#618AEA

Closest named color: Soft Blue (#6488EA). oklch(64.8% 0.151 265.1), rgb(97, 138, 234).

Aa

Black text reads best on this color (6.33:1).

About this color

#618AEA is a medium-light, vivid blue. In OKLCH its lightness is 65%, its chroma 0.151 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Soft Blue (#6488EA), ΔE 0.006 away. Black text reads best on it, at 6.33:1.

Hue familyBlues
Lightnessmedium-light (65%)
Chromavivid (0.151)
Temperaturecool
Nearest nameSoft Blue (#6488EA)
Black text6.33:1
White text3.31:1

Values

HEX#618AEA
RGBrgb(97, 138, 234)
HSLhsl(222, 77%, 65%)
OKLCHoklch(64.8% 0.151 265.1)

Contrast

WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.

PairWCAG 2ResultAPCAAPCA guidance
White text on #618AEA 3.31:1 AA large text Lc -65.8 Content text, not long reading
Black text on #618AEA 6.33:1 AA Lc 43.7 Non-text elements, placeholder text
#618AEA text on white 3.31:1 AA large text Lc 60.3 Content text, not long reading
#618AEA text on black 6.33:1 AA Lc -41.4 Non-text elements, placeholder text

Tints and shades

A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 500.

  1. Step 50

    50

    #F2F5FC

    oklch(97% 0.01 267.4)

  2. Step 100

    100

    #E3EAF9

    oklch(93.6% 0.022 265.8)

  3. Step 200

    200

    #CCD9F5

    oklch(88.4% 0.041 265.7)

  4. Step 300

    300

    #A9C0F1

    oklch(80.8% 0.074 265.1)

  5. Step 400

    400

    #7C9FEA

    oklch(70.7% 0.117 264.5)

  6. Step 500

    500 (this color)

    #618AEA

    oklch(64.8% 0.151 265.1)

  7. Step 600

    600

    #436CD2

    oklch(55.6% 0.164 265)

  8. Step 700

    700

    #355AB6

    oklch(49.2% 0.152 264.9)

  9. Step 800

    800

    #2C4A93

    oklch(42.8% 0.125 264.8)

  10. Step 900

    900

    #273E75

    oklch(37.6% 0.098 265)

  11. Step 950

    950

    #172545

    oklch(27% 0.063 264.7)

Export this scale for Tailwind in the Tailwind colors tool

#618AEA with color blindness

Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.

VisionSeen asShift (ΔE)
Protanopia (no red cones)#6094EE0.026
Deuteranopia (no green cones)#4D87E80.023
Tritanopia (no blue cones)#009FAF0.131
Achromatopsia (no color)#8D8D8D0.151

Harmonies

Hue rotations in OKLCH that keep this color's lightness and chroma.

Complementary

The opposite hue (180°).

  • #618AEA

    #618AEA

    oklch(64.8% 0.151 265.1)

  • #B38700

    #B38700

    oklch(64.8% 0.133 85.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #618AEA

    #618AEA

    oklch(64.8% 0.151 265.1)

  • #009AD6

    #009AD6

    oklch(64.8% 0.138 235.2)

  • #9679E0

    #9679E0

    oklch(64.8% 0.151 294.8)

Open the analogous palette in the generator

Split complementary

The two hues beside the complement (150° and 210°).

  • #618AEA

    #618AEA

    oklch(64.8% 0.151 265.1)

  • #D3711C

    #D3711C

    oklch(64.9% 0.151 54.7)

  • #8D9800

    #8D9800

    oklch(64.8% 0.147 114.8)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #618AEA

    #618AEA

    oklch(64.8% 0.151 265.1)

  • #DB645E

    #DB645E

    oklch(64.8% 0.151 25.1)

  • #49A651

    #49A651

    oklch(64.9% 0.151 145.2)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #618AEA

    #618AEA

    oklch(64.8% 0.151 265.1)

  • #D36393

    #D36393

    oklch(64.9% 0.15 355.2)

  • #B38700

    #B38700

    oklch(64.8% 0.133 85.4)

  • #00A68A

    #00A68A

    oklch(64.7% 0.122 174.9)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #618AEA, closest first.

Similar named colors

The eight closest entries in our named color list, with their ΔE distance.

Use #618AEA in your product

Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.