#2A59C7

Closest named color: Warm Blue (#4B57DB). oklch(49.9% 0.179 263.7), rgb(42, 89, 199).

Aa

White text reads best on this color (6.26:1).

About this color

#2A59C7 is a medium-dark, vivid blue. In OKLCH its lightness is 50%, its chroma 0.179 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Warm Blue (#4B57DB), ΔE 0.047 away. White text reads best on it, at 6.26:1.

Hue familyBlues
Lightnessmedium-dark (50%)
Chromavivid (0.179)
Temperaturecool
Nearest nameWarm Blue (#4B57DB)
Black text3.35:1
White text6.26:1

Values

HEX#2A59C7
RGBrgb(42, 89, 199)
HSLhsl(222, 65%, 47%)
OKLCHoklch(49.9% 0.179 263.7)

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 #2A59C7 6.26:1 AA Lc -85.8 Fine for body text
Black text on #2A59C7 3.35:1 AA large text Lc 23.4 Dividers and decoration only
#2A59C7 text on white 6.26:1 AA Lc 80.7 Fine for body text
#2A59C7 text on black 3.35:1 AA large text Lc -21.2 Dividers and decoration only

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 700.

  1. Step 50

    50

    #F1F6FE

    oklch(97.2% 0.012 259.8)

  2. Step 100

    100

    #E1EAFB

    oklch(93.5% 0.025 263.3)

  3. Step 200

    200

    #C9DAFA

    oklch(88.6% 0.048 263.1)

  4. Step 300

    300

    #A4C1FA

    oklch(81% 0.087 263.6)

  5. Step 400

    400

    #739EF7

    oklch(70.7% 0.139 263.7)

  6. Step 500

    500

    #5083F3

    oklch(63.1% 0.177 263.7)

  7. Step 600

    600

    #3569E2

    oklch(55.6% 0.193 263.7)

  8. Step 700

    700 (this color)

    #2A59C7

    oklch(49.9% 0.179 263.7)

  9. Step 800

    800

    #22489F

    oklch(42.8% 0.148 263.6)

  10. Step 900

    900

    #203D7E

    oklch(37.7% 0.116 263.7)

  11. Step 950

    950

    #13244A

    oklch(26.9% 0.074 264)

Export this scale for Tailwind in the Tailwind colors tool

#2A59C7 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)#0068CB0.038
Deuteranopia (no green cones)#0059C50.020
Tritanopia (no blue cones)#0074870.140
Achromatopsia (no color)#6060600.180

Harmonies

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

Complementary

The opposite hue (180°).

  • #2A59C7

    #2A59C7

    oklch(49.9% 0.179 263.7)

  • #7E5D00

    #7E5D00

    oklch(49.9% 0.102 84.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #2A59C7

    #2A59C7

    oklch(49.9% 0.179 263.7)

  • #006B94

    #006B94

    oklch(49.7% 0.104 233.8)

  • #6B45BD

    #6B45BD

    oklch(49.9% 0.179 293.4)

Open the analogous palette in the generator

Split complementary

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

  • #2A59C7

    #2A59C7

    oklch(49.9% 0.179 263.7)

  • #984B00

    #984B00

    oklch(50% 0.125 53.9)

  • #636900

    #636900

    oklch(49.9% 0.112 113.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #2A59C7

    #2A59C7

    oklch(49.9% 0.179 263.7)

  • #B2222C

    #B2222C

    oklch(49.8% 0.179 23.6)

  • #007912

    #007912

    oklch(50% 0.164 143.7)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #2A59C7

    #2A59C7

    oklch(49.9% 0.179 263.7)

  • #A9236A

    #A9236A

    oklch(49.8% 0.179 353.8)

  • #7E5D00

    #7E5D00

    oklch(49.9% 0.102 84.4)

  • #00745E

    #00745E

    oklch(49.8% 0.095 173.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #2A59C7, closest first.

Similar named colors

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

Use #2A59C7 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.