#2858C7

Closest named color: Warm Blue (#4B57DB). oklch(49.6% 0.181 263.5), rgb(40, 88, 199).

Aa

White text reads best on this color (6.34:1).

About this color

#2858C7 is a medium-dark, vivid blue. In OKLCH its lightness is 50%, its chroma 0.181 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Warm Blue (#4B57DB), ΔE 0.049 away. White text reads best on it, at 6.34:1.

Hue familyBlues
Lightnessmedium-dark (50%)
Chromavivid (0.181)
Temperaturecool
Nearest nameWarm Blue (#4B57DB)
Black text3.31:1
White text6.34:1

Values

HEX#2858C7
RGBrgb(40, 88, 199)
HSLhsl(222, 67%, 47%)
OKLCHoklch(49.6% 0.181 263.5)

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 #2858C7 6.34:1 AA Lc -86.1 Fine for body text
Black text on #2858C7 3.31:1 AA large text Lc 23.1 Dividers and decoration only
#2858C7 text on white 6.34:1 AA Lc 81.0 Fine for body text
#2858C7 text on black 3.31:1 AA large text Lc -20.9 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

    #A3C1FA

    oklch(80.9% 0.087 263)

  5. Step 400

    400

    #729EF8

    oklch(70.7% 0.141 263.5)

  6. Step 500

    500

    #4E83F4

    oklch(63.1% 0.179 263.3)

  7. Step 600

    600

    #3469E3

    oklch(55.6% 0.194 263.6)

  8. Step 700

    700 (this color)

    #2858C7

    oklch(49.6% 0.181 263.5)

  9. Step 800

    800

    #2147A0

    oklch(42.6% 0.151 263.7)

  10. Step 900

    900

    #1F3D7F

    oklch(37.7% 0.118 263.4)

  11. Step 950

    950

    #13244A

    oklch(26.9% 0.074 264)

Export this scale for Tailwind in the Tailwind colors tool

#2858C7 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)#0067CB0.038
Deuteranopia (no green cones)#0058C50.019
Tritanopia (no blue cones)#0074870.141
Achromatopsia (no color)#5F5F5F0.181

Harmonies

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

Complementary

The opposite hue (180°).

  • #2858C7

    #2858C7

    oklch(49.6% 0.181 263.5)

  • #7E5C00

    #7E5C00

    oklch(49.7% 0.102 83.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #2858C7

    #2858C7

    oklch(49.6% 0.181 263.5)

  • #006B93

    #006B93

    oklch(49.7% 0.103 233.2)

  • #6B43BD

    #6B43BD

    oklch(49.6% 0.182 293.8)

Open the analogous palette in the generator

Split complementary

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

  • #2858C7

    #2858C7

    oklch(49.6% 0.181 263.5)

  • #974A00

    #974A00

    oklch(49.7% 0.125 53.6)

  • #626800

    #626800

    oklch(49.5% 0.111 113.7)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #2858C7

    #2858C7

    oklch(49.6% 0.181 263.5)

  • #B21F2B

    #B21F2B

    oklch(49.6% 0.181 23.5)

  • #007810

    #007810

    oklch(49.7% 0.164 143.5)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #2858C7

    #2858C7

    oklch(49.6% 0.181 263.5)

  • #A9216A

    #A9216A

    oklch(49.7% 0.181 353.6)

  • #7E5C00

    #7E5C00

    oklch(49.7% 0.102 83.4)

  • #00735D

    #00735D

    oklch(49.5% 0.095 173.3)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #2858C7, closest first.

Similar named colors

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

Use #2858C7 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.