#031225

Closest named color: Rich Navy (#001219). oklch(18.1% 0.045 253.2), rgb(3, 18, 37).

Aa

White text reads best on this color (18.79:1).

About this color

#031225 is a very dark, muted blue. In OKLCH its lightness is 18%, its chroma 0.045 and its hue 253°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Navy (#001219), ΔE 0.027 away. White text reads best on it, at 18.79:1.

Hue familyBlues
Lightnessvery dark (18%)
Chromamuted (0.045)
Temperaturecool
Nearest nameRich Navy (#001219)
Black text1.11:1
White text18.79:1

Values

HEX#031225
RGBrgb(3, 18, 37)
HSLhsl(214, 85%, 8%)
OKLCHoklch(18.1% 0.045 253.2)

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 #031225 18.79:1 AAA Lc -107.2 Preferred for body text
Black text on #031225 1.11:1 Fails Lc 0.0 Not readable
#031225 text on white 18.79:1 AAA Lc 105.2 Preferred for body text
#031225 text on black 1.11:1 Fails Lc 0.0 Not readable

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 950.

  1. Step 50

    50

    #F2F6FA

    oklch(97.1% 0.007 247.9)

  2. Step 100

    100

    #E3EBF4

    oklch(93.7% 0.015 251.2)

  3. Step 200

    200

    #CCDBED

    oklch(88.6% 0.03 253)

  4. Step 300

    300

    #A9C3E3

    oklch(80.8% 0.054 253.8)

  5. Step 400

    400

    #7AA4D5

    oklch(70.7% 0.086 252.8)

  6. Step 500

    500

    #578CCA

    oklch(63% 0.11 253.3)

  7. Step 600

    600

    #3C75B7

    oklch(55.5% 0.119 253.6)

  8. Step 700

    700

    #2D629E

    oklch(49% 0.112 253.4)

  9. Step 800

    800

    #275080

    oklch(42.6% 0.093 253.9)

  10. Step 900

    900

    #244367

    oklch(37.7% 0.072 253.4)

  11. Step 950

    950 (this color)

    #031225

    oklch(18.1% 0.045 253.2)

Export this scale for Tailwind in the Tailwind colors tool

#031225 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)#0913260.011
Deuteranopia (no green cones)#0410250.007
Tritanopia (no blue cones)#0016190.033
Achromatopsia (no color)#1212120.045

Harmonies

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

Complementary

The opposite hue (180°).

  • #031225

    #031225

    oklch(18.1% 0.045 253.2)

  • #1C0F00

    #1C0F00

    oklch(18.2% 0.039 74.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #031225

    #031225

    oklch(18.1% 0.045 253.2)

  • #00151D

    #00151D

    oklch(18.2% 0.034 223.7)

  • #0F0E25

    #0F0E25

    oklch(18% 0.046 282.7)

Open the analogous palette in the generator

Split complementary

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

  • #031225

    #031225

    oklch(18.1% 0.045 253.2)

  • #220A02

    #220A02

    oklch(18.2% 0.046 44)

  • #151200

    #151200

    oklch(18% 0.038 102.1)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #031225

    #031225

    oklch(18.1% 0.045 253.2)

  • #22080C

    #22080C

    oklch(18.1% 0.045 13.1)

  • #091602

    #091602

    oklch(18.2% 0.045 134)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #031225

    #031225

    oklch(18.1% 0.045 253.2)

  • #1F0817

    #1F0817

    oklch(18% 0.047 342.8)

  • #1C0F00

    #1C0F00

    oklch(18.2% 0.039 74.2)

  • #00170D

    #00170D

    oklch(18.1% 0.039 163.7)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #031225, closest first.

Similar named colors

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

Use #031225 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.