#02132A

Closest named color: Rich Black (#0D1B2A). oklch(18.7% 0.053 254.5), rgb(2, 19, 42).

Aa

White text reads best on this color (18.59:1).

About this color

#02132A is a very dark, muted blue. In OKLCH its lightness is 19%, its chroma 0.053 and its hue 254°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.036 away. White text reads best on it, at 18.59:1.

Hue familyBlues
Lightnessvery dark (19%)
Chromamuted (0.053)
Temperaturecool
Nearest nameRich Black (#0D1B2A)
Black text1.12:1
White text18.59:1

Values

HEX#02132A
RGBrgb(2, 19, 42)
HSLhsl(215, 91%, 9%)
OKLCHoklch(18.7% 0.053 254.5)

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 #02132A 18.59:1 AAA Lc -107.1 Preferred for body text
Black text on #02132A 1.12:1 Fails Lc 0.0 Not readable
#02132A text on white 18.59:1 AAA Lc 105.0 Preferred for body text
#02132A text on black 1.12:1 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

    #F2F6FB

    oklch(97.2% 0.008 253.9)

  2. Step 100

    100

    #E2EBF6

    oklch(93.7% 0.018 253.3)

  3. Step 200

    200

    #CADBF0

    oklch(88.5% 0.034 253.7)

  4. Step 300

    300

    #A5C3E9

    oklch(80.8% 0.063 254.5)

  5. Step 400

    400

    #74A4DF

    oklch(70.8% 0.101 254.1)

  6. Step 500

    500

    #4F8BD5

    oklch(63% 0.129 254.7)

  7. Step 600

    600

    #3174C3

    oklch(55.6% 0.14 254.6)

  8. Step 700

    700

    #2361A8

    oklch(49.1% 0.13 254.4)

  9. Step 800

    800

    #1F4F88

    oklch(42.6% 0.108 254.7)

  10. Step 900

    900

    #1F426D

    oklch(37.6% 0.085 254.8)

  11. Step 950

    950 (this color)

    #02132A

    oklch(18.7% 0.053 254.5)

Export this scale for Tailwind in the Tailwind colors tool

#02132A 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)#07152B0.012
Deuteranopia (no green cones)#02112A0.007
Tritanopia (no blue cones)#00191C0.041
Achromatopsia (no color)#1313130.053

Harmonies

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

Complementary

The opposite hue (180°).

  • #02132A

    #02132A

    oklch(18.7% 0.053 254.5)

  • #1D1000

    #1D1000

    oklch(18.7% 0.039 75.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #02132A

    #02132A

    oklch(18.7% 0.053 254.5)

  • #00161F

    #00161F

    oklch(18.6% 0.036 225.9)

  • #110E2A

    #110E2A

    oklch(18.6% 0.055 284.6)

Open the analogous palette in the generator

Split complementary

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

  • #02132A

    #02132A

    oklch(18.7% 0.053 254.5)

  • #250900

    #250900

    oklch(18.6% 0.053 45.2)

  • #161400

    #161400

    oklch(18.8% 0.04 105)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #02132A

    #02132A

    oklch(18.7% 0.053 254.5)

  • #26070B

    #26070B

    oklch(18.7% 0.053 15.7)

  • #081800

    #081800

    oklch(18.7% 0.054 134.3)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #02132A

    #02132A

    oklch(18.7% 0.053 254.5)

  • #230819

    #230819

    oklch(18.9% 0.053 344.5)

  • #1D1000

    #1D1000

    oklch(18.7% 0.039 75.2)

  • #00180E

    #00180E

    oklch(18.5% 0.039 164.3)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #02132A, closest first.

Similar named colors

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

Use #02132A 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.