#06131F

Closest named color: Rich Navy (#001219). oklch(18.1% 0.031 247.1), rgb(6, 19, 31).

Aa

White text reads best on this color (18.73:1).

About this color

#06131F is a very dark, muted blue. In OKLCH its lightness is 18%, its chroma 0.031 and its hue 247°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Navy (#001219), ΔE 0.018 away. White text reads best on it, at 18.73:1.

Hue familyBlues
Lightnessvery dark (18%)
Chromamuted (0.031)
Temperaturecool
Nearest nameRich Navy (#001219)
Black text1.12:1
White text18.73:1

Values

HEX#06131F
RGBrgb(6, 19, 31)
HSLhsl(209, 68%, 7%)
OKLCHoklch(18.1% 0.031 247.1)

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 #06131F 18.73:1 AAA Lc -107.3 Preferred for body text
Black text on #06131F 1.12:1 Fails Lc 0.0 Not readable
#06131F text on white 18.73:1 AAA Lc 105.2 Preferred for body text
#06131F 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

    #F3F6F9

    oklch(97.2% 0.005 247.9)

  2. Step 100

    100

    #E4EBF1

    oklch(93.6% 0.011 243.7)

  3. Step 200

    200

    #CFDBE6

    oklch(88.6% 0.02 245.7)

  4. Step 300

    300

    #AEC3D8

    oklch(80.8% 0.038 248.3)

  5. Step 400

    400

    #83A5C4

    oklch(70.8% 0.059 246.3)

  6. Step 500

    500

    #638EB5

    oklch(63.1% 0.076 246.7)

  7. Step 600

    600

    #4A78A1

    oklch(55.7% 0.082 246.8)

  8. Step 700

    700

    #3B648A

    oklch(49% 0.077 247.9)

  9. Step 800

    800

    #315270

    oklch(42.7% 0.063 247.3)

  10. Step 900

    900

    #2B445B

    oklch(37.7% 0.05 247.3)

  11. Step 950

    950 (this color)

    #06131F

    oklch(18.1% 0.031 247.1)

Export this scale for Tailwind in the Tailwind colors tool

#06131F 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)#0E13200.013
Deuteranopia (no green cones)#0A111F0.009
Tritanopia (no blue cones)#0016170.026
Achromatopsia (no color)#1212120.031

Harmonies

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

Complementary

The opposite hue (180°).

  • #06131F

    #06131F

    oklch(18.1% 0.031 247.1)

  • #1B0F03

    #1B0F03

    oklch(18.1% 0.032 68.3)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #06131F

    #06131F

    oklch(18.1% 0.031 247.1)

  • #01151B

    #01151B

    oklch(18.1% 0.031 218.5)

  • #0E1020

    #0E1020

    oklch(18% 0.033 277.1)

Open the analogous palette in the generator

Split complementary

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

  • #06131F

    #06131F

    oklch(18.1% 0.031 247.1)

  • #1E0D08

    #1E0D08

    oklch(18.3% 0.031 37.6)

  • #161202

    #161202

    oklch(18.2% 0.033 97.5)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #06131F

    #06131F

    oklch(18.1% 0.031 247.1)

  • #1E0C0F

    #1E0C0F

    oklch(18.3% 0.031 10)

  • #0E1405

    #0E1405

    oklch(18% 0.031 126.3)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #06131F

    #06131F

    oklch(18.1% 0.031 247.1)

  • #1B0C17

    #1B0C17

    oklch(18.1% 0.032 337.4)

  • #1B0F03

    #1B0F03

    oklch(18.1% 0.032 68.3)

  • #05160C

    #05160C

    oklch(18.1% 0.032 156.8)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #06131F, closest first.

Similar named colors

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

Use #06131F 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.