#041A2B

Closest named color: Rich Black (#0D1B2A). oklch(21% 0.044 244.3), rgb(4, 26, 43).

Aa

White text reads best on this color (17.67:1).

About this color

#041A2B is a very dark, muted blue. In OKLCH its lightness is 21%, its chroma 0.044 and its hue 244°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.013 away. White text reads best on it, at 17.67:1.

Hue familyBlues
Lightnessvery dark (21%)
Chromamuted (0.044)
Temperaturecool
Nearest nameRich Black (#0D1B2A)
Black text1.18:1
White text17.67:1

Values

HEX#041A2B
RGBrgb(4, 26, 43)
HSLhsl(206, 83%, 9%)
OKLCHoklch(21% 0.044 244.3)

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 #041A2B 17.67:1 AAA Lc -106.6 Preferred for body text
Black text on #041A2B 1.18:1 Fails Lc 0.0 Not readable
#041A2B text on white 17.67:1 AAA Lc 104.3 Preferred for body text
#041A2B text on black 1.18:1 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

    #E2EBF3

    oklch(93.6% 0.015 244.7)

  3. Step 200

    200

    #CADCEB

    oklch(88.6% 0.028 243.1)

  4. Step 300

    300

    #A5C5E1

    oklch(80.9% 0.053 244.9)

  5. Step 400

    400

    #73A7D1

    oklch(70.8% 0.083 243.7)

  6. Step 500

    500

    #4B90C6

    oklch(63.2% 0.108 244.3)

  7. Step 600

    600

    #2A79B2

    oklch(55.6% 0.116 244.3)

  8. Step 700

    700

    #1C6699

    oklch(49.2% 0.108 244)

  9. Step 800

    800

    #1A537C

    oklch(42.6% 0.089 244.3)

  10. Step 900

    900

    #1D4564

    oklch(37.7% 0.07 244.6)

  11. Step 950

    950 (this color)

    #041A2B

    oklch(21% 0.044 244.3)

Export this scale for Tailwind in the Tailwind colors tool

#041A2B 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)#121B2C0.020
Deuteranopia (no green cones)#0C172B0.014
Tritanopia (no blue cones)#001E200.031
Achromatopsia (no color)#1818180.044

Harmonies

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

Complementary

The opposite hue (180°).

  • #041A2B

    #041A2B

    oklch(21% 0.044 244.3)

  • #261301

    #261301

    oklch(20.9% 0.045 64.5)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #041A2B

    #041A2B

    oklch(21% 0.044 244.3)

  • #001C23

    #001C23

    oklch(20.9% 0.037 216.8)

  • #12162C

    #12162C

    oklch(20.9% 0.044 274.2)

Open the analogous palette in the generator

Split complementary

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

  • #041A2B

    #041A2B

    oklch(21% 0.044 244.3)

  • #29100A

    #29100A

    oklch(21% 0.044 34.6)

  • #1F1800

    #1F1800

    oklch(21.1% 0.043 94.5)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #041A2B

    #041A2B

    oklch(21% 0.044 244.3)

  • #290F16

    #290F16

    oklch(21.1% 0.044 4.6)

  • #141C04

    #141C04

    oklch(21.2% 0.044 124.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #041A2B

    #041A2B

    oklch(21% 0.044 244.3)

  • #241020

    #241020

    oklch(21% 0.043 334.8)

  • #261301

    #261301

    oklch(20.9% 0.045 64.5)

  • #051E0F

    #051E0F

    oklch(21% 0.043 154.5)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #041A2B, closest first.

Similar named colors

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

Use #041A2B 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.