#45181B

Closest named color: Chocolate Brown (#411900). oklch(28% 0.069 18.7), rgb(69, 24, 27).

Aa

White text reads best on this color (15.00:1).

About this color

#45181B is a dark, muted red. In OKLCH its lightness is 28%, its chroma 0.069 and its hue 19°. Its hue sits on the warm side of the wheel. The nearest named color is Chocolate Brown (#411900), ΔE 0.039 away. White text reads best on it, at 15.00:1.

Hue familyReds
Lightnessdark (28%)
Chromamuted (0.069)
Temperaturewarm
Nearest nameChocolate Brown (#411900)
Black text1.39:1
White text15.00:1

Values

HEX#45181B
RGBrgb(69, 24, 27)
HSLhsl(356, 48%, 18%)
OKLCHoklch(28% 0.069 18.7)

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 #45181B 15.00:1 AAA Lc -104.4 Preferred for body text
Black text on #45181B 1.39:1 Fails Lc 0.0 Not readable
#45181B text on white 15.00:1 AAA Lc 101.5 Preferred for body text
#45181B text on black 1.39:1 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

    #FDF3F2

    oklch(97.2% 0.011 24.3)

  2. Step 100

    100

    #FAE4E4

    oklch(93.7% 0.024 17.6)

  3. Step 200

    200

    #F6CECD

    oklch(88.5% 0.045 19.7)

  4. Step 300

    300

    #F1ACAC

    oklch(81% 0.081 19)

  5. Step 400

    400

    #E77C80

    oklch(70.7% 0.132 18.6)

  6. Step 500

    500

    #DC5660

    oklch(63.1% 0.168 18.9)

  7. Step 600

    600

    #C83447

    oklch(55.6% 0.184 18.7)

  8. Step 700

    700

    #AC2539

    oklch(49.1% 0.17 18.6)

  9. Step 800

    800

    #8C222F

    oklch(42.8% 0.141 19)

  10. Step 900

    900

    #70222A

    oklch(37.6% 0.11 18.3)

  11. Step 950

    950 (this color)

    #45181B

    oklch(28% 0.069 18.7)

Export this scale for Tailwind in the Tailwind colors tool

#45181B 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)#23211B0.074
Deuteranopia (no green cones)#2E2A1A0.069
Tritanopia (no blue cones)#4C11190.019
Achromatopsia (no color)#2727270.070

Harmonies

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

Complementary

The opposite hue (180°).

  • #45181B

    #45181B

    oklch(28% 0.069 18.7)

  • #003032

    #003032

    oklch(28.1% 0.048 199.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #45181B

    #45181B

    oklch(28% 0.069 18.7)

  • #41182E

    #41182E

    oklch(27.9% 0.07 349.2)

  • #431C04

    #431C04

    oklch(27.9% 0.069 48.6)

Open the analogous palette in the generator

Split complementary

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

  • #45181B

    #45181B

    oklch(28% 0.069 18.7)

  • #003124

    #003124

    oklch(27.8% 0.055 169.6)

  • #002E3E

    #002E3E

    oklch(28.1% 0.055 227.5)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #45181B

    #45181B

    oklch(28% 0.069 18.7)

  • #15310C

    #15310C

    oklch(28.1% 0.07 138.9)

  • #12284A

    #12284A

    oklch(27.9% 0.069 258.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #45181B

    #45181B

    oklch(28% 0.069 18.7)

  • #2C2B00

    #2C2B00

    oklch(28.1% 0.061 108.4)

  • #003032

    #003032

    oklch(28.1% 0.048 199.2)

  • #282248

    #282248

    oklch(28% 0.068 288.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #45181B, closest first.

Similar named colors

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

Use #45181B 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.