#8F180F

Closest named color: Brick Red (#8F1402). oklch(42.1% 0.155 29.6), rgb(143, 24, 15).

Aa

White text reads best on this color (9.10:1).

About this color

#8F180F is a dark, vivid red. In OKLCH its lightness is 42%, its chroma 0.155 and its hue 30°. Its hue sits on the warm side of the wheel. The nearest named color is Brick Red (#8F1402), ΔE 0.007 away. White text reads best on it, at 9.10:1.

Hue familyReds
Lightnessdark (42%)
Chromavivid (0.155)
Temperaturewarm
Nearest nameBrick Red (#8F1402)
Black text2.30:1
White text9.10:1

Values

HEX#8F180F
RGBrgb(143, 24, 15)
HSLhsl(4, 81%, 31%)
OKLCHoklch(42.1% 0.155 29.6)

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 #8F180F 9.10:1 AAA Lc -93.9 Preferred for body text
Black text on #8F180F 2.30:1 Fails Lc 14.6 Not readable
#8F180F text on white 9.10:1 AAA Lc 89.3 Fine for body text
#8F180F text on black 2.30:1 Fails Lc -12.9 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 800.

  1. Step 50

    50

    #FEF3F1

    oklch(97.2% 0.012 29.9)

  2. Step 100

    100

    #FBE4E0

    oklch(93.6% 0.026 29.4)

  3. Step 200

    200

    #F9CDC6

    oklch(88.4% 0.051 28.7)

  4. Step 300

    300

    #F6AB9E

    oklch(81% 0.091 30.1)

  5. Step 400

    400

    #ED7A6A

    oklch(70.7% 0.145 29.4)

  6. Step 500

    500

    #E45140

    oklch(63.2% 0.186 29.7)

  7. Step 600

    600

    #CF2B1E

    oklch(55.6% 0.201 29.6)

  8. Step 700

    700

    #B31A0F

    oklch(49.2% 0.187 29.7)

  9. Step 800

    800 (this color)

    #8F180F

    oklch(42.1% 0.155 29.6)

  10. Step 900

    900

    #741F16

    oklch(37.6% 0.12 29.8)

  11. Step 950

    950

    #45140E

    oklch(27.1% 0.077 29.9)

Export this scale for Tailwind in the Tailwind colors tool

#8F180F 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)#3F380C0.168
Deuteranopia (no green cones)#5C51060.151
Tritanopia (no blue cones)#9E00180.034
Achromatopsia (no color)#4848480.156

Harmonies

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

Complementary

The opposite hue (180°).

  • #8F180F

    #8F180F

    oklch(42.1% 0.155 29.6)

  • #005863

    #005863

    oklch(42.2% 0.073 209.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #8F180F

    #8F180F

    oklch(42.1% 0.155 29.6)

  • #8A154A

    #8A154A

    oklch(42.1% 0.155 359.9)

  • #743E00

    #743E00

    oklch(42.2% 0.099 59.8)

Open the analogous palette in the generator

Split complementary

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

  • #8F180F

    #8F180F

    oklch(42.1% 0.155 29.6)

  • #005B4F

    #005B4F

    oklch(42.2% 0.077 179.8)

  • #00537C

    #00537C

    oklch(42.1% 0.096 239.7)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #8F180F

    #8F180F

    oklch(42.1% 0.155 29.6)

  • #005E27

    #005E27

    oklch(42.1% 0.117 149.7)

  • #2E41A0

    #2E41A0

    oklch(42% 0.155 269.8)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #8F180F

    #8F180F

    oklch(42.1% 0.155 29.6)

  • #475400

    #475400

    oklch(42% 0.099 119.5)

  • #005863

    #005863

    oklch(42.2% 0.073 209.4)

  • #5C3194

    #5C3194

    oklch(42.2% 0.155 299.6)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #8F180F, closest first.

Similar named colors

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

Use #8F180F 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.