#97180A

Closest named color: Deep Red (#9A0200). oklch(43.6% 0.163 30.5), rgb(151, 24, 10).

Aa

White text reads best on this color (8.56:1).

About this color

#97180A is a dark, vivid red. In OKLCH its lightness is 44%, its chroma 0.163 and its hue 30°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Red (#9A0200), ΔE 0.014 away. White text reads best on it, at 8.56:1.

Hue familyReds
Lightnessdark (44%)
Chromavivid (0.163)
Temperaturewarm
Nearest nameDeep Red (#9A0200)
Black text2.45:1
White text8.56:1

Values

HEX#97180A
RGBrgb(151, 24, 10)
HSLhsl(6, 88%, 32%)
OKLCHoklch(43.6% 0.163 30.5)

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 #97180A 8.56:1 AAA Lc -92.4 Preferred for body text
Black text on #97180A 2.45:1 Fails Lc 16.3 Dividers and decoration only
#97180A text on white 8.56:1 AAA Lc 87.7 Fine for body text
#97180A text on black 2.45:1 Fails Lc -14.4 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

    #FEF3F0

    oklch(97.2% 0.013 35.7)

  2. Step 100

    100

    #FCE4DF

    oklch(93.7% 0.027 31.7)

  3. Step 200

    200

    #FACDC4

    oklch(88.5% 0.053 31.3)

  4. Step 300

    300

    #F8AA9C

    oklch(81% 0.095 30.5)

  5. Step 400

    400

    #F07865

    oklch(70.7% 0.152 30.5)

  6. Step 500

    500

    #E74C38

    oklch(63% 0.195 30.5)

  7. Step 600

    600

    #D3210D

    oklch(55.6% 0.212 30.5)

  8. Step 700

    700

    #B51100

    oklch(49.1% 0.194 30.5)

  9. Step 800

    800 (this color)

    #97180A

    oklch(43.6% 0.163 30.5)

  10. Step 900

    900

    #771C11

    oklch(37.8% 0.127 30.6)

  11. Step 950

    950

    #46120C

    oklch(27% 0.081 29.8)

Export this scale for Tailwind in the Tailwind colors tool

#97180A 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)#433A050.176
Deuteranopia (no green cones)#6256000.158
Tritanopia (no blue cones)#A700170.036
Achromatopsia (no color)#4C4C4C0.164

Harmonies

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

Complementary

The opposite hue (180°).

  • #97180A

    #97180A

    oklch(43.6% 0.163 30.5)

  • #005C69

    #005C69

    oklch(43.5% 0.076 211.3)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #97180A

    #97180A

    oklch(43.6% 0.163 30.5)

  • #92144D

    #92144D

    oklch(43.6% 0.163 0.5)

  • #794200

    #794200

    oklch(43.7% 0.102 60.8)

Open the analogous palette in the generator

Split complementary

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

  • #97180A

    #97180A

    oklch(43.6% 0.163 30.5)

  • #005F54

    #005F54

    oklch(43.5% 0.078 181.4)

  • #005783

    #005783

    oklch(43.6% 0.101 240.5)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #97180A

    #97180A

    oklch(43.6% 0.163 30.5)

  • #00632C

    #00632C

    oklch(43.7% 0.119 150.6)

  • #3244AA

    #3244AA

    oklch(43.7% 0.164 270.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #97180A

    #97180A

    oklch(43.6% 0.163 30.5)

  • #4A5900

    #4A5900

    oklch(43.6% 0.104 120.3)

  • #005C69

    #005C69

    oklch(43.5% 0.076 211.3)

  • #62329B

    #62329B

    oklch(43.6% 0.163 300.7)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #97180A, closest first.

Similar named colors

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

Use #97180A 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.