#991700

Closest named color: Deep Red (#9A0200). oklch(43.9% 0.167 32), rgb(153, 23, 0).

Aa

White text reads best on this color (8.47:1).

About this color

#991700 is a dark, vivid red. In OKLCH its lightness is 44%, its chroma 0.167 and its hue 32°. 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 8.47:1.

Hue familyReds
Lightnessdark (44%)
Chromavivid (0.167)
Temperaturewarm
Nearest nameDeep Red (#9A0200)
Black text2.47:1
White text8.47:1

Values

HEX#991700
RGBrgb(153, 23, 0)
HSLhsl(9, 100%, 30%)
OKLCHoklch(43.9% 0.167 32)

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 #991700 8.47:1 AAA Lc -92.1 Preferred for body text
Black text on #991700 2.47:1 Fails Lc 16.6 Dividers and decoration only
#991700 text on white 8.47:1 AAA Lc 87.4 Fine for body text
#991700 text on black 2.47:1 Fails Lc -14.7 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

    #FEF2F0

    oklch(97% 0.013 28.9)

  2. Step 100

    100

    #FCE4DE

    oklch(93.7% 0.028 34.3)

  3. Step 200

    200

    #FBCDC3

    oklch(88.5% 0.054 32.4)

  4. Step 300

    300

    #F9A999

    oklch(80.8% 0.098 31.8)

  5. Step 400

    400

    #F27760

    oklch(70.8% 0.156 32.1)

  6. Step 500

    500

    #E94B31

    oklch(63.2% 0.199 32)

  7. Step 600

    600

    #D22400

    oklch(55.6% 0.21 32)

  8. Step 700

    700

    #B21D00

    oklch(49.1% 0.186 32)

  9. Step 800

    800 (this color)

    #991700

    oklch(43.9% 0.167 32)

  10. Step 900

    900

    #771B0B

    oklch(37.7% 0.129 32.2)

  11. Step 950

    950

    #461209

    oklch(26.9% 0.082 32.2)

Export this scale for Tailwind in the Tailwind colors tool

#991700 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)#443B000.178
Deuteranopia (no green cones)#6357000.159
Tritanopia (no blue cones)#A900150.037
Achromatopsia (no color)#4D4D4D0.168

Harmonies

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

Complementary

The opposite hue (180°).

  • #991700

    #991700

    oklch(43.9% 0.167 32)

  • #005D6B

    #005D6B

    oklch(43.9% 0.077 212.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #991700

    #991700

    oklch(43.9% 0.167 32)

  • #95114B

    #95114B

    oklch(44% 0.167 2.1)

  • #794300

    #794300

    oklch(43.9% 0.101 61.8)

Open the analogous palette in the generator

Split complementary

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

  • #991700

    #991700

    oklch(43.9% 0.167 32)

  • #006055

    #006055

    oklch(43.9% 0.079 181.5)

  • #005786

    #005786

    oklch(43.8% 0.104 242.2)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #991700

    #991700

    oklch(43.9% 0.167 32)

  • #006330

    #006330

    oklch(43.8% 0.115 152.1)

  • #3643AC

    #3643AC

    oklch(43.9% 0.167 272.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #991700

    #991700

    oklch(43.9% 0.167 32)

  • #495B00

    #495B00

    oklch(44% 0.107 122)

  • #005D6B

    #005D6B

    oklch(43.9% 0.077 212.4)

  • #65319D

    #65319D

    oklch(43.9% 0.167 301.9)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #991700, closest first.

Similar named colors

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

Use #991700 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.