#991D2D

Closest named color: Auburn (#9B2226). oklch(44.8% 0.158 20.2), rgb(153, 29, 45).

Aa

White text reads best on this color (8.17:1).

About this color

#991D2D is a dark, vivid red. In OKLCH its lightness is 45%, its chroma 0.158 and its hue 20°. Its hue sits on the warm side of the wheel. The nearest named color is Auburn (#9B2226), ΔE 0.014 away. White text reads best on it, at 8.17:1.

Hue familyReds
Lightnessdark (45%)
Chromavivid (0.158)
Temperaturewarm
Nearest nameAuburn (#9B2226)
Black text2.56:1
White text8.17:1

Values

HEX#991D2D
RGBrgb(153, 29, 45)
HSLhsl(352, 68%, 36%)
OKLCHoklch(44.8% 0.158 20.2)

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 #991D2D 8.17:1 AAA Lc -91.5 Preferred for body text
Black text on #991D2D 2.56:1 Fails Lc 17.2 Dividers and decoration only
#991D2D text on white 8.17:1 AAA Lc 86.8 Fine for body text
#991D2D text on black 2.56:1 Fails Lc -15.3 Dividers and decoration only

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

    #FEF2F2

    oklch(97.1% 0.013 17.4)

  2. Step 100

    100

    #FBE3E2

    oklch(93.5% 0.026 20.5)

  3. Step 200

    200

    #FACCCB

    oklch(88.5% 0.052 19.6)

  4. Step 300

    300

    #F7A9A8

    oklch(81% 0.092 20.1)

  5. Step 400

    400

    #EE7779

    oklch(70.7% 0.147 20.5)

  6. Step 500

    500

    #E54C57

    oklch(63.1% 0.189 20.4)

  7. Step 600

    600

    #D0223D

    oklch(55.6% 0.205 20.1)

  8. Step 700

    700

    #B40E2F

    oklch(49.2% 0.191 20.2)

  9. Step 800

    800 (this color)

    #991D2D

    oklch(44.8% 0.158 20.2)

  10. Step 900

    900

    #751B24

    oklch(37.6% 0.123 20.3)

  11. Step 950

    950

    #451216

    oklch(27% 0.078 19.6)

Export this scale for Tailwind in the Tailwind colors tool

#991D2D 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)#433E2D0.174
Deuteranopia (no green cones)#6258290.158
Tritanopia (no blue cones)#A900240.033
Achromatopsia (no color)#4F4F4F0.159

Harmonies

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

Complementary

The opposite hue (180°).

  • #991D2D

    #991D2D

    oklch(44.8% 0.158 20.2)

  • #006165

    #006165

    oklch(44.8% 0.076 199.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #991D2D

    #991D2D

    oklch(44.8% 0.158 20.2)

  • #8F2060

    #8F2060

    oklch(44.7% 0.158 350.3)

  • #863C00

    #863C00

    oklch(44.7% 0.118 50)

Open the analogous palette in the generator

Split complementary

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

  • #991D2D

    #991D2D

    oklch(44.8% 0.158 20.2)

  • #00644D

    #00644D

    oklch(44.8% 0.089 170)

  • #005D7D

    #005D7D

    oklch(44.8% 0.09 230.5)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #991D2D

    #991D2D

    oklch(44.8% 0.158 20.2)

  • #1A6600

    #1A6600

    oklch(44.7% 0.144 140.2)

  • #174EAA

    #174EAA

    oklch(44.6% 0.159 260.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #991D2D

    #991D2D

    oklch(44.8% 0.158 20.2)

  • #585900

    #585900

    oklch(44.8% 0.098 110.5)

  • #006165

    #006165

    oklch(44.8% 0.076 199.7)

  • #573DA4

    #573DA4

    oklch(44.7% 0.158 290.1)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #991D2D, closest first.

Similar named colors

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

Use #991D2D 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.