#991A1A
Closest named color: Auburn (#9B2226). oklch(44.3% 0.162 27), rgb(153, 26, 26).
Aa
White text reads best on this color (8.34:1).
About this color
#991A1A is a dark, vivid red. In OKLCH its lightness is 44%, its chroma 0.162 and its hue 27°. 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 8.34:1.
| Hue family | Reds |
| Lightness | dark (44%) |
| Chroma | vivid (0.162) |
| Temperature | warm |
| Nearest name | Auburn (#9B2226) |
| Black text | 2.51:1 |
| White text | 8.34:1 |
Values
| HEX | #991A1A |
| RGB | rgb(153, 26, 26) |
| HSL | hsl(0, 71%, 35%) |
| OKLCH | oklch(44.3% 0.162 27) |
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.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #991A1A | 8.34:1 | AAA | Lc -91.9 | Preferred for body text |
| Black text on #991A1A | 2.51:1 | Fails | Lc 16.9 | Dividers and decoration only |
| #991A1A text on white | 8.34:1 | AAA | Lc 87.2 | Fine for body text |
| #991A1A text on black | 2.51:1 | Fails | Lc -15.0 | 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 800.
-
Step 50
50
#FEF2F1
oklch(97% 0.013 23.2)
-
Step 100
100
#FCE3E0
oklch(93.5% 0.028 25.9)
-
Step 200
200
#FACDC7
oklch(88.6% 0.052 27)
-
Step 300
300
#F8A9A0
oklch(80.9% 0.095 26.5)
-
Step 400
400
#F0776C
oklch(70.7% 0.151 26.9)
-
Step 500
500
#E74B43
oklch(63% 0.194 27.1)
-
Step 600
600
#D32023
oklch(55.7% 0.211 27)
-
Step 700
700
#B60A15
oklch(49.1% 0.196 27.1)
-
Step 800
800 (this color)
#991A1A
oklch(44.3% 0.162 27)
-
Step 900
900
#771B18
oklch(37.8% 0.127 27.2)
-
Step 950
950
#46120F
oklch(27% 0.08 27.1)
#991A1A 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.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #443C18 | 0.175 |
| Deuteranopia (no green cones) | #635813 | 0.160 |
| Tritanopia (no blue cones) | #A9001C | 0.034 |
| Achromatopsia (no color) | #4E4E4E | 0.163 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #991A1A
#991A1A
oklch(44.3% 0.162 27)
- #005F69
#005F69
oklch(44.4% 0.076 207.3)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #991A1A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Auburn #9B2226 ΔE 0.014
- Carmine #9D0216 ΔE 0.016
- Deep Red #9A0200 ΔE 0.019
- Blood Red #980002 ΔE 0.021
- Burnt Red #9F2305 ΔE 0.025
- Brick Red #8F1402 ΔE 0.028
- Brown Red #922B05 ΔE 0.032
- Red Brown #8B2E16 ΔE 0.038
Use #991A1A 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.