#8A0B03
Closest named color: Dark Red (#8B0000). oklch(40.3% 0.158 29.9), rgb(138, 11, 3).
Aa
White text reads best on this color (9.85:1).
About this color
#8A0B03 is a dark, vivid red. In OKLCH its lightness is 40%, its chroma 0.158 and its hue 30°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Red (#8B0000), ΔE 0.007 away. White text reads best on it, at 9.85:1.
| Hue family | Reds |
| Lightness | dark (40%) |
| Chroma | vivid (0.158) |
| Temperature | warm |
| Nearest name | Dark Red (#8B0000) |
| Black text | 2.12:1 |
| White text | 9.85:1 |
Values
| HEX | #8A0B03 |
| RGB | rgb(138, 11, 3) |
| HSL | hsl(4, 96%, 28%) |
| OKLCH | oklch(40.3% 0.158 29.9) |
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 #8A0B03 | 9.85:1 | AAA | Lc -95.2 | Preferred for body text |
| Black text on #8A0B03 | 2.12:1 | Fails | Lc 13.1 | Not readable |
| #8A0B03 text on white | 9.85:1 | AAA | Lc 90.8 | Preferred for body text |
| #8A0B03 text on black | 2.12:1 | Fails | Lc -11.5 | 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
#FEF3F1
oklch(97.2% 0.012 29.9)
-
Step 100
100
#FBE4DF
oklch(93.6% 0.026 32.2)
-
Step 200
200
#F9CDC5
oklch(88.4% 0.051 30.1)
-
Step 300
300
#F7AA9D
oklch(80.9% 0.093 29.9)
-
Step 400
400
#EE7968
oklch(70.7% 0.148 29.8)
-
Step 500
500
#E54F3D
oklch(63.1% 0.189 30)
-
Step 600
600
#D12718
oklch(55.7% 0.206 30)
-
Step 700
700
#B41508
oklch(49.1% 0.191 29.9)
-
Step 800
800 (this color)
#8A0B03
oklch(40.3% 0.158 29.9)
-
Step 900
900
#751E14
oklch(37.7% 0.123 30.2)
-
Step 950
950
#45130D
oklch(26.9% 0.078 29.9)
#8A0B03 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) | #3A3200 | 0.172 |
| Deuteranopia (no green cones) | #574D00 | 0.154 |
| Tritanopia (no blue cones) | #99000C | 0.033 |
| Achromatopsia (no color) | #434343 | 0.160 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8A0B03
#8A0B03
oklch(40.3% 0.158 29.9)
- #00525D
#00525D
oklch(40.2% 0.07 210.3)
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 #8A0B03, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Red #8B0000 ΔE 0.007
- Brick Red #8F1402 ΔE 0.015
- Maroon #800000 ΔE 0.026
- Blood Red #980002 ΔE 0.029
- Deep Red #9A0200 ΔE 0.034
- Carmine #9D0216 ΔE 0.043
- Red Brown #8B2E16 ΔE 0.045
- Blood #770001 ΔE 0.047
Use #8A0B03 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.