#840D0C
Closest named color: Dark Red (#8B0000). oklch(39.2% 0.151 28.2), rgb(132, 13, 12).
Aa
White text reads best on this color (10.27:1).
About this color
#840D0C is a dark, vivid red. In OKLCH its lightness is 39%, its chroma 0.151 and its hue 28°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Red (#8B0000), ΔE 0.015 away. White text reads best on it, at 10.27:1.
| Hue family | Reds |
| Lightness | dark (39%) |
| Chroma | vivid (0.151) |
| Temperature | warm |
| Nearest name | Dark Red (#8B0000) |
| Black text | 2.04:1 |
| White text | 10.27:1 |
Values
| HEX | #840D0C |
| RGB | rgb(132, 13, 12) |
| HSL | hsl(1, 83%, 28%) |
| OKLCH | oklch(39.2% 0.151 28.2) |
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.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #840D0C | 10.27:1 | AAA | Lc -96.2 | Preferred for body text |
| Black text on #840D0C | 2.04:1 | Fails | Lc 12.0 | Not readable |
| #840D0C text on white | 10.27:1 | AAA | Lc 92.0 | Preferred for body text |
| #840D0C text on black | 2.04:1 | Fails | Lc -10.4 | 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 900.
-
Step 50
50
#FFF2F0
oklch(97.1% 0.014 28)
-
Step 100
100
#FFE2DE
oklch(93.5% 0.033 27.1)
-
Step 200
200
#FFCBC3
oklch(88.6% 0.06 28.4)
-
Step 300
300
#FFA599
oklch(80.8% 0.109 28)
-
Step 400
400
#FD6B5D
oklch(70.6% 0.181 28)
-
Step 500
500
#F6302A
oklch(63% 0.232 28.2)
-
Step 600
600
#D9000D
oklch(55.6% 0.228 28.2)
-
Step 700
700
#B80009
oklch(49.2% 0.201 28.2)
-
Step 800
800
#980006
oklch(42.7% 0.175 28.2)
-
Step 900
900 (this color)
#840D0C
oklch(39.2% 0.151 28.2)
-
Step 950
950
#4B0A07
oklch(27% 0.096 28.5)
#840D0C 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) | #373009 | 0.166 |
| Deuteranopia (no green cones) | #534903 | 0.148 |
| Tritanopia (no blue cones) | #920010 | 0.030 |
| Achromatopsia (no color) | #414141 | 0.152 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #840D0C
#840D0C
oklch(39.2% 0.151 28.2)
- #004F58
#004F58
oklch(39.1% 0.067 207.9)
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 #840D0C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Red #8B0000 ΔE 0.015
- Maroon #800000 ΔE 0.016
- Brick Red #8F1402 ΔE 0.028
- Blood #770001 ΔE 0.035
- Wine Red #7B0323 ΔE 0.037
- Blood Red #980002 ΔE 0.042
- Deep Red #9A0200 ΔE 0.047
- Chestnut #742802 ΔE 0.048
Use #840D0C 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.