#910C1E
Closest named color: Blood Red (#980002). oklch(42% 0.162 22.9), rgb(145, 12, 30).
Aa
White text reads best on this color (9.22:1).
About this color
#910C1E is a dark, vivid red. In OKLCH its lightness is 42%, its chroma 0.162 and its hue 23°. Its hue sits on the warm side of the wheel. The nearest named color is Blood Red (#980002), ΔE 0.023 away. White text reads best on it, at 9.22:1.
| Hue family | Reds |
| Lightness | dark (42%) |
| Chroma | vivid (0.162) |
| Temperature | warm |
| Nearest name | Blood Red (#980002) |
| Black text | 2.27:1 |
| White text | 9.22:1 |
Values
| HEX | #910C1E |
| RGB | rgb(145, 12, 30) |
| HSL | hsl(352, 85%, 31%) |
| OKLCH | oklch(42% 0.162 22.9) |
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 #910C1E | 9.22:1 | AAA | Lc -93.8 | Preferred for body text |
| Black text on #910C1E | 2.27:1 | Fails | Lc 14.7 | Not readable |
| #910C1E text on white | 9.22:1 | AAA | Lc 89.3 | Fine for body text |
| #910C1E text on black | 2.27:1 | Fails | Lc -12.9 | 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
#FCE3E1
oklch(93.6% 0.028 23.2)
-
Step 200
200
#FACCC9
oklch(88.4% 0.052 22.6)
-
Step 300
300
#F8A8A4
oklch(80.8% 0.095 22.5)
-
Step 400
400
#F07673
oklch(70.7% 0.151 23.1)
-
Step 500
500
#E74A4F
oklch(63.1% 0.193 22.9)
-
Step 600
600
#D21D32
oklch(55.5% 0.21 23)
-
Step 700
700
#B60625
oklch(49.2% 0.196 23)
-
Step 800
800 (this color)
#910C1E
oklch(42% 0.162 22.9)
-
Step 900
900
#761A1F
oklch(37.6% 0.126 23)
-
Step 950
950
#461213
oklch(27.1% 0.08 23.1)
#910C1E 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) | #3B361D | 0.180 |
| Deuteranopia (no green cones) | #5B5118 | 0.162 |
| Tritanopia (no blue cones) | #A00016 | 0.032 |
| Achromatopsia (no color) | #474747 | 0.164 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #910C1E
#910C1E
oklch(42% 0.162 22.9)
- #00585E
#00585E
oklch(41.9% 0.071 202.8)
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 #910C1E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blood Red #980002 ΔE 0.023
- Brick Red #8F1402 ΔE 0.024
- Carmine #9D0216 ΔE 0.026
- Deep Red #9A0200 ΔE 0.027
- Dark Red #8B0000 ΔE 0.027
- Auburn #9B2226 ΔE 0.036
- Red Wine #8C0034 ΔE 0.036
- Cranberry #9E003A ΔE 0.046
Use #910C1E 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.