#911321
Closest named color: Blood Red (#980002). oklch(42.4% 0.158 22.8), rgb(145, 19, 33).
Aa
White text reads best on this color (9.05:1).
About this color
#911321 is a dark, vivid red. In OKLCH its lightness is 42%, its chroma 0.158 and its hue 23°. Its hue sits on the warm side of the wheel. The nearest named color is Blood Red (#980002), ΔE 0.025 away. White text reads best on it, at 9.05:1.
| Hue family | Reds |
| Lightness | dark (42%) |
| Chroma | vivid (0.158) |
| Temperature | warm |
| Nearest name | Blood Red (#980002) |
| Black text | 2.31:1 |
| White text | 9.05:1 |
Values
| HEX | #911321 |
| RGB | rgb(145, 19, 33) |
| HSL | hsl(353, 77%, 32%) |
| OKLCH | oklch(42.4% 0.158 22.8) |
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 #911321 | 9.05:1 | AAA | Lc -93.6 | Preferred for body text |
| Black text on #911321 | 2.31:1 | Fails | Lc 14.9 | Not readable |
| #911321 text on white | 9.05:1 | AAA | Lc 89.1 | Fine for body text |
| #911321 text on black | 2.31:1 | Fails | Lc -13.1 | 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
#FEF2F2
oklch(97.1% 0.013 17.4)
-
Step 100
100
#FCE3E2
oklch(93.6% 0.028 20.4)
-
Step 200
200
#FACDC9
oklch(88.6% 0.051 24.1)
-
Step 300
300
#F7A9A5
oklch(80.9% 0.093 22.6)
-
Step 400
400
#EF7775
oklch(70.7% 0.149 22.5)
-
Step 500
500
#E54C51
oklch(63% 0.189 22.6)
-
Step 600
600
#D12335
oklch(55.7% 0.206 22.8)
-
Step 700
700
#B40F28
oklch(49.1% 0.191 22.6)
-
Step 800
800 (this color)
#911321
oklch(42.4% 0.158 22.8)
-
Step 900
900
#751C21
oklch(37.6% 0.123 22.5)
-
Step 950
950
#451214
oklch(26.9% 0.078 21.9)
#911321 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) | #3D3820 | 0.175 |
| Deuteranopia (no green cones) | #5C521C | 0.158 |
| Tritanopia (no blue cones) | #A0001A | 0.031 |
| Achromatopsia (no color) | #494949 | 0.159 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #911321
#911321
oklch(42.4% 0.158 22.8)
- #00595F
#00595F
oklch(42.3% 0.072 202.8)
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 #911321, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blood Red #980002 ΔE 0.025
- Brick Red #8F1402 ΔE 0.025
- Carmine #9D0216 ΔE 0.026
- Deep Red #9A0200 ΔE 0.028
- Dark Red #8B0000 ΔE 0.030
- Auburn #9B2226 ΔE 0.031
- Red Wine #8C0034 ΔE 0.037
- Red Brown #8B2E16 ΔE 0.043
Use #911321 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.