#921B00
Closest named color: Brick Red (#8F1402). oklch(42.8% 0.157 33.1), rgb(146, 27, 0).
Aa
White text reads best on this color (8.82:1).
About this color
#921B00 is a dark, vivid red. In OKLCH its lightness is 43%, its chroma 0.157 and its hue 33°. Its hue sits on the warm side of the wheel. The nearest named color is Brick Red (#8F1402), ΔE 0.012 away. White text reads best on it, at 8.82:1.
| Hue family | Reds |
| Lightness | dark (43%) |
| Chroma | vivid (0.157) |
| Temperature | warm |
| Nearest name | Brick Red (#8F1402) |
| Black text | 2.37:1 |
| White text | 8.82:1 |
Values
| HEX | #921B00 |
| RGB | rgb(146, 27, 0) |
| HSL | hsl(11, 100%, 29%) |
| OKLCH | oklch(42.8% 0.157 33.1) |
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 #921B00 | 8.82:1 | AAA | Lc -93.2 | Preferred for body text |
| Black text on #921B00 | 2.37:1 | Fails | Lc 15.4 | Dividers and decoration only |
| #921B00 text on white | 8.82:1 | AAA | Lc 88.6 | Fine for body text |
| #921B00 text on black | 2.37:1 | Fails | Lc -13.6 | 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
#FEF3F0
oklch(97.2% 0.013 35.7)
-
Step 100
100
#FBE4DF
oklch(93.6% 0.026 32.2)
-
Step 200
200
#F9CEC4
oklch(88.6% 0.051 33.3)
-
Step 300
300
#F6AB9A
oklch(80.9% 0.092 33.3)
-
Step 400
400
#EE7A62
oklch(70.7% 0.148 33)
-
Step 500
500
#E45134
oklch(63.1% 0.188 33.1)
-
Step 600
600
#D02B00
oklch(55.7% 0.205 33.2)
-
Step 700
700
#B02300
oklch(49.2% 0.18 33.2)
-
Step 800
800 (this color)
#921B00
oklch(42.8% 0.157 33.1)
-
Step 900
900
#751F0E
oklch(37.7% 0.123 33)
-
Step 950
950
#45140A
oklch(27% 0.078 33.4)
#921B00 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) | #433900 | 0.166 |
| Deuteranopia (no green cones) | #5F5400 | 0.150 |
| Tritanopia (no blue cones) | #A20018 | 0.040 |
| Achromatopsia (no color) | #4A4A4A | 0.159 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #921B00
#921B00
oklch(42.8% 0.157 33.1)
- #005A68
#005A68
oklch(42.9% 0.075 212.8)
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 #921B00, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brick Red #8F1402 ΔE 0.012
- Blood Red #980002 ΔE 0.021
- Deep Red #9A0200 ΔE 0.022
- Brown Red #922B05 ΔE 0.023
- Red Brown #8B2E16 ΔE 0.028
- Dark Red #8B0000 ΔE 0.031
- Carmine #9D0216 ΔE 0.032
- Burnt Red #9F2305 ΔE 0.032
Use #921B00 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.