#BB2C00
Closest named color: Rusty Red (#AF2F0D). oklch(51.9% 0.185 34.5), rgb(187, 44, 0).
Aa
White text reads best on this color (6.04:1).
About this color
#BB2C00 is a medium-dark, vivid red. In OKLCH its lightness is 52%, its chroma 0.185 and its hue 34°. Its hue sits on the warm side of the wheel. The nearest named color is Rusty Red (#AF2F0D), ΔE 0.024 away. White text reads best on it, at 6.04:1.
| Hue family | Reds |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.185) |
| Temperature | warm |
| Nearest name | Rusty Red (#AF2F0D) |
| Black text | 3.47:1 |
| White text | 6.04:1 |
Values
| HEX | #BB2C00 |
| RGB | rgb(187, 44, 0) |
| HSL | hsl(14, 100%, 37%) |
| OKLCH | oklch(51.9% 0.185 34.5) |
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 #BB2C00 | 6.04:1 | AA | Lc -83.9 | Fine for body text |
| Black text on #BB2C00 | 3.47:1 | AA large text | Lc 25.4 | Dividers and decoration only |
| #BB2C00 text on white | 6.04:1 | AA | Lc 78.6 | Fine for body text |
| #BB2C00 text on black | 3.47:1 | AA large text | Lc -23.2 | Dividers and decoration only |
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 700.
-
Step 50
50
#FDF3F0
oklch(97.1% 0.012 37.4)
-
Step 100
100
#FBE4DF
oklch(93.6% 0.026 32.2)
-
Step 200
200
#F8CEC4
oklch(88.5% 0.05 33.6)
-
Step 300
300
#F4AC9A
oklch(80.8% 0.089 34.6)
-
Step 400
400
#EB7C62
oklch(70.6% 0.143 34.3)
-
Step 500
500
#E25433
oklch(63.1% 0.183 34.4)
-
Step 600
600
#CD3100
oklch(55.6% 0.198 34.4)
-
Step 700
700 (this color)
#BB2C00
oklch(51.9% 0.185 34.5)
-
Step 800
800
#8F1F00
oklch(42.6% 0.152 34.4)
-
Step 900
900
#73210D
oklch(37.6% 0.119 34.5)
-
Step 950
950
#44150A
oklch(27% 0.075 34.5)
#BB2C00 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) | #5A4E00 | 0.193 |
| Deuteranopia (no green cones) | #7D6E00 | 0.172 |
| Tritanopia (no blue cones) | #CF0026 | 0.053 |
| Achromatopsia (no color) | #636363 | 0.186 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BB2C00
#BB2C00
oklch(51.9% 0.185 34.5)
- #007689
#007689
oklch(52% 0.091 214)
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 #BB2C00, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rusty Red #AF2F0D ΔE 0.024
- Sinopia #BB3E03 ΔE 0.028
- Firebrick #B22222 ΔE 0.033
- Rufous #AE2012 ΔE 0.036
- Rust Red #AA2704 ΔE 0.038
- Scarlet #BE0119 ΔE 0.038
- Dull Red #BB3F3F ΔE 0.047
- Lipstick Red #C0022F ΔE 0.052
Use #BB2C00 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.