#BB4331
Closest named color: Dull Red (#BB3F3F). oklch(54.7% 0.158 31.2), rgb(187, 67, 49).
Aa
White text reads best on this color (5.30:1).
About this color
#BB4331 is a medium-dark, vivid red. In OKLCH its lightness is 55%, its chroma 0.158 and its hue 31°. Its hue sits on the warm side of the wheel. The nearest named color is Dull Red (#BB3F3F), ΔE 0.020 away. White text reads best on it, at 5.30:1.
| Hue family | Reds |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.158) |
| Temperature | warm |
| Nearest name | Dull Red (#BB3F3F) |
| Black text | 3.96:1 |
| White text | 5.30:1 |
Values
| HEX | #BB4331 |
| RGB | rgb(187, 67, 49) |
| HSL | hsl(8, 58%, 46%) |
| OKLCH | oklch(54.7% 0.158 31.2) |
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 #BB4331 | 5.30:1 | AA | Lc -80.8 | Fine for body text |
| Black text on #BB4331 | 3.96:1 | AA large text | Lc 28.6 | Dividers and decoration only |
| #BB4331 text on white | 5.30:1 | AA | Lc 75.5 | Fine for body text |
| #BB4331 text on black | 3.96:1 | AA large text | Lc -26.3 | 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 600.
-
Step 50
50
#FCF3F2
oklch(97.1% 0.01 25.1)
-
Step 100
100
#F7E5E2
oklch(93.5% 0.02 28.9)
-
Step 200
200
#F2D0C9
oklch(88.4% 0.04 31.6)
-
Step 300
300
#EBB0A5
oklch(80.9% 0.071 30.7)
-
Step 400
400
#DE8574
oklch(70.7% 0.113 31.6)
-
Step 500
500
#D36350
oklch(63.2% 0.146 31.3)
-
Step 600
600 (this color)
#BB4331
oklch(54.7% 0.158 31.2)
-
Step 700
700
#A43626
oklch(49.1% 0.148 31.1)
-
Step 800
800
#852E21
oklch(42.7% 0.122 31.1)
-
Step 900
900
#6B2A20
oklch(37.6% 0.095 30.9)
-
Step 950
950
#3F1A13
oklch(27.1% 0.06 32.2)
#BB4331 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) | #645B2E | 0.165 |
| Deuteranopia (no green cones) | #82752D | 0.151 |
| Tritanopia (no blue cones) | #CE2440 | 0.058 |
| Achromatopsia (no color) | #6B6B6B | 0.159 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BB4331
#BB4331
oklch(54.7% 0.158 31.2)
- #007F90
#007F90
oklch(54.7% 0.095 211)
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 #BB4331, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Red #BB3F3F ΔE 0.020
- Sinopia #BB3E03 ΔE 0.027
- Dusty Red #B9484E ΔE 0.033
- Brick Orange #C14A09 ΔE 0.035
- Burnt Orange #C04E01 ΔE 0.043
- Burnt Siena #B75203 ΔE 0.048
- Rusty Red #AF2F0D ΔE 0.048
- Cinnamon #AC4F06 ΔE 0.051
Use #BB4331 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.