#BB1F29
Closest named color: Scarlet (#BE0119). oklch(51.2% 0.189 24.6), rgb(187, 31, 41).
Aa
White text reads best on this color (6.28:1).
About this color
#BB1F29 is a medium-dark, vivid red. In OKLCH its lightness is 51%, its chroma 0.189 and its hue 25°. Its hue sits on the warm side of the wheel. The nearest named color is Scarlet (#BE0119), ΔE 0.018 away. White text reads best on it, at 6.28:1.
| Hue family | Reds |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.189) |
| Temperature | warm |
| Nearest name | Scarlet (#BE0119) |
| Black text | 3.34:1 |
| White text | 6.28:1 |
Values
| HEX | #BB1F29 |
| RGB | rgb(187, 31, 41) |
| HSL | hsl(356, 72%, 43%) |
| OKLCH | oklch(51.2% 0.189 24.6) |
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 #BB1F29 | 6.28:1 | AA | Lc -84.7 | Fine for body text |
| Black text on #BB1F29 | 3.34:1 | AA large text | Lc 24.6 | Dividers and decoration only |
| #BB1F29 text on white | 6.28:1 | AA | Lc 79.5 | Fine for body text |
| #BB1F29 text on black | 3.34:1 | AA large text | Lc -22.3 | 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 700.
-
Step 50
50
#FEF2F1
oklch(97% 0.013 23.2)
-
Step 100
100
#FBE4E1
oklch(93.7% 0.026 26.5)
-
Step 200
200
#F9CDC9
oklch(88.5% 0.05 24.2)
-
Step 300
300
#F6AAA3
oklch(80.9% 0.091 25.1)
-
Step 400
400
#EE7872
oklch(70.7% 0.147 24.5)
-
Step 500
500
#E54E4D
oklch(63.2% 0.188 24.6)
-
Step 600
600
#D02630
oklch(55.6% 0.203 24.6)
-
Step 700
700 (this color)
#BB1F29
oklch(51.2% 0.189 24.6)
-
Step 800
800
#92171E
oklch(42.8% 0.157 24.7)
-
Step 900
900
#751D1E
oklch(37.7% 0.122 24.7)
-
Step 950
950
#451312
oklch(27% 0.077 24.9)
#BB1F29 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) | #534B27 | 0.207 |
| Deuteranopia (no green cones) | #786C22 | 0.189 |
| Tritanopia (no blue cones) | #CE0025 | 0.037 |
| Achromatopsia (no color) | #606060 | 0.191 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BB1F29
#BB1F29
oklch(51.2% 0.189 24.6)
- #00757E
#00757E
oklch(51.3% 0.087 204.2)
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 #BB1F29, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Scarlet #BE0119 ΔE 0.018
- Firebrick #B22222 ΔE 0.020
- Lipstick Red #C0022F ΔE 0.021
- Rose Red #BE013C ΔE 0.033
- Rufous #AE2012 ΔE 0.033
- Rusty Red #AF2F0D ΔE 0.038
- Cherry #CF0234 ΔE 0.042
- Dull Red #BB3F3F ΔE 0.043
Use #BB1F29 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.