#BB2A42
Closest named color: Rose Red (#BE013C). oklch(52.4% 0.18 17.4), rgb(187, 42, 66).
Aa
White text reads best on this color (5.96:1).
About this color
#BB2A42 is a medium-dark, vivid red. In OKLCH its lightness is 52%, its chroma 0.180 and its hue 17°. Its hue sits on the warm side of the wheel. The nearest named color is Rose Red (#BE013C), ΔE 0.028 away. White text reads best on it, at 5.96:1.
| Hue family | Reds |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.180) |
| Temperature | warm |
| Nearest name | Rose Red (#BE013C) |
| Black text | 3.52:1 |
| White text | 5.96:1 |
Values
| HEX | #BB2A42 |
| RGB | rgb(187, 42, 66) |
| HSL | hsl(350, 63%, 45%) |
| OKLCH | oklch(52.4% 0.18 17.4) |
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 #BB2A42 | 5.96:1 | AA | Lc -83.6 | Fine for body text |
| Black text on #BB2A42 | 3.52:1 | AA large text | Lc 25.7 | Dividers and decoration only |
| #BB2A42 text on white | 5.96:1 | AA | Lc 78.4 | Fine for body text |
| #BB2A42 text on black | 3.52:1 | AA large text | Lc -23.4 | 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
#FDF3F3
oklch(97.2% 0.011 17.3)
-
Step 100
100
#F9E4E4
oklch(93.6% 0.023 17.6)
-
Step 200
200
#F6CECE
oklch(88.6% 0.045 18)
-
Step 300
300
#F0ACAD
oklch(80.9% 0.08 18)
-
Step 400
400
#E67D83
oklch(70.8% 0.13 17.3)
-
Step 500
500
#DB5764
oklch(63.1% 0.165 17.3)
-
Step 600
600 (this color)
#BB2A42
oklch(52.4% 0.18 17.4)
-
Step 700
700
#AB273C
oklch(49.2% 0.167 17.6)
-
Step 800
800
#8B2332
oklch(42.8% 0.138 17.4)
-
Step 900
900
#70232C
oklch(37.8% 0.108 17.2)
-
Step 950
950
#42161A
oklch(27.1% 0.068 17.4)
#BB2A42 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) | #545042 | 0.199 |
| Deuteranopia (no green cones) | #796E3E | 0.181 |
| Tritanopia (no blue cones) | #CD0034 | 0.039 |
| Achromatopsia (no color) | #646464 | 0.181 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BB2A42
#BB2A42
oklch(52.4% 0.18 17.4)
- #00797C
#00797C
oklch(52.3% 0.089 197.8)
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 #BB2A42, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rose Red #BE013C ΔE 0.028
- Lipstick Red #C0022F ΔE 0.030
- Dull Red #BB3F3F ΔE 0.035
- Ruby #CA0147 ΔE 0.037
- Firebrick #B22222 ΔE 0.040
- Cherry #CF0234 ΔE 0.042
- Scarlet #BE0119 ΔE 0.043
- Dusty Red #B9484E ΔE 0.046
Use #BB2A42 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.