#BB042D
Closest named color: Lipstick Red (#C0022F). oklch(50.2% 0.2 20.9), rgb(187, 4, 45).
Aa
White text reads best on this color (6.62:1).
About this color
#BB042D is a medium-dark, vivid red. In OKLCH its lightness is 50%, its chroma 0.200 and its hue 21°. Its hue sits on the warm side of the wheel. The nearest named color is Lipstick Red (#C0022F), ΔE 0.011 away. White text reads best on it, at 6.62:1.
| Hue family | Reds |
| Lightness | medium-dark (50%) |
| Chroma | vivid (0.200) |
| Temperature | warm |
| Nearest name | Lipstick Red (#C0022F) |
| Black text | 3.16:1 |
| White text | 6.62:1 |
Values
| HEX | #BB042D |
| RGB | rgb(187, 4, 45) |
| HSL | hsl(347, 96%, 37%) |
| OKLCH | oklch(50.2% 0.2 20.9) |
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 #BB042D | 6.62:1 | AA | Lc -85.4 | Fine for body text |
| Black text on #BB042D | 3.16:1 | AA large text | Lc 23.8 | Dividers and decoration only |
| #BB042D text on white | 6.62:1 | AA | Lc 80.2 | Fine for body text |
| #BB042D text on black | 3.16:1 | AA large text | Lc -21.6 | 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
#FEF2F2
oklch(97.1% 0.013 17.4)
-
Step 100
100
#FCE3E2
oklch(93.6% 0.028 20.4)
-
Step 200
200
#FBCCCA
oklch(88.5% 0.054 21.1)
-
Step 300
300
#F9A8A6
oklch(81% 0.096 21)
-
Step 400
400
#F27476
oklch(70.7% 0.155 20.9)
-
Step 500
500
#E94653
oklch(63.1% 0.199 20.7)
-
Step 600
600
#D41537
oklch(55.6% 0.215 21)
-
Step 700
700 (this color)
#BB042D
oklch(50.2% 0.2 20.9)
-
Step 800
800
#950A24
oklch(42.8% 0.166 20.8)
-
Step 900
900
#771822
oklch(37.7% 0.129 20.7)
-
Step 950
950
#461114
oklch(27% 0.081 21.3)
#BB042D 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) | #4C462C | 0.223 |
| Deuteranopia (no green cones) | #756926 | 0.202 |
| Tritanopia (no blue cones) | #CE001B | 0.043 |
| Achromatopsia (no color) | #5D5D5D | 0.202 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BB042D
#BB042D
oklch(50.2% 0.2 20.9)
- #007278
#007278
oklch(50.2% 0.085 201.2)
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 #BB042D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lipstick Red #C0022F ΔE 0.011
- Scarlet #BE0119 ΔE 0.019
- Rose Red #BE013C ΔE 0.019
- Firebrick #B22222 ΔE 0.029
- Rouge #AB1239 ΔE 0.035
- Rufous #AE2012 ΔE 0.040
- Cherry #CF0234 ΔE 0.042
- Ruby #CA0147 ΔE 0.044
Use #BB042D 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.