#BB242F
Closest named color: Lipstick Red (#C0022F). oklch(51.6% 0.185 23.5), rgb(187, 36, 47).
Aa
White text reads best on this color (6.16:1).
About this color
#BB242F is a medium-dark, vivid red. In OKLCH its lightness is 52%, its chroma 0.185 and its hue 24°. Its hue sits on the warm side of the wheel. The nearest named color is Lipstick Red (#C0022F), ΔE 0.022 away. White text reads best on it, at 6.16:1.
| Hue family | Reds |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.185) |
| Temperature | warm |
| Nearest name | Lipstick Red (#C0022F) |
| Black text | 3.40:1 |
| White text | 6.16:1 |
Values
| HEX | #BB242F |
| RGB | rgb(187, 36, 47) |
| HSL | hsl(356, 68%, 44%) |
| OKLCH | oklch(51.6% 0.185 23.5) |
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 #BB242F | 6.16:1 | AA | Lc -84.3 | Fine for body text |
| Black text on #BB242F | 3.40:1 | AA large text | Lc 25.0 | Dividers and decoration only |
| #BB242F text on white | 6.16:1 | AA | Lc 79.1 | Fine for body text |
| #BB242F text on black | 3.40:1 | AA large text | Lc -22.7 | 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
#FEF3F2
oklch(97.2% 0.012 23.7)
-
Step 100
100
#FBE4E2
oklch(93.7% 0.025 23.6)
-
Step 200
200
#F9CDCA
oklch(88.5% 0.05 22.7)
-
Step 300
300
#F5AAA5
oklch(80.9% 0.089 23.5)
-
Step 400
400
#ED7975
oklch(70.8% 0.144 23.4)
-
Step 500
500
#E34F51
oklch(63.1% 0.184 23.3)
-
Step 600
600
#CE2935
oklch(55.5% 0.199 23.5)
-
Step 700
700 (this color)
#BB242F
oklch(51.6% 0.185 23.5)
-
Step 800
800
#911922
oklch(42.8% 0.154 23.5)
-
Step 900
900
#741E21
oklch(37.7% 0.12 23.2)
-
Step 950
950
#441314
oklch(26.9% 0.076 22.6)
#BB242F 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) | #544D2E | 0.203 |
| Deuteranopia (no green cones) | #796D29 | 0.186 |
| Tritanopia (no blue cones) | #CE002A | 0.038 |
| Achromatopsia (no color) | #616161 | 0.187 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BB242F
#BB242F
oklch(51.6% 0.185 23.5)
- #00767F
#00767F
oklch(51.6% 0.088 204.1)
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 #BB242F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lipstick Red #C0022F ΔE 0.022
- Firebrick #B22222 ΔE 0.023
- Scarlet #BE0119 ΔE 0.024
- Rose Red #BE013C ΔE 0.032
- Rufous #AE2012 ΔE 0.037
- Dull Red #BB3F3F ΔE 0.038
- Rusty Red #AF2F0D ΔE 0.041
- Cherry #CF0234 ΔE 0.041
Use #BB242F 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.