#BC1837
Closest named color: Lipstick Red (#C0022F). oklch(51.2% 0.193 19.1), rgb(188, 24, 55).
Aa
White text reads best on this color (6.31:1).
About this color
#BC1837 is a medium-dark, vivid red. In OKLCH its lightness is 51%, its chroma 0.193 and its hue 19°. Its hue sits on the warm side of the wheel. The nearest named color is Lipstick Red (#C0022F), ΔE 0.013 away. White text reads best on it, at 6.31:1.
| Hue family | Reds |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.193) |
| Temperature | warm |
| Nearest name | Lipstick Red (#C0022F) |
| Black text | 3.32:1 |
| White text | 6.31:1 |
Values
| HEX | #BC1837 |
| RGB | rgb(188, 24, 55) |
| HSL | hsl(349, 77%, 42%) |
| OKLCH | oklch(51.2% 0.193 19.1) |
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 #BC1837 | 6.31:1 | AA | Lc -84.7 | Fine for body text |
| Black text on #BC1837 | 3.32:1 | AA large text | Lc 24.6 | Dividers and decoration only |
| #BC1837 text on white | 6.31:1 | AA | Lc 79.5 | Fine for body text |
| #BC1837 text on black | 3.32:1 | 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
#FEF2F2
oklch(97.1% 0.013 17.4)
-
Step 100
100
#FCE3E3
oklch(93.6% 0.028 17.7)
-
Step 200
200
#FACCCC
oklch(88.5% 0.052 18.2)
-
Step 300
300
#F7A8A9
oklch(80.8% 0.094 18.5)
-
Step 400
400
#EF767B
oklch(70.7% 0.149 19.1)
-
Step 500
500
#E64A59
oklch(63.1% 0.192 19.2)
-
Step 600
600
#D11F3F
oklch(55.6% 0.208 19.2)
-
Step 700
700 (this color)
#BC1837
oklch(51.2% 0.193 19.1)
-
Step 800
800
#931229
oklch(42.8% 0.16 19.4)
-
Step 900
900
#761A26
oklch(37.7% 0.125 18.8)
-
Step 950
950
#451216
oklch(27% 0.078 19.6)
#BC1837 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) | #4F4A37 | 0.215 |
| Deuteranopia (no green cones) | #776C32 | 0.196 |
| Tritanopia (no blue cones) | #CF0027 | 0.040 |
| Achromatopsia (no color) | #606060 | 0.195 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BC1837
#BC1837
oklch(51.2% 0.193 19.1)
- #00757A
#00757A
oklch(51.1% 0.087 200)
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 #BC1837, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lipstick Red #C0022F ΔE 0.013
- Rose Red #BE013C ΔE 0.015
- Scarlet #BE0119 ΔE 0.027
- Firebrick #B22222 ΔE 0.032
- Ruby #CA0147 ΔE 0.036
- Cherry #CF0234 ΔE 0.037
- Rouge #AB1239 ΔE 0.038
- Raspberry #B00149 ΔE 0.045
Use #BC1837 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.