#BC3943
Closest named color: Dull Red (#BB3F3F). oklch(54% 0.167 20.6), rgb(188, 57, 67).
Aa
White text reads best on this color (5.51:1).
About this color
#BC3943 is a medium-dark, vivid red. In OKLCH its lightness is 54%, its chroma 0.167 and its hue 21°. Its hue sits on the warm side of the wheel. The nearest named color is Dull Red (#BB3F3F), ΔE 0.013 away. White text reads best on it, at 5.51:1.
| Hue family | Reds |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.167) |
| Temperature | warm |
| Nearest name | Dull Red (#BB3F3F) |
| Black text | 3.80:1 |
| White text | 5.51:1 |
Values
| HEX | #BC3943 |
| RGB | rgb(188, 57, 67) |
| HSL | hsl(355, 53%, 48%) |
| OKLCH | oklch(54% 0.167 20.6) |
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 #BC3943 | 5.51:1 | AA | Lc -81.8 | Fine for body text |
| Black text on #BC3943 | 3.80:1 | AA large text | Lc 27.6 | Dividers and decoration only |
| #BC3943 text on white | 5.51:1 | AA | Lc 76.5 | Fine for body text |
| #BC3943 text on black | 3.80:1 | AA large text | Lc -25.3 | 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 600.
-
Step 50
50
#FCF3F2
oklch(97.1% 0.01 25.1)
-
Step 100
100
#F8E5E4
oklch(93.7% 0.021 21.2)
-
Step 200
200
#F4CFCD
oklch(88.5% 0.042 21.6)
-
Step 300
300
#EDAEAC
oklch(80.9% 0.074 20.9)
-
Step 400
400
#E28080
oklch(70.7% 0.121 20.6)
-
Step 500
500
#D65D61
oklch(63.1% 0.153 20.5)
-
Step 600
600 (this color)
#BC3943
oklch(54% 0.167 20.6)
-
Step 700
700
#A72F39
oklch(49.2% 0.156 20.6)
-
Step 800
800
#87292F
oklch(42.7% 0.128 20.9)
-
Step 900
900
#6D272A
oklch(37.7% 0.1 20.7)
-
Step 950
950
#401819
oklch(27% 0.063 20.7)
#BC3943 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) | #5C5742 | 0.183 |
| Deuteranopia (no green cones) | #7E733F | 0.167 |
| Tritanopia (no blue cones) | #CE143E | 0.045 |
| Achromatopsia (no color) | #696969 | 0.168 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BC3943
#BC3943
oklch(54% 0.167 20.6)
- #007E84
#007E84
oklch(53.9% 0.092 200.7)
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 #BC3943, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Red #BB3F3F ΔE 0.013
- Dusty Red #B9484E ΔE 0.025
- Dark Rose #B5485D ΔE 0.037
- Lipstick Red #C0022F ΔE 0.048
- Light Burgundy #A8415B ΔE 0.049
- Firebrick #B22222 ΔE 0.049
- Cherry #CF0234 ΔE 0.050
- Rose Red #BE013C ΔE 0.050
Use #BC3943 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.