#BC343F
Closest named color: Dull Red (#BB3F3F). oklch(53.4% 0.172 21), rgb(188, 52, 63).
Aa
White text reads best on this color (5.67:1).
About this color
#BC343F is a medium-dark, vivid red. In OKLCH its lightness is 53%, its chroma 0.172 and its hue 21°. Its hue sits on the warm side of the wheel. The nearest named color is Dull Red (#BB3F3F), ΔE 0.018 away. White text reads best on it, at 5.67:1.
| Hue family | Reds |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.172) |
| Temperature | warm |
| Nearest name | Dull Red (#BB3F3F) |
| Black text | 3.70:1 |
| White text | 5.67:1 |
Values
| HEX | #BC343F |
| RGB | rgb(188, 52, 63) |
| HSL | hsl(355, 57%, 47%) |
| OKLCH | oklch(53.4% 0.172 21) |
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 #BC343F | 5.67:1 | AA | Lc -82.5 | Fine for body text |
| Black text on #BC343F | 3.70:1 | AA large text | Lc 26.9 | Dividers and decoration only |
| #BC343F text on white | 5.67:1 | AA | Lc 77.2 | Fine for body text |
| #BC343F text on black | 3.70:1 | AA large text | Lc -24.6 | 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 600.
-
Step 50
50
#FCF3F2
oklch(97.1% 0.01 25.1)
-
Step 100
100
#F9E4E3
oklch(93.5% 0.023 20.9)
-
Step 200
200
#F5CFCD
oklch(88.6% 0.043 21.6)
-
Step 300
300
#EFADAB
oklch(80.9% 0.078 20.9)
-
Step 400
400
#E37F7F
oklch(70.6% 0.124 20.7)
-
Step 500
500
#D85B5F
oklch(63.1% 0.158 20.8)
-
Step 600
600 (this color)
#BC343F
oklch(53.4% 0.172 21)
-
Step 700
700
#A82C37
oklch(49% 0.16 20.7)
-
Step 800
800
#89272E
oklch(42.8% 0.132 20.9)
-
Step 900
900
#6E2629
oklch(37.7% 0.102 21)
-
Step 950
950
#411718
oklch(27% 0.066 21.1)
#BC343F 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) | #5A543E | 0.188 |
| Deuteranopia (no green cones) | #7C713B | 0.172 |
| Tritanopia (no blue cones) | #CE0039 | 0.045 |
| Achromatopsia (no color) | #676767 | 0.173 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BC343F
#BC343F
oklch(53.4% 0.172 21)
- #007C83
#007C83
oklch(53.4% 0.091 201.7)
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 #BC343F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Red #BB3F3F ΔE 0.018
- Dusty Red #B9484E ΔE 0.033
- Lipstick Red #C0022F ΔE 0.040
- Firebrick #B22222 ΔE 0.042
- Rose Red #BE013C ΔE 0.043
- Dark Rose #B5485D ΔE 0.044
- Cherry #CF0234 ΔE 0.045
- Scarlet #BE0119 ΔE 0.047
Use #BC343F 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.