#B63247
Closest named color: Dull Red (#BB3F3F). oklch(52.3% 0.168 16.3), rgb(182, 50, 71).
Aa
White text reads best on this color (5.93:1).
About this color
#B63247 is a medium-dark, vivid red. In OKLCH its lightness is 52%, its chroma 0.168 and its hue 16°. Its hue sits on the warm side of the wheel. The nearest named color is Dull Red (#BB3F3F), ΔE 0.031 away. White text reads best on it, at 5.93:1.
| Hue family | Reds |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.168) |
| Temperature | warm |
| Nearest name | Dull Red (#BB3F3F) |
| Black text | 3.53:1 |
| White text | 5.93:1 |
Values
| HEX | #B63247 |
| RGB | rgb(182, 50, 71) |
| HSL | hsl(350, 57%, 45%) |
| OKLCH | oklch(52.3% 0.168 16.3) |
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 #B63247 | 5.93:1 | AA | Lc -83.8 | Fine for body text |
| Black text on #B63247 | 3.53:1 | AA large text | Lc 25.6 | Dividers and decoration only |
| #B63247 text on white | 5.93:1 | AA | Lc 78.5 | Fine for body text |
| #B63247 text on black | 3.53:1 | AA large text | Lc -23.3 | 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
#FDF3F3
oklch(97.2% 0.011 17.3)
-
Step 100
100
#F9E4E4
oklch(93.6% 0.023 17.6)
-
Step 200
200
#F6CECF
oklch(88.6% 0.045 16.3)
-
Step 300
300
#F0ACAE
oklch(80.9% 0.08 17)
-
Step 400
400
#E67D84
oklch(70.8% 0.13 16.7)
-
Step 500
500
#DB5766
oklch(63.2% 0.165 16.4)
-
Step 600
600
#C6364D
oklch(55.6% 0.18 16.5)
-
Step 700
700 (this color)
#B63247
oklch(52.3% 0.168 16.3)
-
Step 800
800
#8B2233
oklch(42.7% 0.14 16.5)
-
Step 900
900
#70232D
oklch(37.8% 0.108 16.4)
-
Step 950
950
#42161A
oklch(27.1% 0.068 17.4)
#B63247 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) | #555247 | 0.186 |
| Deuteranopia (no green cones) | #776E43 | 0.170 |
| Tritanopia (no blue cones) | #C7083B | 0.041 |
| Achromatopsia (no color) | #646464 | 0.169 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B63247
#B63247
oklch(52.3% 0.168 16.3)
- #00797B
#00797B
oklch(52.2% 0.089 196.8)
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 #B63247, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Red #BB3F3F ΔE 0.031
- Rose Red #BE013C ΔE 0.038
- Light Burgundy #A8415B ΔE 0.038
- Dusty Red #B9484E ΔE 0.039
- Dark Rose #B5485D ΔE 0.041
- Lipstick Red #C0022F ΔE 0.041
- Firebrick #B22222 ΔE 0.043
- Ruby #CA0147 ΔE 0.048
Use #B63247 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.