#B83C3B
Closest named color: Dull Red (#BB3F3F). oklch(53.5% 0.16 24.7), rgb(184, 60, 59).
Aa
White text reads best on this color (5.60:1).
About this color
#B83C3B is a medium-dark, vivid red. In OKLCH its lightness is 54%, its chroma 0.160 and its hue 25°. Its hue sits on the warm side of the wheel. The nearest named color is Dull Red (#BB3F3F), ΔE 0.009 away. White text reads best on it, at 5.60:1.
| Hue family | Reds |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.160) |
| Temperature | warm |
| Nearest name | Dull Red (#BB3F3F) |
| Black text | 3.74:1 |
| White text | 5.60:1 |
Values
| HEX | #B83C3B |
| RGB | rgb(184, 60, 59) |
| HSL | hsl(0, 51%, 48%) |
| OKLCH | oklch(53.5% 0.16 24.7) |
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 #B83C3B | 5.60:1 | AA | Lc -82.3 | Fine for body text |
| Black text on #B83C3B | 3.74:1 | AA large text | Lc 27.1 | Dividers and decoration only |
| #B83C3B text on white | 5.60:1 | AA | Lc 77.0 | Fine for body text |
| #B83C3B text on black | 3.74:1 | AA large text | Lc -24.7 | 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 600.
-
Step 50
50
#FCF3F2
oklch(97.1% 0.01 25.1)
-
Step 100
100
#F8E5E3
oklch(93.7% 0.021 24.8)
-
Step 200
200
#F3D0CC
oklch(88.6% 0.04 25.6)
-
Step 300
300
#ECAFA9
oklch(80.9% 0.072 25.2)
-
Step 400
400
#DF837C
oklch(70.7% 0.115 25)
-
Step 500
500
#D4605B
oklch(63.1% 0.148 24.7)
-
Step 600
600 (this color)
#B83C3B
oklch(53.5% 0.16 24.7)
-
Step 700
700
#A53333
oklch(49.1% 0.15 24.5)
-
Step 800
800
#862C2B
oklch(42.8% 0.124 24.6)
-
Step 900
900
#6C2927
oklch(37.8% 0.096 24.5)
-
Step 950
950
#3F1917
oklch(27% 0.06 24.9)
#B83C3B 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) | #5E573A | 0.172 |
| Deuteranopia (no green cones) | #7D7237 | 0.159 |
| Tritanopia (no blue cones) | #CA1B3D | 0.048 |
| Achromatopsia (no color) | #686868 | 0.161 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B83C3B
#B83C3B
oklch(53.5% 0.16 24.7)
- #007C86
#007C86
oklch(53.5% 0.091 204.7)
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 #B83C3B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Red #BB3F3F ΔE 0.009
- Dusty Red #B9484E ΔE 0.027
- Sinopia #BB3E03 ΔE 0.043
- Dark Rose #B5485D ΔE 0.043
- Firebrick #B22222 ΔE 0.043
- Rusty Red #AF2F0D ΔE 0.045
- Light Burgundy #A8415B ΔE 0.052
- Lipstick Red #C0022F ΔE 0.052
Use #B83C3B 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.