#B83947
Closest named color: Dull Red (#BB3F3F). oklch(53.4% 0.162 18.4), rgb(184, 57, 71).
Aa
White text reads best on this color (5.65:1).
About this color
#B83947 is a medium-dark, vivid red. In OKLCH its lightness is 53%, its chroma 0.162 and its hue 18°. Its hue sits on the warm side of the wheel. The nearest named color is Dull Red (#BB3F3F), ΔE 0.019 away. White text reads best on it, at 5.65:1.
| Hue family | Reds |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.162) |
| Temperature | warm |
| Nearest name | Dull Red (#BB3F3F) |
| Black text | 3.71:1 |
| White text | 5.65:1 |
Values
| HEX | #B83947 |
| RGB | rgb(184, 57, 71) |
| HSL | hsl(353, 53%, 47%) |
| OKLCH | oklch(53.4% 0.162 18.4) |
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 #B83947 | 5.65:1 | AA | Lc -82.5 | Fine for body text |
| Black text on #B83947 | 3.71:1 | AA large text | Lc 26.8 | Dividers and decoration only |
| #B83947 text on white | 5.65:1 | AA | Lc 77.2 | Fine for body text |
| #B83947 text on black | 3.71:1 | AA large text | Lc -24.5 | 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
#FCF3F3
oklch(97.1% 0.01 17.3)
-
Step 100
100
#F8E5E4
oklch(93.7% 0.021 21.2)
-
Step 200
200
#F3CFCF
oklch(88.5% 0.041 17.9)
-
Step 300
300
#ECAEAE
oklch(80.8% 0.073 18.8)
-
Step 400
400
#E08184
oklch(70.7% 0.117 18.5)
-
Step 500
500
#D45E66
oklch(63.1% 0.149 18.3)
-
Step 600
600 (this color)
#B83947
oklch(53.4% 0.162 18.4)
-
Step 700
700
#A5313E
oklch(49.1% 0.151 18.5)
-
Step 800
800
#862A33
oklch(42.7% 0.125 18.7)
-
Step 900
900
#6C282D
oklch(37.8% 0.097 18.6)
-
Step 950
950
#40181A
oklch(27.1% 0.063 19.2)
#B83947 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) | #5A5647 | 0.178 |
| Deuteranopia (no green cones) | #7B7144 | 0.163 |
| Tritanopia (no blue cones) | #CA193F | 0.043 |
| Achromatopsia (no color) | #676767 | 0.164 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B83947
#B83947
oklch(53.4% 0.162 18.4)
- #007D80
#007D80
oklch(53.5% 0.091 197.7)
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 #B83947, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Red #BB3F3F ΔE 0.019
- Dusty Red #B9484E ΔE 0.027
- Dark Rose #B5485D ΔE 0.033
- Light Burgundy #A8415B ΔE 0.040
- Light Maroon #A24857 ΔE 0.047
- Firebrick #B22222 ΔE 0.048
- Rose Red #BE013C ΔE 0.048
- Lipstick Red #C0022F ΔE 0.048
Use #B83947 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.