#B54347
Closest named color: Dull Red (#BB3F3F). oklch(54.1% 0.148 21.5), rgb(181, 67, 71).
Aa
White text reads best on this color (5.44:1).
About this color
#B54347 is a medium-dark, vivid red. In OKLCH its lightness is 54%, its chroma 0.148 and its hue 21°. Its hue sits on the warm side of the wheel. The nearest named color is Dull Red (#BB3F3F), ΔE 0.014 away. White text reads best on it, at 5.44:1.
| Hue family | Reds |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.148) |
| Temperature | warm |
| Nearest name | Dull Red (#BB3F3F) |
| Black text | 3.85:1 |
| White text | 5.44:1 |
Values
| HEX | #B54347 |
| RGB | rgb(181, 67, 71) |
| HSL | hsl(358, 46%, 49%) |
| OKLCH | oklch(54.1% 0.148 21.5) |
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 #B54347 | 5.44:1 | AA | Lc -81.7 | Fine for body text |
| Black text on #B54347 | 3.85:1 | AA large text | Lc 27.7 | Dividers and decoration only |
| #B54347 text on white | 5.44:1 | AA | Lc 76.3 | Fine for body text |
| #B54347 text on black | 3.85:1 | AA large text | Lc -25.4 | 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
#FBF3F3
oklch(97% 0.009 17.3)
-
Step 100
100
#F7E5E4
oklch(93.6% 0.02 21.4)
-
Step 200
200
#F1D0CE
oklch(88.5% 0.037 22)
-
Step 300
300
#E9B0AE
oklch(80.9% 0.067 21)
-
Step 400
400
#DB8583
oklch(70.7% 0.106 21.5)
-
Step 500
500
#CF6464
oklch(63.2% 0.136 21.7)
-
Step 600
600 (this color)
#B54347
oklch(54.1% 0.148 21.5)
-
Step 700
700
#A0383C
oklch(49% 0.138 21.6)
-
Step 800
800
#823032
oklch(42.8% 0.113 21.8)
-
Step 900
900
#692B2C
oklch(37.7% 0.089 21.4)
-
Step 950
950
#3E1A1A
oklch(27.1% 0.057 21.5)
#B54347 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) | #605A46 | 0.159 |
| Deuteranopia (no green cones) | #7D7344 | 0.148 |
| Tritanopia (no blue cones) | #C62C45 | 0.042 |
| Achromatopsia (no color) | #6A6A6A | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B54347
#B54347
oklch(54.1% 0.148 21.5)
- #007E85
#007E85
oklch(54% 0.092 201.6)
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 #B54347, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Red #BB3F3F ΔE 0.014
- Dusty Red #B9484E ΔE 0.015
- Dark Rose #B5485D ΔE 0.029
- Light Burgundy #A8415B ΔE 0.041
- Light Maroon #A24857 ΔE 0.041
- Sinopia #BB3E03 ΔE 0.054
- Deep Rose #C74767 ΔE 0.056
- Firebrick #B22222 ΔE 0.056
Use #B54347 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.