#B04743
Closest named color: Dull Red (#BB3F3F). oklch(53.7% 0.138 25), rgb(176, 71, 67).
Aa
White text reads best on this color (5.48:1).
About this color
#B04743 is a medium-dark, moderately saturated red. In OKLCH its lightness is 54%, its chroma 0.138 and its hue 25°. Its hue sits on the warm side of the wheel. The nearest named color is Dull Red (#BB3F3F), ΔE 0.023 away. White text reads best on it, at 5.48:1.
| Hue family | Reds |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.138) |
| Temperature | warm |
| Nearest name | Dull Red (#BB3F3F) |
| Black text | 3.82:1 |
| White text | 5.48:1 |
Values
| HEX | #B04743 |
| RGB | rgb(176, 71, 67) |
| HSL | hsl(2, 45%, 48%) |
| OKLCH | oklch(53.7% 0.138 25) |
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 #B04743 | 5.48:1 | AA | Lc -82.0 | Fine for body text |
| Black text on #B04743 | 3.82:1 | AA large text | Lc 27.4 | Dividers and decoration only |
| #B04743 text on white | 5.48:1 | AA | Lc 76.7 | Fine for body text |
| #B04743 text on black | 3.82:1 | AA large text | Lc -25.1 | 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
#F6E6E4
oklch(93.7% 0.018 26.1)
-
Step 200
200
#EFD1CE
oklch(88.5% 0.034 24.6)
-
Step 300
300
#E6B2AC
oklch(80.9% 0.062 26.1)
-
Step 400
400
#D88881
oklch(70.8% 0.099 25.3)
-
Step 500
500
#CB6861
oklch(63.1% 0.127 25.5)
-
Step 600
600 (this color)
#B04743
oklch(53.7% 0.138 25)
-
Step 700
700
#9D3D3A
oklch(49.2% 0.129 24.8)
-
Step 800
800
#7F3330
oklch(42.7% 0.106 24.9)
-
Step 900
900
#672E2A
oklch(37.8% 0.083 25.8)
-
Step 950
950
#3C1B19
oklch(26.9% 0.052 24.7)
#B04743 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) | #625B42 | 0.146 |
| Deuteranopia (no green cones) | #7C7140 | 0.135 |
| Tritanopia (no blue cones) | #C13347 | 0.044 |
| Achromatopsia (no color) | #696969 | 0.139 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B04743
#B04743
oklch(53.7% 0.138 25)
- #007D87
#007D87
oklch(53.8% 0.092 204.6)
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 #B04743, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Red #BB3F3F ΔE 0.023
- Dusty Red #B9484E ΔE 0.023
- Dark Rose #B5485D ΔE 0.037
- Light Maroon #A24857 ΔE 0.038
- Light Burgundy #A8415B ΔE 0.044
- Sinopia #BB3E03 ΔE 0.049
- Sienna #A0522D ΔE 0.050
- Rusty Red #AF2F0D ΔE 0.054
Use #B04743 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.