#B04640
Closest named color: Dull Red (#BB3F3F). oklch(53.5% 0.14 26.1), rgb(176, 70, 64).
Aa
White text reads best on this color (5.53:1).
About this color
#B04640 is a medium-dark, moderately saturated red. In OKLCH its lightness is 54%, its chroma 0.140 and its hue 26°. Its hue sits on the warm side of the wheel. The nearest named color is Dull Red (#BB3F3F), ΔE 0.022 away. White text reads best on it, at 5.53:1.
| Hue family | Reds |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.140) |
| Temperature | warm |
| Nearest name | Dull Red (#BB3F3F) |
| Black text | 3.79:1 |
| White text | 5.53:1 |
Values
| HEX | #B04640 |
| RGB | rgb(176, 70, 64) |
| HSL | hsl(3, 47%, 47%) |
| OKLCH | oklch(53.5% 0.14 26.1) |
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 #B04640 | 5.53:1 | AA | Lc -82.2 | Fine for body text |
| Black text on #B04640 | 3.79:1 | AA large text | Lc 27.2 | Dividers and decoration only |
| #B04640 text on white | 5.53:1 | AA | Lc 76.9 | Fine for body text |
| #B04640 text on black | 3.79:1 | AA large text | Lc -24.8 | 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
#FBF3F2
oklch(97% 0.009 26)
-
Step 100
100
#F6E6E3
oklch(93.7% 0.018 30.3)
-
Step 200
200
#F0D1CD
oklch(88.6% 0.035 26.6)
-
Step 300
300
#E7B2AB
oklch(81% 0.063 27.2)
-
Step 400
400
#D8877F
oklch(70.6% 0.101 26)
-
Step 500
500
#CC675F
oklch(63.1% 0.13 26.1)
-
Step 600
600 (this color)
#B04640
oklch(53.5% 0.14 26.1)
-
Step 700
700
#9D3D37
oklch(49.1% 0.13 26.5)
-
Step 800
800
#80332E
oklch(42.8% 0.108 26.3)
-
Step 900
900
#672D29
oklch(37.6% 0.084 25.9)
-
Step 950
950
#3D1B18
oklch(27% 0.054 26.5)
#B04640 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) | #615A3F | 0.148 |
| Deuteranopia (no green cones) | #7C713D | 0.136 |
| Tritanopia (no blue cones) | #C13145 | 0.046 |
| Achromatopsia (no color) | #686868 | 0.141 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B04640
#B04640
oklch(53.5% 0.14 26.1)
- #007C87
#007C87
oklch(53.5% 0.092 205.7)
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 #B04640, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Red #BB3F3F ΔE 0.022
- Dusty Red #B9484E ΔE 0.025
- Dark Rose #B5485D ΔE 0.040
- Light Maroon #A24857 ΔE 0.040
- Sinopia #BB3E03 ΔE 0.046
- Light Burgundy #A8415B ΔE 0.047
- Sienna #A0522D ΔE 0.049
- Rusty Red #AF2F0D ΔE 0.051
Use #B04640 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.