#B04440
Closest named color: Dull Red (#BB3F3F). oklch(53.3% 0.142 25.2), rgb(176, 68, 64).
Aa
White text reads best on this color (5.60:1).
About this color
#B04440 is a medium-dark, vivid red. In OKLCH its lightness is 53%, its chroma 0.142 and its hue 25°. Its hue sits on the warm side of the wheel. The nearest named color is Dull Red (#BB3F3F), ΔE 0.021 away. White text reads best on it, at 5.60:1.
| Hue family | Reds |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.142) |
| Temperature | warm |
| Nearest name | Dull Red (#BB3F3F) |
| Black text | 3.74:1 |
| White text | 5.60:1 |
Values
| HEX | #B04440 |
| RGB | rgb(176, 68, 64) |
| HSL | hsl(2, 47%, 47%) |
| OKLCH | oklch(53.3% 0.142 25.2) |
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 #B04440 | 5.60:1 | AA | Lc -82.6 | Fine for body text |
| Black text on #B04440 | 3.74:1 | AA large text | Lc 26.8 | Dividers and decoration only |
| #B04440 text on white | 5.60:1 | AA | Lc 77.3 | Fine for body text |
| #B04440 text on black | 3.74:1 | 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
#FBF3F2
oklch(97% 0.009 26)
-
Step 100
100
#F6E5E4
oklch(93.5% 0.019 21.6)
-
Step 200
200
#F0D1CD
oklch(88.6% 0.035 26.6)
-
Step 300
300
#E7B1AC
oklch(80.8% 0.064 24.6)
-
Step 400
400
#D98780
oklch(70.7% 0.102 25.2)
-
Step 500
500
#CD6660
oklch(63.1% 0.132 24.9)
-
Step 600
600 (this color)
#B04440
oklch(53.3% 0.142 25.2)
-
Step 700
700
#9E3C38
oklch(49.2% 0.132 25.5)
-
Step 800
800
#80322F
oklch(42.6% 0.109 25)
-
Step 900
900
#682D2A
oklch(37.8% 0.086 24.9)
-
Step 950
950
#3D1B19
oklch(27.1% 0.054 24.7)
#B04440 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) | #60593F | 0.151 |
| Deuteranopia (no green cones) | #7B703D | 0.139 |
| Tritanopia (no blue cones) | #C12E44 | 0.045 |
| Achromatopsia (no color) | #686868 | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B04440
#B04440
oklch(53.3% 0.142 25.2)
- #007B86
#007B86
oklch(53.2% 0.091 205.7)
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 #B04440, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Red #BB3F3F ΔE 0.021
- Dusty Red #B9484E ΔE 0.026
- Light Maroon #A24857 ΔE 0.039
- Dark Rose #B5485D ΔE 0.040
- Light Burgundy #A8415B ΔE 0.044
- Sinopia #BB3E03 ΔE 0.047
- Rusty Red #AF2F0D ΔE 0.049
- Sienna #A0522D ΔE 0.051
Use #B04440 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.