#B14037
Closest named color: Dull Red (#BB3F3F). oklch(52.8% 0.149 27.8), rgb(177, 64, 55).
Aa
White text reads best on this color (5.74:1).
About this color
#B14037 is a medium-dark, vivid red. In OKLCH its lightness is 53%, its chroma 0.149 and its hue 28°. 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 5.74:1.
| Hue family | Reds |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.149) |
| Temperature | warm |
| Nearest name | Dull Red (#BB3F3F) |
| Black text | 3.65:1 |
| White text | 5.74:1 |
Values
| HEX | #B14037 |
| RGB | rgb(177, 64, 55) |
| HSL | hsl(4, 53%, 45%) |
| OKLCH | oklch(52.8% 0.149 27.8) |
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 #B14037 | 5.74:1 | AA | Lc -83.2 | Fine for body text |
| Black text on #B14037 | 3.65:1 | AA large text | Lc 26.2 | Dividers and decoration only |
| #B14037 text on white | 5.74:1 | AA | Lc 77.9 | Fine for body text |
| #B14037 text on black | 3.65:1 | AA large text | Lc -23.9 | 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
#F7E5E3
oklch(93.6% 0.02 25.2)
-
Step 200
200
#F1D0CC
oklch(88.4% 0.038 26.1)
-
Step 300
300
#E9B1A9
oklch(81% 0.067 27.9)
-
Step 400
400
#DB867B
oklch(70.7% 0.107 28)
-
Step 500
500
#CF6559
oklch(63.1% 0.137 28.2)
-
Step 600
600 (this color)
#B14037
oklch(52.8% 0.149 27.8)
-
Step 700
700
#A03931
oklch(49% 0.138 27.7)
-
Step 800
800
#823029
oklch(42.6% 0.115 27.8)
-
Step 900
900
#692C26
oklch(37.7% 0.089 27.7)
-
Step 950
950
#3E1A16
oklch(27% 0.057 28)
#B14037 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) | #5E5735 | 0.158 |
| Deuteranopia (no green cones) | #7B6F34 | 0.144 |
| Tritanopia (no blue cones) | #C2253F | 0.050 |
| Achromatopsia (no color) | #666666 | 0.150 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B14037
#B14037
oklch(52.8% 0.149 27.8)
- #007986
#007986
oklch(52.7% 0.091 207.9)
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 #B14037, 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 0.034
- Rusty Red #AF2F0D ΔE 0.038
- Sinopia #BB3E03 ΔE 0.039
- Firebrick #B22222 ΔE 0.044
- Brick #A03623 ΔE 0.045
- Light Maroon #A24857 ΔE 0.048
- Brown #A52A2A ΔE 0.049
Use #B14037 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.