#B71329
Closest named color: Firebrick (#B22222). oklch(49.8% 0.192 22.9), rgb(183, 19, 41).
Aa
White text reads best on this color (6.69:1).
About this color
#B71329 is a medium-dark, vivid red. In OKLCH its lightness is 50%, its chroma 0.192 and its hue 23°. Its hue sits on the warm side of the wheel. The nearest named color is Firebrick (#B22222), ΔE 0.018 away. White text reads best on it, at 6.69:1.
| Hue family | Reds |
| Lightness | medium-dark (50%) |
| Chroma | vivid (0.192) |
| Temperature | warm |
| Nearest name | Firebrick (#B22222) |
| Black text | 3.13:1 |
| White text | 6.69:1 |
Values
| HEX | #B71329 |
| RGB | rgb(183, 19, 41) |
| HSL | hsl(352, 81%, 40%) |
| OKLCH | oklch(49.8% 0.192 22.9) |
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 #B71329 | 6.69:1 | AA | Lc -86.1 | Fine for body text |
| Black text on #B71329 | 3.13:1 | AA large text | Lc 23.1 | Dividers and decoration only |
| #B71329 text on white | 6.69:1 | AA | Lc 80.9 | Fine for body text |
| #B71329 text on black | 3.13:1 | AA large text | Lc -20.9 | 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 700.
-
Step 50
50
#FEF2F1
oklch(97% 0.013 23.2)
-
Step 100
100
#FCE3E1
oklch(93.6% 0.028 23.2)
-
Step 200
200
#FACDC9
oklch(88.6% 0.051 24.1)
-
Step 300
300
#F7A9A5
oklch(80.9% 0.093 22.6)
-
Step 400
400
#EF7774
oklch(70.7% 0.149 23)
-
Step 500
500
#E64C50
oklch(63.2% 0.19 23)
-
Step 600
600
#D12234
oklch(55.6% 0.206 22.9)
-
Step 700
700 (this color)
#B71329
oklch(49.8% 0.192 22.9)
-
Step 800
800
#921421
oklch(42.6% 0.159 23)
-
Step 900
900
#761C20
oklch(37.8% 0.124 23.2)
-
Step 950
950
#451213
oklch(26.9% 0.078 23)
#B71329 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) | #4D4628 | 0.212 |
| Deuteranopia (no green cones) | #746822 | 0.193 |
| Tritanopia (no blue cones) | #CA001F | 0.038 |
| Achromatopsia (no color) | #5C5C5C | 0.193 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B71329
#B71329
oklch(49.8% 0.192 22.9)
- #007178
#007178
oklch(50% 0.085 202.3)
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 #B71329, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Firebrick #B22222 ΔE 0.018
- Scarlet #BE0119 ΔE 0.018
- Lipstick Red #C0022F ΔE 0.020
- Rose Red #BE013C ΔE 0.029
- Rufous #AE2012 ΔE 0.030
- Rouge #AB1239 ΔE 0.033
- Brown #A52A2A ΔE 0.038
- Rust Red #AA2704 ΔE 0.043
Use #B71329 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.