#B34B39
Closest named color: Dull Red (#BB3F3F). oklch(54.6% 0.14 31.8), rgb(179, 75, 57).
Aa
White text reads best on this color (5.27:1).
About this color
#B34B39 is a medium-dark, moderately saturated red. In OKLCH its lightness is 55%, its chroma 0.140 and its hue 32°. Its hue sits on the warm side of the wheel. The nearest named color is Dull Red (#BB3F3F), ΔE 0.029 away. White text reads best on it, at 5.27:1.
| Hue family | Reds |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.140) |
| Temperature | warm |
| Nearest name | Dull Red (#BB3F3F) |
| Black text | 3.98:1 |
| White text | 5.27:1 |
Values
| HEX | #B34B39 |
| RGB | rgb(179, 75, 57) |
| HSL | hsl(9, 52%, 46%) |
| OKLCH | oklch(54.6% 0.14 31.8) |
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 #B34B39 | 5.27:1 | AA | Lc -80.9 | Fine for body text |
| Black text on #B34B39 | 3.98:1 | AA large text | Lc 28.5 | Dividers and decoration only |
| #B34B39 text on white | 5.27:1 | AA | Lc 75.5 | Fine for body text |
| #B34B39 text on black | 3.98:1 | AA large text | Lc -26.2 | 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
#F6E6E2
oklch(93.7% 0.018 34.3)
-
Step 200
200
#EFD1CB
oklch(88.4% 0.035 31.2)
-
Step 300
300
#E6B2A8
oklch(80.8% 0.063 30.9)
-
Step 400
400
#D88979
oklch(70.8% 0.1 32.1)
-
Step 500
500
#CB6957
oklch(63.1% 0.128 31.7)
-
Step 600
600 (this color)
#B34B39
oklch(54.6% 0.14 31.8)
-
Step 700
700
#9D3E2E
oklch(49.1% 0.13 31.7)
-
Step 800
800
#7F3427
oklch(42.6% 0.107 31.8)
-
Step 900
900
#672E24
oklch(37.7% 0.084 31.5)
-
Step 950
950
#3C1C16
oklch(27% 0.052 31.8)
#B34B39 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) | #675E37 | 0.142 |
| Deuteranopia (no green cones) | #807436 | 0.132 |
| Tritanopia (no blue cones) | #C43547 | 0.054 |
| Achromatopsia (no color) | #6C6C6C | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B34B39
#B34B39
oklch(54.6% 0.14 31.8)
- #007F90
#007F90
oklch(54.7% 0.095 211)
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 #B34B39, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Red #BB3F3F ΔE 0.029
- Dusty Red #B9484E ΔE 0.031
- Sinopia #BB3E03 ΔE 0.037
- Brick Orange #C14A09 ΔE 0.041
- Sienna #A0522D ΔE 0.042
- Cinnamon #AC4F06 ΔE 0.044
- Burnt Siena #B75203 ΔE 0.045
- Burnt Orange #C04E01 ΔE 0.046
Use #B34B39 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.