#B33B54
Closest named color: Light Burgundy (#A8415B). oklch(53.1% 0.155 11.8), rgb(179, 59, 84).
Aa
White text reads best on this color (5.72:1).
About this color
#B33B54 is a medium-dark, vivid red. In OKLCH its lightness is 53%, its chroma 0.155 and its hue 12°. Its hue sits on the warm side of the wheel. The nearest named color is Light Burgundy (#A8415B), ΔE 0.023 away. White text reads best on it, at 5.72:1.
| Hue family | Reds |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.155) |
| Temperature | warm |
| Nearest name | Light Burgundy (#A8415B) |
| Black text | 3.67:1 |
| White text | 5.72:1 |
Values
| HEX | #B33B54 |
| RGB | rgb(179, 59, 84) |
| HSL | hsl(348, 50%, 47%) |
| OKLCH | oklch(53.1% 0.155 11.8) |
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 #B33B54 | 5.72:1 | AA | Lc -83.0 | Fine for body text |
| Black text on #B33B54 | 3.67:1 | AA large text | Lc 26.4 | Dividers and decoration only |
| #B33B54 text on white | 5.72:1 | AA | Lc 77.7 | Fine for body text |
| #B33B54 text on black | 3.67:1 | AA large text | Lc -24.1 | 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
#FCF3F4
oklch(97.1% 0.01 9.5)
-
Step 100
100
#F7E5E6
oklch(93.7% 0.02 13.6)
-
Step 200
200
#F2CFD2
oklch(88.5% 0.04 12.1)
-
Step 300
300
#EAAFB5
oklch(81% 0.069 11.9)
-
Step 400
400
#DD828E
oklch(70.7% 0.113 11.9)
-
Step 500
500
#D06073
oklch(63.1% 0.142 11.5)
-
Step 600
600 (this color)
#B33B54
oklch(53.1% 0.155 11.8)
-
Step 700
700
#A1344B
oklch(49.1% 0.144 11.7)
-
Step 800
800
#832C3D
oklch(42.7% 0.12 12.1)
-
Step 900
900
#6A2934
oklch(37.8% 0.093 12.3)
-
Step 950
950
#3E191F
oklch(27% 0.058 11.6)
#B33B54 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) | #585754 | 0.171 |
| Deuteranopia (no green cones) | #776F51 | 0.157 |
| Tritanopia (no blue cones) | #C32545 | 0.039 |
| Achromatopsia (no color) | #666666 | 0.157 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B33B54
#B33B54
oklch(53.1% 0.155 11.8)
- #007C79
#007C79
oklch(53% 0.091 191.8)
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 #B33B54, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Burgundy #A8415B ΔE 0.023
- Dark Rose #B5485D ΔE 0.025
- Dusty Red #B9484E ΔE 0.034
- Dull Red #BB3F3F ΔE 0.037
- Light Maroon #A24857 ΔE 0.037
- Deep Rose #C74767 ΔE 0.052
- Rose Red #BE013C ΔE 0.054
- Dark Pink #CB416B ΔE 0.058
Use #B33B54 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.