#B03E4F
Closest named color: Light Burgundy (#A8415B). oklch(52.8% 0.148 15), rgb(176, 62, 79).
Aa
White text reads best on this color (5.75:1).
About this color
#B03E4F is a medium-dark, vivid red. In OKLCH its lightness is 53%, its chroma 0.148 and its hue 15°. Its hue sits on the warm side of the wheel. The nearest named color is Light Burgundy (#A8415B), ΔE 0.022 away. White text reads best on it, at 5.75:1.
| Hue family | Reds |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.148) |
| Temperature | warm |
| Nearest name | Light Burgundy (#A8415B) |
| Black text | 3.64:1 |
| White text | 5.75:1 |
Values
| HEX | #B03E4F |
| RGB | rgb(176, 62, 79) |
| HSL | hsl(351, 48%, 47%) |
| OKLCH | oklch(52.8% 0.148 15) |
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 #B03E4F | 5.75:1 | AA | Lc -83.2 | Fine for body text |
| Black text on #B03E4F | 3.64:1 | AA large text | Lc 26.1 | Dividers and decoration only |
| #B03E4F text on white | 5.75:1 | AA | Lc 78.0 | Fine for body text |
| #B03E4F text on black | 3.64:1 | AA large text | Lc -23.8 | 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
#FBF3F3
oklch(97% 0.009 17.3)
-
Step 100
100
#F7E5E6
oklch(93.7% 0.02 13.6)
-
Step 200
200
#F1D0D1
oklch(88.6% 0.037 15.8)
-
Step 300
300
#E8B0B3
oklch(80.9% 0.066 15)
-
Step 400
400
#DB848B
oklch(70.7% 0.107 15)
-
Step 500
500
#CE636F
oklch(63.1% 0.136 14.8)
-
Step 600
600 (this color)
#B03E4F
oklch(52.8% 0.148 15)
-
Step 700
700
#9F3747
oklch(49% 0.138 14.7)
-
Step 800
800
#822F3A
oklch(42.8% 0.114 15.4)
-
Step 900
900
#682B32
oklch(37.7% 0.088 15.2)
-
Step 950
950
#3D1A1D
oklch(27% 0.055 16.1)
#B03E4F 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) | #59574F | 0.163 |
| Deuteranopia (no green cones) | #776F4C | 0.150 |
| Tritanopia (no blue cones) | #C02945 | 0.038 |
| Achromatopsia (no color) | #666666 | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B03E4F
#B03E4F
oklch(52.8% 0.148 15)
- #007B7B
#007B7B
oklch(52.8% 0.09 194.8)
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 #B03E4F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Burgundy #A8415B ΔE 0.022
- Dark Rose #B5485D ΔE 0.027
- Dusty Red #B9484E ΔE 0.030
- Light Maroon #A24857 ΔE 0.030
- Dull Red #BB3F3F ΔE 0.032
- Firebrick #B22222 ΔE 0.056
- Brown #A52A2A ΔE 0.057
- Rose Red #BE013C ΔE 0.058
Use #B03E4F 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.