#B03547
Closest named color: Light Burgundy (#A8415B). oklch(51.6% 0.158 16.4), rgb(176, 53, 71).
Aa
White text reads best on this color (6.09:1).
About this color
#B03547 is a medium-dark, vivid red. In OKLCH its lightness is 52%, its chroma 0.158 and its hue 16°. Its hue sits on the warm side of the wheel. The nearest named color is Light Burgundy (#A8415B), ΔE 0.032 away. White text reads best on it, at 6.09:1.
| Hue family | Reds |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.158) |
| Temperature | warm |
| Nearest name | Light Burgundy (#A8415B) |
| Black text | 3.44:1 |
| White text | 6.09:1 |
Values
| HEX | #B03547 |
| RGB | rgb(176, 53, 71) |
| HSL | hsl(351, 54%, 45%) |
| OKLCH | oklch(51.6% 0.158 16.4) |
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 #B03547 | 6.09:1 | AA | Lc -84.6 | Fine for body text |
| Black text on #B03547 | 3.44:1 | AA large text | Lc 24.7 | Dividers and decoration only |
| #B03547 text on white | 6.09:1 | AA | Lc 79.4 | Fine for body text |
| #B03547 text on black | 3.44:1 | AA large text | Lc -22.4 | 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
#FCF3F3
oklch(97.1% 0.01 17.3)
-
Step 100
100
#F8E4E5
oklch(93.5% 0.022 14.1)
-
Step 200
200
#F4CECF
oklch(88.4% 0.043 16.2)
-
Step 300
300
#EEADAF
oklch(80.9% 0.077 16.8)
-
Step 400
400
#E27F86
oklch(70.6% 0.122 16.2)
-
Step 500
500
#D75B68
oklch(63.1% 0.156 16.4)
-
Step 600
600
#C23C4F
oklch(55.6% 0.17 16.6)
-
Step 700
700 (this color)
#B03547
oklch(51.6% 0.158 16.4)
-
Step 800
800
#882735
oklch(42.7% 0.131 16.5)
-
Step 900
900
#6D262E
oklch(37.7% 0.101 16.7)
-
Step 950
950
#40171B
oklch(26.9% 0.064 16.5)
#B03547 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) | #555247 | 0.174 |
| Deuteranopia (no green cones) | #746C44 | 0.161 |
| Tritanopia (no blue cones) | #C1173C | 0.040 |
| Achromatopsia (no color) | #626262 | 0.160 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B03547
#B03547
oklch(51.6% 0.158 16.4)
- #007779
#007779
oklch(51.6% 0.088 196.8)
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 #B03547, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Burgundy #A8415B ΔE 0.032
- Dull Red #BB3F3F ΔE 0.035
- Light Maroon #A24857 ΔE 0.040
- Dark Rose #B5485D ΔE 0.042
- Dusty Red #B9484E ΔE 0.042
- Firebrick #B22222 ΔE 0.042
- Brown #A52A2A ΔE 0.044
- Rouge #AB1239 ΔE 0.045
Use #B03547 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.