#B03750
Closest named color: Light Burgundy (#A8415B). oklch(52% 0.157 12.3), rgb(176, 55, 80).
Aa
White text reads best on this color (5.98:1).
About this color
#B03750 is a medium-dark, vivid red. In OKLCH its lightness is 52%, its chroma 0.157 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 5.98:1.
| Hue family | Reds |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.157) |
| Temperature | warm |
| Nearest name | Light Burgundy (#A8415B) |
| Black text | 3.50:1 |
| White text | 5.98:1 |
Values
| HEX | #B03750 |
| RGB | rgb(176, 55, 80) |
| HSL | hsl(348, 52%, 45%) |
| OKLCH | oklch(52% 0.157 12.3) |
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 #B03750 | 5.98:1 | AA | Lc -84.2 | Fine for body text |
| Black text on #B03750 | 3.50:1 | AA large text | Lc 25.1 | Dividers and decoration only |
| #B03750 text on white | 5.98:1 | AA | Lc 78.9 | Fine for body text |
| #B03750 text on black | 3.50:1 | AA large text | Lc -22.9 | 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
#FCF3F3
oklch(97.1% 0.01 17.3)
-
Step 100
100
#F8E4E6
oklch(93.5% 0.022 10.6)
-
Step 200
200
#F4CED1
oklch(88.5% 0.043 12.6)
-
Step 300
300
#EDADB3
oklch(80.9% 0.075 12.7)
-
Step 400
400
#E17F8C
oklch(70.7% 0.121 12.2)
-
Step 500
500
#D65B70
oklch(63.2% 0.155 12.2)
-
Step 600
600
#C13C58
oklch(55.6% 0.169 12.2)
-
Step 700
700 (this color)
#B03750
oklch(52% 0.157 12.3)
-
Step 800
800
#87273B
oklch(42.7% 0.13 12.4)
-
Step 900
900
#6D2633
oklch(37.8% 0.101 12.3)
-
Step 950
950
#40171E
oklch(27% 0.064 11.9)
#B03750 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) | #555450 | 0.173 |
| Deuteranopia (no green cones) | #746C4D | 0.158 |
| Tritanopia (no blue cones) | #C01F41 | 0.039 |
| Achromatopsia (no color) | #636363 | 0.158 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B03750
#B03750
oklch(52% 0.157 12.3)
- #007977
#007977
oklch(52.1% 0.089 192.7)
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 #B03750, 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 0.035
- Light Maroon #A24857 ΔE 0.037
- Dull Red #BB3F3F ΔE 0.041
- Dusty Red #B9484E ΔE 0.041
- Rose Red #BE013C ΔE 0.049
- Rouge #AB1239 ΔE 0.051
- Raspberry #B00149 ΔE 0.053
Use #B03750 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.