#B3374C
Closest named color: Light Burgundy (#A8415B). oklch(52.5% 0.159 14.8), rgb(179, 55, 76).
Aa
White text reads best on this color (5.88:1).
About this color
#B3374C is a medium-dark, vivid red. In OKLCH its lightness is 52%, its chroma 0.159 and its hue 15°. Its hue sits on the warm side of the wheel. The nearest named color is Light Burgundy (#A8415B), ΔE 0.029 away. White text reads best on it, at 5.88:1.
| Hue family | Reds |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.159) |
| Temperature | warm |
| Nearest name | Light Burgundy (#A8415B) |
| Black text | 3.56:1 |
| White text | 5.88:1 |
Values
| HEX | #B3374C |
| RGB | rgb(179, 55, 76) |
| HSL | hsl(350, 53%, 46%) |
| OKLCH | oklch(52.5% 0.159 14.8) |
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 #B3374C | 5.88:1 | AA | Lc -83.7 | Fine for body text |
| Black text on #B3374C | 3.56:1 | AA large text | Lc 25.7 | Dividers and decoration only |
| #B3374C text on white | 5.88:1 | AA | Lc 78.4 | Fine for body text |
| #B3374C text on black | 3.56:1 | AA large text | Lc -23.4 | 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 600.
-
Step 50
50
#FCF3F3
oklch(97.1% 0.01 17.3)
-
Step 100
100
#F8E5E5
oklch(93.7% 0.021 17.5)
-
Step 200
200
#F2CFD1
oklch(88.5% 0.039 14)
-
Step 300
300
#EBAEB2
oklch(80.8% 0.072 14.4)
-
Step 400
400
#DE828A
oklch(70.7% 0.114 14.8)
-
Step 500
500
#D35F6D
oklch(63.2% 0.147 14.8)
-
Step 600
600 (this color)
#B3374C
oklch(52.5% 0.159 14.8)
-
Step 700
700
#A33245
oklch(49% 0.148 14.8)
-
Step 800
800
#852B39
oklch(42.8% 0.123 14.9)
-
Step 900
900
#6B2831
oklch(37.7% 0.096 14.8)
-
Step 950
950
#3F181D
oklch(27% 0.061 14.2)
#B3374C 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) | #56544C | 0.177 |
| Deuteranopia (no green cones) | #766E49 | 0.162 |
| Tritanopia (no blue cones) | #C41B40 | 0.040 |
| Achromatopsia (no color) | #646464 | 0.161 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B3374C
#B3374C
oklch(52.5% 0.159 14.8)
- #007A7A
#007A7A
oklch(52.5% 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 #B3374C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Burgundy #A8415B ΔE 0.029
- Dull Red #BB3F3F ΔE 0.033
- Dark Rose #B5485D ΔE 0.034
- Dusty Red #B9484E ΔE 0.036
- Light Maroon #A24857 ΔE 0.040
- Rose Red #BE013C ΔE 0.047
- Firebrick #B22222 ΔE 0.049
- Lipstick Red #C0022F ΔE 0.051
Use #B3374C 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.