#B31E5E
Closest named color: Raspberry (#B00149). oklch(50.8% 0.187 1.6), rgb(179, 30, 94).
Aa
White text reads best on this color (6.43:1).
About this color
#B31E5E is a medium-dark, vivid red. In OKLCH its lightness is 51%, its chroma 0.187 and its hue 2°. Its hue sits on the warm side of the wheel. The nearest named color is Raspberry (#B00149), ΔE 0.033 away. White text reads best on it, at 6.43:1.
| Hue family | Reds |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.187) |
| Temperature | warm |
| Nearest name | Raspberry (#B00149) |
| Black text | 3.26:1 |
| White text | 6.43:1 |
Values
| HEX | #B31E5E |
| RGB | rgb(179, 30, 94) |
| HSL | hsl(334, 71%, 41%) |
| OKLCH | oklch(50.8% 0.187 1.6) |
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 #B31E5E | 6.43:1 | AA | Lc -85.5 | Fine for body text |
| Black text on #B31E5E | 3.26:1 | AA large text | Lc 23.7 | Dividers and decoration only |
| #B31E5E text on white | 6.43:1 | AA | Lc 80.3 | Fine for body text |
| #B31E5E text on black | 3.26:1 | AA large text | Lc -21.5 | 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
#FDF2F5
oklch(97.1% 0.012 358.8)
-
Step 100
100
#FAE3E8
oklch(93.6% 0.026 2.8)
-
Step 200
200
#F7CCD7
oklch(88.5% 0.05 1.1)
-
Step 300
300
#F2A8BC
oklch(80.8% 0.09 1.6)
-
Step 400
400
#E8779A
oklch(70.7% 0.144 1.8)
-
Step 500
500
#DE4D82
oklch(63.2% 0.185 1.5)
-
Step 600
600
#C9276B
oklch(55.7% 0.201 1.7)
-
Step 700
700 (this color)
#B31E5E
oklch(50.8% 0.187 1.6)
-
Step 800
800
#8C1749
oklch(42.6% 0.155 1.4)
-
Step 900
900
#711D3D
oklch(37.7% 0.12 1.7)
-
Step 950
950
#431324
oklch(27.1% 0.076 1.7)
#B31E5E 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) | #454C5F | 0.211 |
| Deuteranopia (no green cones) | #6C695B | 0.190 |
| Tritanopia (no blue cones) | #C3003C | 0.056 |
| Achromatopsia (no color) | #5F5F5F | 0.188 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B31E5E
#B31E5E
oklch(50.8% 0.187 1.6)
- #007669
#007669
oklch(50.8% 0.091 181.7)
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 #B31E5E, closest first.
No curated palette has a color within ΔE 0.04 of #B31E5E.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Raspberry #B00149 ΔE 0.033
- Violet Red #A50055 ΔE 0.041
- Deep Magenta #A0025C ΔE 0.051
- Rose Red #BE013C ΔE 0.051
- Light Burgundy #A8415B ΔE 0.054
- Rouge #AB1239 ΔE 0.055
- Dark Fuchsia #9D0759 ΔE 0.055
- Ruby #CA0147 ΔE 0.056
Use #B31E5E 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.