#B31278
Closest named color: Medium Violet Red (#C71585). oklch(51.2% 0.205 349.4), rgb(179, 18, 120).
Aa
White text reads best on this color (6.41:1).
About this color
#B31278 is a medium-dark, vivid red. In OKLCH its lightness is 51%, its chroma 0.205 and its hue 349°. Its hue sits on the warm side of the wheel. The nearest named color is Medium Violet Red (#C71585), ΔE 0.045 away. White text reads best on it, at 6.41:1.
| Hue family | Reds |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.205) |
| Temperature | warm |
| Nearest name | Medium Violet Red (#C71585) |
| Black text | 3.27:1 |
| White text | 6.41:1 |
Values
| HEX | #B31278 |
| RGB | rgb(179, 18, 120) |
| HSL | hsl(322, 82%, 39%) |
| OKLCH | oklch(51.2% 0.205 349.4) |
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 #B31278 | 6.41:1 | AA | Lc -85.1 | Fine for body text |
| Black text on #B31278 | 3.27:1 | AA large text | Lc 24.1 | Dividers and decoration only |
| #B31278 text on white | 6.41:1 | AA | Lc 79.9 | Fine for body text |
| #B31278 text on black | 3.27:1 | AA large text | Lc -21.9 | 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
#FDF2F7
oklch(97.1% 0.013 347.9)
-
Step 100
100
#FAE2ED
oklch(93.5% 0.03 348.2)
-
Step 200
200
#F6CBDF
oklch(88.5% 0.055 348.6)
-
Step 300
300
#F2A6CA
oklch(80.9% 0.1 349.6)
-
Step 400
400
#E773AF
oklch(70.7% 0.158 349.6)
-
Step 500
500
#DC469C
oklch(63% 0.203 349.2)
-
Step 600
600
#C71986
oklch(55.5% 0.22 349.4)
-
Step 700
700 (this color)
#B31278
oklch(51.2% 0.205 349.4)
-
Step 800
800
#8B0D5D
oklch(42.6% 0.17 349)
-
Step 900
900
#70184C
oklch(37.6% 0.132 349.2)
-
Step 950
950
#42102D
oklch(26.9% 0.085 348.5)
#B31278 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) | #364D7A | 0.233 |
| Deuteranopia (no green cones) | #646875 | 0.202 |
| Tritanopia (no blue cones) | #C10047 | 0.082 |
| Achromatopsia (no color) | #5F5F5F | 0.207 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B31278
#B31278
oklch(51.2% 0.205 349.4)
- #00795D
#00795D
oklch(51.2% 0.102 169.5)
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 #B31278, closest first.
No curated palette has a color within ΔE 0.04 of #B31278.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Violet Red #C71585 ΔE 0.045
- Red Violet #9E0168 ΔE 0.052
- Deep Magenta #A0025C ΔE 0.058
- Violet Red #A50055 ΔE 0.060
- Dark Fuchsia #9D0759 ΔE 0.065
- Warm Purple #952E8F ΔE 0.072
- Raspberry #B00149 ΔE 0.072
- Dark Hot Pink #D90166 ΔE 0.085
Use #B31278 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.