#B4157D
Closest named color: Medium Violet Red (#C71585). oklch(51.7% 0.207 347.7), rgb(180, 21, 125).
Aa
White text reads best on this color (6.27:1).
About this color
#B4157D is a medium-dark, vivid red. In OKLCH its lightness is 52%, its chroma 0.207 and its hue 348°. Its hue sits on the warm side of the wheel. The nearest named color is Medium Violet Red (#C71585), ΔE 0.040 away. White text reads best on it, at 6.27:1.
| Hue family | Reds |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.207) |
| Temperature | warm |
| Nearest name | Medium Violet Red (#C71585) |
| Black text | 3.34:1 |
| White text | 6.27:1 |
Values
| HEX | #B4157D |
| RGB | rgb(180, 21, 125) |
| HSL | hsl(321, 79%, 39%) |
| OKLCH | oklch(51.7% 0.207 347.7) |
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 #B4157D | 6.27:1 | AA | Lc -84.6 | Fine for body text |
| Black text on #B4157D | 3.34:1 | AA large text | Lc 24.7 | Dividers and decoration only |
| #B4157D text on white | 6.27:1 | AA | Lc 79.4 | Fine for body text |
| #B4157D text on black | 3.34:1 | 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
#FDF2F7
oklch(97.1% 0.013 347.9)
-
Step 100
100
#FAE2ED
oklch(93.5% 0.03 348.2)
-
Step 200
200
#F6CBE0
oklch(88.5% 0.055 347.3)
-
Step 300
300
#F1A6CC
oklch(80.8% 0.1 347.8)
-
Step 400
400
#E673B2
oklch(70.7% 0.159 347.9)
-
Step 500
500
#DB469F
oklch(63% 0.204 347.8)
-
Step 600
600
#C6188A
oklch(55.5% 0.222 347.7)
-
Step 700
700 (this color)
#B4157D
oklch(51.7% 0.207 347.7)
-
Step 800
800
#8B0D5F
oklch(42.7% 0.171 348)
-
Step 900
900
#70184E
oklch(37.7% 0.133 347.9)
-
Step 950
950
#42102E
oklch(27% 0.085 347.4)
#B4157D 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) | #354F7F | 0.234 |
| Deuteranopia (no green cones) | #64697A | 0.201 |
| Tritanopia (no blue cones) | #C1054B | 0.083 |
| Achromatopsia (no color) | #606060 | 0.208 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B4157D
#B4157D
oklch(51.7% 0.207 347.7)
- #007B5C
#007B5C
oklch(51.8% 0.105 167.6)
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 #B4157D, closest first.
No curated palette has a color within ΔE 0.04 of #B4157D.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Violet Red #C71585 ΔE 0.040
- Red Violet #9E0168 ΔE 0.057
- Deep Magenta #A0025C ΔE 0.065
- Violet Red #A50055 ΔE 0.068
- Warm Purple #952E8F ΔE 0.069
- Dark Fuchsia #9D0759 ΔE 0.072
- Raspberry #B00149 ΔE 0.080
- Dark Hot Pink #D90166 ΔE 0.086
Use #B4157D 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.