#B13B81
Closest named color: Medium Violet Red (#C71585). oklch(54.2% 0.169 347.6), rgb(177, 59, 129).
Aa
White text reads best on this color (5.50:1).
About this color
#B13B81 is a medium-dark, vivid red. In OKLCH its lightness is 54%, its chroma 0.169 and its hue 348°. Its hue sits on the warm side of the wheel. The nearest named color is Medium Violet Red (#C71585), ΔE 0.054 away. White text reads best on it, at 5.50:1.
| Hue family | Reds |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.169) |
| Temperature | warm |
| Nearest name | Medium Violet Red (#C71585) |
| Black text | 3.81:1 |
| White text | 5.50:1 |
Values
| HEX | #B13B81 |
| RGB | rgb(177, 59, 129) |
| HSL | hsl(324, 50%, 46%) |
| OKLCH | oklch(54.2% 0.169 347.6) |
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 #B13B81 | 5.50:1 | AA | Lc -82.0 | Fine for body text |
| Black text on #B13B81 | 3.81:1 | AA large text | Lc 27.4 | Dividers and decoration only |
| #B13B81 text on white | 5.50:1 | AA | Lc 76.6 | Fine for body text |
| #B13B81 text on black | 3.81:1 | AA large text | Lc -25.1 | 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
#FBF3F7
oklch(97.1% 0.01 345.4)
-
Step 100
100
#F6E4EC
oklch(93.6% 0.022 348.8)
-
Step 200
200
#EFCEDE
oklch(88.4% 0.042 347.2)
-
Step 300
300
#E6ADCA
oklch(80.9% 0.076 347)
-
Step 400
400
#D880AE
oklch(70.7% 0.122 348)
-
Step 500
500
#CB5D9A
oklch(63.2% 0.155 348)
-
Step 600
600 (this color)
#B13B81
oklch(54.2% 0.169 347.6)
-
Step 700
700
#9C3071
oklch(49.1% 0.158 347.4)
-
Step 800
800
#7F2A5C
oklch(42.8% 0.13 347.7)
-
Step 900
900
#66274B
oklch(37.6% 0.101 347.7)
-
Step 950
950
#3C182C
oklch(27% 0.063 347.7)
#B13B81 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) | #4A5C83 | 0.186 |
| Deuteranopia (no green cones) | #6C707E | 0.165 |
| Tritanopia (no blue cones) | #BD3759 | 0.066 |
| Achromatopsia (no color) | #696969 | 0.171 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B13B81
#B13B81
oklch(54.2% 0.169 347.6)
- #008362
#008362
oklch(54.2% 0.11 167.5)
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 #B13B81, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Violet Red #C71585 ΔE 0.054
- Light Plum #9D5783 ΔE 0.063
- Light Burgundy #A8415B ΔE 0.065
- Dark Pink #CB416B ΔE 0.068
- Dark Rose #B5485D ΔE 0.070
- Deep Rose #C74767 ΔE 0.072
- Warm Purple #952E8F ΔE 0.073
- Light Eggplant #894585 ΔE 0.077
Use #B13B81 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.