#B13182
Closest named color: Medium Violet Red (#C71585). oklch(53.3% 0.182 346.2), rgb(177, 49, 130).
Aa
White text reads best on this color (5.78:1).
About this color
#B13182 is a medium-dark, vivid red. In OKLCH its lightness is 53%, its chroma 0.182 and its hue 346°. Its hue sits on the warm side of the wheel. The nearest named color is Medium Violet Red (#C71585), ΔE 0.046 away. White text reads best on it, at 5.78:1.
| Hue family | Reds |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.182) |
| Temperature | warm |
| Nearest name | Medium Violet Red (#C71585) |
| Black text | 3.63:1 |
| White text | 5.78:1 |
Values
| HEX | #B13182 |
| RGB | rgb(177, 49, 130) |
| HSL | hsl(322, 57%, 44%) |
| OKLCH | oklch(53.3% 0.182 346.2) |
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 #B13182 | 5.78:1 | AA | Lc -83.1 | Fine for body text |
| Black text on #B13182 | 3.63:1 | AA large text | Lc 26.2 | Dividers and decoration only |
| #B13182 text on white | 5.78:1 | AA | Lc 77.8 | Fine for body text |
| #B13182 text on black | 3.63:1 | AA large text | Lc -24.0 | 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
#F7E4ED
oklch(93.7% 0.024 347.2)
-
Step 200
200
#F1CEDF
oklch(88.6% 0.045 347.2)
-
Step 300
300
#E8ACCC
oklch(80.9% 0.081 345.8)
-
Step 400
400
#DA7DB1
oklch(70.6% 0.131 346.3)
-
Step 500
500
#CE589E
oklch(63.1% 0.168 346.4)
-
Step 600
600 (this color)
#B13182
oklch(53.3% 0.182 346.2)
-
Step 700
700
#9F2A74
oklch(49.1% 0.17 346.4)
-
Step 800
800
#81255F
oklch(42.7% 0.141 345.9)
-
Step 900
900
#68244D
oklch(37.6% 0.109 346.4)
-
Step 950
950
#3D162D
oklch(26.9% 0.069 346.3)
#B13182 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) | #415884 | 0.203 |
| Deuteranopia (no green cones) | #686D7F | 0.176 |
| Tritanopia (no blue cones) | #BD2E55 | 0.075 |
| Achromatopsia (no color) | #666666 | 0.184 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B13182
#B13182
oklch(53.3% 0.182 346.2)
- #00805E
#00805E
oklch(53.2% 0.11 166.4)
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 #B13182, closest first.
No curated palette has a color within ΔE 0.04 of #B13182.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Violet Red #C71585 ΔE 0.046
- Warm Purple #952E8F ΔE 0.064
- Red Violet #9E0168 ΔE 0.073
- Light Burgundy #A8415B ΔE 0.075
- Light Plum #9D5783 ΔE 0.078
- Deep Magenta #A0025C ΔE 0.078
- Dark Pink #CB416B ΔE 0.079
- Light Eggplant #894585 ΔE 0.080
Use #B13182 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.