#B13178
Closest named color: Medium Violet Red (#C71585). oklch(52.9% 0.177 350.9), rgb(177, 49, 120).
Aa
White text reads best on this color (5.86:1).
About this color
#B13178 is a medium-dark, vivid red. In OKLCH its lightness is 53%, its chroma 0.177 and its hue 351°. Its hue sits on the warm side of the wheel. The nearest named color is Medium Violet Red (#C71585), ΔE 0.051 away. White text reads best on it, at 5.86:1.
| Hue family | Reds |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.177) |
| Temperature | warm |
| Nearest name | Medium Violet Red (#C71585) |
| Black text | 3.57:1 |
| White text | 5.86:1 |
Values
| HEX | #B13178 |
| RGB | rgb(177, 49, 120) |
| HSL | hsl(327, 57%, 44%) |
| OKLCH | oklch(52.9% 0.177 350.9) |
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 #B13178 | 5.86:1 | AA | Lc -83.5 | Fine for body text |
| Black text on #B13178 | 3.57:1 | AA large text | Lc 25.8 | Dividers and decoration only |
| #B13178 text on white | 5.86:1 | AA | Lc 78.2 | Fine for body text |
| #B13178 text on black | 3.57:1 | AA large text | Lc -23.5 | 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 600.
-
Step 50
50
#FCF3F6
oklch(97.2% 0.01 354.9)
-
Step 100
100
#F7E4EC
oklch(93.6% 0.023 350.1)
-
Step 200
200
#F1CEDD
oklch(88.5% 0.044 350.3)
-
Step 300
300
#E9ACC7
oklch(80.9% 0.079 350.8)
-
Step 400
400
#DC7EAA
oklch(70.8% 0.127 351.3)
-
Step 500
500
#CF5996
oklch(63.1% 0.163 350.6)
-
Step 600
600 (this color)
#B13178
oklch(52.9% 0.177 350.9)
-
Step 700
700
#A02B6C
oklch(49% 0.165 350.9)
-
Step 800
800
#822658
oklch(42.7% 0.136 350.9)
-
Step 900
900
#692549
oklch(37.8% 0.106 350.5)
-
Step 950
950
#3E162A
oklch(26.9% 0.068 351.4)
#B13178 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) | #46567A | 0.197 |
| Deuteranopia (no green cones) | #6A6D75 | 0.176 |
| Tritanopia (no blue cones) | #BE2950 | 0.065 |
| Achromatopsia (no color) | #656565 | 0.178 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B13178
#B13178
oklch(52.9% 0.177 350.9)
- #007E63
#007E63
oklch(52.8% 0.103 170.9)
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 #B13178, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Violet Red #C71585 ΔE 0.051
- Light Burgundy #A8415B ΔE 0.061
- Red Violet #9E0168 ΔE 0.069
- Violet Red #A50055 ΔE 0.070
- Dark Rose #B5485D ΔE 0.070
- Deep Magenta #A0025C ΔE 0.070
- Dark Pink #CB416B ΔE 0.071
- Warm Purple #952E8F ΔE 0.073
Use #B13178 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.