#B13684
Closest named color: Medium Violet Red (#C71585). oklch(53.8% 0.178 345.7), rgb(177, 54, 132).
Aa
White text reads best on this color (5.62:1).
About this color
#B13684 is a medium-dark, vivid red. In OKLCH its lightness is 54%, its chroma 0.178 and its hue 346°. Its hue sits on the warm side of the wheel. The nearest named color is Medium Violet Red (#C71585), ΔE 0.049 away. White text reads best on it, at 5.62:1.
| Hue family | Reds |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.178) |
| Temperature | warm |
| Nearest name | Medium Violet Red (#C71585) |
| Black text | 3.73:1 |
| White text | 5.62:1 |
Values
| HEX | #B13684 |
| RGB | rgb(177, 54, 132) |
| HSL | hsl(322, 53%, 45%) |
| OKLCH | oklch(53.8% 0.178 345.7) |
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 #B13684 | 5.62:1 | AA | Lc -82.5 | Fine for body text |
| Black text on #B13684 | 3.73:1 | AA large text | Lc 26.9 | Dividers and decoration only |
| #B13684 text on white | 5.62:1 | AA | Lc 77.2 | Fine for body text |
| #B13684 text on black | 3.73:1 | AA large text | Lc -24.6 | 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
#F6E4ED
oklch(93.6% 0.023 345.8)
-
Step 200
200
#F0CEDF
oklch(88.5% 0.044 346.4)
-
Step 300
300
#E7ACCC
oklch(80.8% 0.08 345.3)
-
Step 400
400
#D97EB2
oklch(70.7% 0.129 345.6)
-
Step 500
500
#CC5A9F
oklch(63.1% 0.164 345.5)
-
Step 600
600 (this color)
#B13684
oklch(53.8% 0.178 345.7)
-
Step 700
700
#9D2D74
oklch(49.1% 0.164 345.9)
-
Step 800
800
#80275F
oklch(42.8% 0.137 345.7)
-
Step 900
900
#67254E
oklch(37.6% 0.107 345.2)
-
Step 950
950
#3D172D
oklch(27.1% 0.067 346.7)
#B13684 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) | #445A86 | 0.196 |
| Deuteranopia (no green cones) | #696F81 | 0.172 |
| Tritanopia (no blue cones) | #BD3458 | 0.073 |
| Achromatopsia (no color) | #676767 | 0.179 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B13684
#B13684
oklch(53.8% 0.178 345.7)
- #00825F
#00825F
oklch(53.8% 0.112 166.1)
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 #B13684, closest first.
No curated palette has a color within ΔE 0.04 of #B13684.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Violet Red #C71585 ΔE 0.049
- Warm Purple #952E8F ΔE 0.066
- Light Plum #9D5783 ΔE 0.071
- Light Burgundy #A8415B ΔE 0.073
- Dark Pink #CB416B ΔE 0.076
- Light Eggplant #894585 ΔE 0.078
- Red Violet #9E0168 ΔE 0.079
- Dark Rose #B5485D ΔE 0.080
Use #B13684 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.