#B33683
Closest named color: Medium Violet Red (#C71585). oklch(54.1% 0.178 346.8), rgb(179, 54, 131).
Aa
White text reads best on this color (5.56:1).
About this color
#B33683 is a medium-dark, vivid red. In OKLCH its lightness is 54%, its chroma 0.178 and its hue 347°. 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 5.56:1.
| Hue family | Reds |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.178) |
| Temperature | warm |
| Nearest name | Medium Violet Red (#C71585) |
| Black text | 3.77:1 |
| White text | 5.56:1 |
Values
| HEX | #B33683 |
| RGB | rgb(179, 54, 131) |
| HSL | hsl(323, 54%, 46%) |
| OKLCH | oklch(54.1% 0.178 346.8) |
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 #B33683 | 5.56:1 | AA | Lc -82.1 | Fine for body text |
| Black text on #B33683 | 3.77:1 | AA large text | Lc 27.3 | Dividers and decoration only |
| #B33683 text on white | 5.56:1 | AA | Lc 76.8 | Fine for body text |
| #B33683 text on black | 3.77:1 | AA large text | Lc -24.9 | 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
#E8ACCB
oklch(80.9% 0.08 346.7)
-
Step 400
400
#DA7EB0
oklch(70.7% 0.128 347.1)
-
Step 500
500
#CD5A9D
oklch(63.2% 0.164 346.8)
-
Step 600
600 (this color)
#B33683
oklch(54.1% 0.178 346.8)
-
Step 700
700
#9E2C73
oklch(49.1% 0.166 346.7)
-
Step 800
800
#81265D
oklch(42.7% 0.138 347.3)
-
Step 900
900
#68254D
oklch(37.8% 0.108 346.6)
-
Step 950
950
#3D172D
oklch(27.1% 0.067 346.7)
#B33683 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) | #465A85 | 0.197 |
| Deuteranopia (no green cones) | #6B7080 | 0.174 |
| Tritanopia (no blue cones) | #BF3258 | 0.071 |
| Achromatopsia (no color) | #686868 | 0.180 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B33683
#B33683
oklch(54.1% 0.178 346.8)
- #008361
#008361
oklch(54.1% 0.111 166.9)
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 #B33683, closest first.
No curated palette has a color within ΔE 0.04 of #B33683.
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 0.071
- Light Plum #9D5783 ΔE 0.072
- Dark Pink #CB416B ΔE 0.072
- Light Burgundy #A8415B ΔE 0.072
- Dark Rose #B5485D ΔE 0.077
- Deep Rose #C74767 ΔE 0.078
- Red Violet #9E0168 ΔE 0.081
Use #B33683 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.