#B7307E
Closest named color: Medium Violet Red (#C71585). oklch(54% 0.186 349.8), rgb(183, 48, 126).
Aa
White text reads best on this color (5.61:1).
About this color
#B7307E is a medium-dark, vivid red. In OKLCH its lightness is 54%, its chroma 0.186 and its hue 350°. Its hue sits on the warm side of the wheel. The nearest named color is Medium Violet Red (#C71585), ΔE 0.038 away. White text reads best on it, at 5.61:1.
| Hue family | Reds |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.186) |
| Temperature | warm |
| Nearest name | Medium Violet Red (#C71585) |
| Black text | 3.73:1 |
| White text | 5.61:1 |
Values
| HEX | #B7307E |
| RGB | rgb(183, 48, 126) |
| HSL | hsl(325, 58%, 45%) |
| OKLCH | oklch(54% 0.186 349.8) |
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 #B7307E | 5.61:1 | AA | Lc -82.2 | Fine for body text |
| Black text on #B7307E | 3.73:1 | AA large text | Lc 27.2 | Dividers and decoration only |
| #B7307E text on white | 5.61:1 | AA | Lc 76.9 | Fine for body text |
| #B7307E text on black | 3.73:1 | 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
#FCF3F6
oklch(97.2% 0.01 354.9)
-
Step 100
100
#F7E4EC
oklch(93.6% 0.023 350.1)
-
Step 200
200
#F2CDDD
oklch(88.4% 0.046 350.2)
-
Step 300
300
#EBABC8
oklch(80.9% 0.083 350.3)
-
Step 400
400
#DE7CAD
oklch(70.8% 0.134 349.7)
-
Step 500
500
#D15698
oklch(63% 0.17 349.8)
-
Step 600
600 (this color)
#B7307E
oklch(54% 0.186 349.8)
-
Step 700
700
#A2276F
oklch(49.1% 0.172 349.6)
-
Step 800
800
#84225A
oklch(42.7% 0.144 349.9)
-
Step 900
900
#6A234A
oklch(37.7% 0.111 349.7)
-
Step 950
950
#3F152B
oklch(27% 0.072 350.4)
#B7307E 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) | #465880 | 0.207 |
| Deuteranopia (no green cones) | #6D707B | 0.183 |
| Tritanopia (no blue cones) | #C42853 | 0.070 |
| Achromatopsia (no color) | #676767 | 0.188 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B7307E
#B7307E
oklch(54% 0.186 349.8)
- #008265
#008265
oklch(54% 0.107 170.1)
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 #B7307E, closest first.
No curated palette has a color within ΔE 0.04 of #B7307E.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Violet Red #C71585 ΔE 0.038
- Dark Pink #CB416B ΔE 0.067
- Light Burgundy #A8415B ΔE 0.072
- Deep Rose #C74767 ΔE 0.074
- Dark Hot Pink #D90166 ΔE 0.075
- Dark Rose #B5485D ΔE 0.076
- Warm Purple #952E8F ΔE 0.078
- Red Violet #9E0168 ΔE 0.078
Use #B7307E 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.