#B30557
Closest named color: Raspberry (#B00149). oklch(49.6% 0.198 3.1), rgb(179, 5, 87).
Aa
White text reads best on this color (6.82:1).
About this color
#B30557 is a medium-dark, vivid red. In OKLCH its lightness is 50%, its chroma 0.198 and its hue 3°. Its hue sits on the warm side of the wheel. The nearest named color is Raspberry (#B00149), ΔE 0.021 away. White text reads best on it, at 6.82:1.
| Hue family | Reds |
| Lightness | medium-dark (50%) |
| Chroma | vivid (0.198) |
| Temperature | warm |
| Nearest name | Raspberry (#B00149) |
| Black text | 3.07:1 |
| White text | 6.82:1 |
Values
| HEX | #B30557 |
| RGB | rgb(179, 5, 87) |
| HSL | hsl(332, 95%, 36%) |
| OKLCH | oklch(49.6% 0.198 3.1) |
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 #B30557 | 6.82:1 | AA | Lc -86.4 | Fine for body text |
| Black text on #B30557 | 3.07:1 | AA large text | Lc 22.8 | Dividers and decoration only |
| #B30557 text on white | 6.82:1 | AA | Lc 81.2 | Fine for body text |
| #B30557 text on black | 3.07:1 | AA large text | Lc -20.6 | 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 700.
-
Step 50
50
#FEF2F4
oklch(97.1% 0.013 5.8)
-
Step 100
100
#FBE3E8
oklch(93.7% 0.027 3.4)
-
Step 200
200
#F9CBD6
oklch(88.5% 0.054 2.2)
-
Step 300
300
#F5A7BA
oklch(80.9% 0.095 3.5)
-
Step 400
400
#EC7397
oklch(70.6% 0.153 3)
-
Step 500
500
#E2477E
oklch(63.1% 0.195 3)
-
Step 600
600
#CE1967
oklch(55.7% 0.213 3.2)
-
Step 700
700 (this color)
#B30557
oklch(49.6% 0.198 3.1)
-
Step 800
800
#900E46
oklch(42.7% 0.163 3.2)
-
Step 900
900
#74183B
oklch(37.7% 0.128 3)
-
Step 950
950
#441122
oklch(27% 0.08 3.7)
#B30557 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) | #404758 | 0.225 |
| Deuteranopia (no green cones) | #6A6653 | 0.202 |
| Tritanopia (no blue cones) | #C30032 | 0.063 |
| Achromatopsia (no color) | #5B5B5B | 0.199 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B30557
#B30557
oklch(49.6% 0.198 3.1)
- #007267
#007267
oklch(49.6% 0.088 183.3)
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 #B30557, closest first.
No curated palette has a color within ΔE 0.04 of #B30557.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Raspberry #B00149 ΔE 0.021
- Violet Red #A50055 ΔE 0.031
- Deep Magenta #A0025C ΔE 0.044
- Rose Red #BE013C ΔE 0.047
- Rouge #AB1239 ΔE 0.048
- Dark Fuchsia #9D0759 ΔE 0.048
- Ruby #CA0147 ΔE 0.056
- Berry #990F4B ΔE 0.056
Use #B30557 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.