#B30643
Closest named color: Raspberry (#B00149). oklch(49.1% 0.194 11.8), rgb(179, 6, 67).
Aa
White text reads best on this color (6.94:1).
About this color
#B30643 is a medium-dark, vivid red. In OKLCH its lightness is 49%, its chroma 0.194 and its hue 12°. Its hue sits on the warm side of the wheel. The nearest named color is Raspberry (#B00149), ΔE 0.013 away. White text reads best on it, at 6.94:1.
| Hue family | Reds |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.194) |
| Temperature | warm |
| Nearest name | Raspberry (#B00149) |
| Black text | 3.02:1 |
| White text | 6.94:1 |
Values
| HEX | #B30643 |
| RGB | rgb(179, 6, 67) |
| HSL | hsl(339, 94%, 36%) |
| OKLCH | oklch(49.1% 0.194 11.8) |
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 #B30643 | 6.94:1 | AA | Lc -86.8 | Fine for body text |
| Black text on #B30643 | 3.02:1 | AA large text | Lc 22.4 | Dividers and decoration only |
| #B30643 text on white | 6.94:1 | AA | Lc 81.7 | Fine for body text |
| #B30643 text on black | 3.02:1 | AA large text | Lc -20.2 | 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
#FEF2F3
oklch(97.1% 0.013 11.5)
-
Step 100
100
#FBE3E5
oklch(93.6% 0.026 11.9)
-
Step 200
200
#F9CCD0
oklch(88.5% 0.051 12.1)
-
Step 300
300
#F6A8B1
oklch(80.9% 0.093 11.7)
-
Step 400
400
#EE7588
oklch(70.8% 0.15 11.8)
-
Step 500
500
#E4496B
oklch(63.1% 0.191 11.6)
-
Step 600
600
#CF1D52
oklch(55.5% 0.208 11.9)
-
Step 700
700 (this color)
#B30643
oklch(49.1% 0.194 11.8)
-
Step 800
800
#911037
oklch(42.6% 0.16 11.8)
-
Step 900
900
#751A30
oklch(37.8% 0.125 11.8)
-
Step 950
950
#45111C
oklch(27% 0.08 11.7)
#B30643 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) | #454444 | 0.218 |
| Deuteranopia (no green cones) | #6D653F | 0.198 |
| Tritanopia (no blue cones) | #C50027 | 0.052 |
| Achromatopsia (no color) | #5A5A5A | 0.195 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B30643
#B30643
oklch(49.1% 0.194 11.8)
- #006F6D
#006F6D
oklch(49% 0.084 192.6)
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 #B30643, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Raspberry #B00149 ΔE 0.013
- Rouge #AB1239 ΔE 0.022
- Rose Red #BE013C ΔE 0.025
- Lipstick Red #C0022F ΔE 0.038
- Violet Red #A50055 ΔE 0.045
- Cranberry #9E003A ΔE 0.047
- Ruby #CA0147 ΔE 0.048
- Firebrick #B22222 ΔE 0.051
Use #B30643 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.