#B50940
Closest named color: Rose Red (#BE013C). oklch(49.5% 0.194 13.5), rgb(181, 9, 64).
Aa
White text reads best on this color (6.82:1).
About this color
#B50940 is a medium-dark, vivid red. In OKLCH its lightness is 49%, its chroma 0.194 and its hue 14°. Its hue sits on the warm side of the wheel. The nearest named color is Rose Red (#BE013C), ΔE 0.019 away. White text reads best on it, at 6.82:1.
| Hue family | Reds |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.194) |
| Temperature | warm |
| Nearest name | Rose Red (#BE013C) |
| Black text | 3.07:1 |
| White text | 6.82:1 |
Values
| HEX | #B50940 |
| RGB | rgb(181, 9, 64) |
| HSL | hsl(341, 91%, 37%) |
| OKLCH | oklch(49.5% 0.194 13.5) |
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 #B50940 | 6.82:1 | AA | Lc -86.4 | Fine for body text |
| Black text on #B50940 | 3.07:1 | AA large text | Lc 22.8 | Dividers and decoration only |
| #B50940 text on white | 6.82:1 | AA | Lc 81.3 | Fine for body text |
| #B50940 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
#FEF2F3
oklch(97.1% 0.013 11.5)
-
Step 100
100
#FCE3E4
oklch(93.6% 0.028 14.9)
-
Step 200
200
#FACCCF
oklch(88.6% 0.052 13.8)
-
Step 300
300
#F7A8AF
oklch(81% 0.094 13.5)
-
Step 400
400
#EE7585
oklch(70.7% 0.149 13.4)
-
Step 500
500
#E54966
oklch(63.1% 0.192 13.8)
-
Step 600
600
#D01D4E
oklch(55.6% 0.208 13.5)
-
Step 700
700 (this color)
#B50940
oklch(49.5% 0.194 13.5)
-
Step 800
800
#921034
oklch(42.7% 0.161 13.6)
-
Step 900
900
#751A2D
oklch(37.7% 0.124 13.9)
-
Step 950
950
#45111B
oklch(26.9% 0.08 12.9)
#B50940 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) | #474540 | 0.218 |
| Deuteranopia (no green cones) | #6F663B | 0.198 |
| Tritanopia (no blue cones) | #C70026 | 0.048 |
| Achromatopsia (no color) | #5B5B5B | 0.195 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B50940
#B50940
oklch(49.5% 0.194 13.5)
- #00716F
#00716F
oklch(49.6% 0.085 192.6)
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 #B50940, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rose Red #BE013C ΔE 0.019
- Raspberry #B00149 ΔE 0.020
- Rouge #AB1239 ΔE 0.022
- Lipstick Red #C0022F ΔE 0.031
- Ruby #CA0147 ΔE 0.044
- Firebrick #B22222 ΔE 0.046
- Scarlet #BE0119 ΔE 0.046
- Cranberry #9E003A ΔE 0.052
Use #B50940 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.