#BF2551
Closest named color: Ruby (#CA0147). oklch(53.1% 0.189 10.7), rgb(191, 37, 81).
Aa
White text reads best on this color (5.83:1).
About this color
#BF2551 is a medium-dark, vivid red. In OKLCH its lightness is 53%, its chroma 0.189 and its hue 11°. Its hue sits on the warm side of the wheel. The nearest named color is Ruby (#CA0147), ΔE 0.027 away. White text reads best on it, at 5.83:1.
| Hue family | Reds |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.189) |
| Temperature | warm |
| Nearest name | Ruby (#CA0147) |
| Black text | 3.59:1 |
| White text | 5.83:1 |
Values
| HEX | #BF2551 |
| RGB | rgb(191, 37, 81) |
| HSL | hsl(343, 68%, 45%) |
| OKLCH | oklch(53.1% 0.189 10.7) |
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 #BF2551 | 5.83:1 | AA | Lc -82.9 | Fine for body text |
| Black text on #BF2551 | 3.59:1 | AA large text | Lc 26.5 | Dividers and decoration only |
| #BF2551 text on white | 5.83:1 | AA | Lc 77.6 | Fine for body text |
| #BF2551 text on black | 3.59:1 | AA large text | Lc -24.2 | 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 600.
-
Step 50
50
#FDF2F3
oklch(97% 0.012 11)
-
Step 100
100
#FAE4E6
oklch(93.7% 0.024 11.3)
-
Step 200
200
#F6CDD1
oklch(88.4% 0.047 11.4)
-
Step 300
300
#F2AAB3
oklch(80.9% 0.085 10.9)
-
Step 400
400
#E77A8C
oklch(70.7% 0.135 10.7)
-
Step 500
500
#DD5270
oklch(63.1% 0.174 10.5)
-
Step 600
600 (this color)
#BF2551
oklch(53.1% 0.189 10.7)
-
Step 700
700
#AC1F48
oklch(49% 0.175 10.6)
-
Step 800
800
#8C1E3B
oklch(42.7% 0.145 11)
-
Step 900
900
#712033
oklch(37.8% 0.114 10.6)
-
Step 950
950
#42141E
oklch(26.9% 0.072 10)
#BF2551 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) | #515152 | 0.211 |
| Deuteranopia (no green cones) | #78704D | 0.192 |
| Tritanopia (no blue cones) | #D10039 | 0.044 |
| Achromatopsia (no color) | #656565 | 0.190 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BF2551
#BF2551
oklch(53.1% 0.189 10.7)
- #007C78
#007C78
oklch(52.9% 0.091 190.8)
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 #BF2551, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ruby #CA0147 ΔE 0.027
- Rose Red #BE013C ΔE 0.031
- Lipstick Red #C0022F ΔE 0.042
- Lipstick #D5174E ΔE 0.043
- Cherry #CF0234 ΔE 0.045
- Raspberry #B00149 ΔE 0.047
- Dark Rose #B5485D ΔE 0.051
- Dull Red #BB3F3F ΔE 0.051
Use #BF2551 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.