#B00151
Closest named color: Raspberry (#B00149). oklch(48.7% 0.195 4.9), rgb(176, 1, 81).
Aa
White text reads best on this color (7.07:1).
About this color
#B00151 is a medium-dark, vivid red. In OKLCH its lightness is 49%, its chroma 0.195 and its hue 5°. Its hue sits on the warm side of the wheel. The nearest named color is Raspberry (#B00149), ΔE 0.012 away. White text reads best on it, at 7.07:1.
| Hue family | Reds |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.195) |
| Temperature | warm |
| Nearest name | Raspberry (#B00149) |
| Black text | 2.96:1 |
| White text | 7.07:1 |
Values
| HEX | #B00151 |
| RGB | rgb(176, 1, 81) |
| HSL | hsl(333, 99%, 35%) |
| OKLCH | oklch(48.7% 0.195 4.9) |
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 #B00151 | 7.07:1 | AAA | Lc -87.1 | Fine for body text |
| Black text on #B00151 | 2.96:1 | Fails | Lc 22.0 | Dividers and decoration only |
| #B00151 text on white | 7.07:1 | AAA | Lc 82.0 | Fine for body text |
| #B00151 text on black | 2.96:1 | Fails | Lc -19.8 | 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
#FBE3E7
oklch(93.6% 0.027 6.2)
-
Step 200
200
#F9CBD4
oklch(88.4% 0.053 5.1)
-
Step 300
300
#F5A7B8
oklch(80.8% 0.094 5.1)
-
Step 400
400
#EC7494
oklch(70.7% 0.151 4.9)
-
Step 500
500
#E2487A
oklch(63.1% 0.193 4.8)
-
Step 600
600
#CE1C63
oklch(55.7% 0.21 5)
-
Step 700
700 (this color)
#B00151
oklch(48.7% 0.195 4.9)
-
Step 800
800
#900F43
oklch(42.7% 0.162 4.9)
-
Step 900
900
#741939
oklch(37.7% 0.127 4.7)
-
Step 950
950
#441121
oklch(26.9% 0.079 5)
#B00151 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) | #3F4452 | 0.223 |
| Deuteranopia (no green cones) | #69634D | 0.199 |
| Tritanopia (no blue cones) | #C1002E | 0.062 |
| Achromatopsia (no color) | #585858 | 0.197 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B00151
#B00151
oklch(48.7% 0.195 4.9)
- #006F66
#006F66
oklch(48.7% 0.086 185.1)
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 #B00151, closest first.
No curated palette has a color within ΔE 0.04 of #B00151.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Raspberry #B00149 ΔE 0.012
- Violet Red #A50055 ΔE 0.026
- Rouge #AB1239 ΔE 0.039
- Deep Magenta #A0025C ΔE 0.041
- Dark Fuchsia #9D0759 ΔE 0.044
- Rose Red #BE013C ΔE 0.045
- Berry #990F4B ΔE 0.048
- Cranberry #9E003A ΔE 0.050
Use #B00151 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.