#B01553
Closest named color: Raspberry (#B00149). oklch(49.5% 0.188 5.1), rgb(176, 21, 83).
Aa
White text reads best on this color (6.82:1).
About this color
#B01553 is a medium-dark, vivid red. In OKLCH its lightness is 49%, its chroma 0.188 and its hue 5°. Its hue sits on the warm side of the wheel. The nearest named color is Raspberry (#B00149), ΔE 0.016 away. White text reads best on it, at 6.82:1.
| Hue family | Reds |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.188) |
| Temperature | warm |
| Nearest name | Raspberry (#B00149) |
| Black text | 3.07:1 |
| White text | 6.82:1 |
Values
| HEX | #B01553 |
| RGB | rgb(176, 21, 83) |
| HSL | hsl(336, 79%, 39%) |
| OKLCH | oklch(49.5% 0.188 5.1) |
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 #B01553 | 6.82:1 | AA | Lc -86.8 | Fine for body text |
| Black text on #B01553 | 3.07:1 | AA large text | Lc 22.4 | Dividers and decoration only |
| #B01553 text on white | 6.82:1 | AA | Lc 81.7 | Fine for body text |
| #B01553 text on black | 3.07:1 | 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
#FDF2F4
oklch(97% 0.012 4.7)
-
Step 100
100
#FAE3E7
oklch(93.6% 0.026 5.7)
-
Step 200
200
#F8CCD4
oklch(88.5% 0.051 5.9)
-
Step 300
300
#F4A8B8
oklch(80.9% 0.092 5.5)
-
Step 400
400
#EA7694
oklch(70.7% 0.146 5.1)
-
Step 500
500
#DF4C7A
oklch(63% 0.185 5)
-
Step 600
600
#CB2563
oklch(55.7% 0.202 5.2)
-
Step 700
700 (this color)
#B01553
oklch(49.5% 0.188 5.1)
-
Step 800
800
#8E1643
oklch(42.7% 0.155 5.3)
-
Step 900
900
#721C39
oklch(37.7% 0.121 4.8)
-
Step 950
950
#431221
oklch(26.9% 0.077 5.1)
#B01553 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) | #434854 | 0.213 |
| Deuteranopia (no green cones) | #6B654F | 0.191 |
| Tritanopia (no blue cones) | #C00033 | 0.054 |
| Achromatopsia (no color) | #5B5B5B | 0.189 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B01553
#B01553
oklch(49.5% 0.188 5.1)
- #007168
#007168
oklch(49.3% 0.087 185.3)
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 #B01553, closest first.
No curated palette has a color within ΔE 0.04 of #B01553.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Raspberry #B00149 ΔE 0.016
- Violet Red #A50055 ΔE 0.032
- Rouge #AB1239 ΔE 0.038
- Rose Red #BE013C ΔE 0.042
- Deep Magenta #A0025C ΔE 0.046
- Dark Fuchsia #9D0759 ΔE 0.048
- Berry #990F4B ΔE 0.051
- Cranberry #9E003A ΔE 0.053
Use #B01553 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.