#B21A49
Closest named color: Raspberry (#B00149). oklch(49.8% 0.184 10.6), rgb(178, 26, 73).
Aa
White text reads best on this color (6.69:1).
About this color
#B21A49 is a medium-dark, vivid red. In OKLCH its lightness is 50%, its chroma 0.184 and its hue 11°. Its hue sits on the warm side of the wheel. The nearest named color is Raspberry (#B00149), ΔE 0.018 away. White text reads best on it, at 6.69:1.
| Hue family | Reds |
| Lightness | medium-dark (50%) |
| Chroma | vivid (0.184) |
| Temperature | warm |
| Nearest name | Raspberry (#B00149) |
| Black text | 3.13:1 |
| White text | 6.69:1 |
Values
| HEX | #B21A49 |
| RGB | rgb(178, 26, 73) |
| HSL | hsl(341, 75%, 40%) |
| OKLCH | oklch(49.8% 0.184 10.6) |
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 #B21A49 | 6.69:1 | AA | Lc -86.4 | Fine for body text |
| Black text on #B21A49 | 3.13:1 | AA large text | Lc 22.8 | Dividers and decoration only |
| #B21A49 text on white | 6.69:1 | AA | Lc 81.3 | Fine for body text |
| #B21A49 text on black | 3.13:1 | 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
#FDF2F3
oklch(97% 0.012 11)
-
Step 100
100
#FBE3E6
oklch(93.6% 0.027 9)
-
Step 200
200
#F8CCD1
oklch(88.4% 0.05 10.5)
-
Step 300
300
#F4A9B3
oklch(80.9% 0.089 10.5)
-
Step 400
400
#EA778B
oklch(70.6% 0.143 10.5)
-
Step 500
500
#E04E6F
oklch(63.1% 0.182 10.4)
-
Step 600
600
#CB2757
oklch(55.5% 0.198 10.4)
-
Step 700
700 (this color)
#B21A49
oklch(49.8% 0.184 10.6)
-
Step 800
800
#8E183A
oklch(42.6% 0.152 10.7)
-
Step 900
900
#731D32
oklch(37.8% 0.12 10.8)
-
Step 950
950
#44131D
oklch(27.1% 0.076 11.4)
#B21A49 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) | #48484A | 0.207 |
| Deuteranopia (no green cones) | #6E6745 | 0.189 |
| Tritanopia (no blue cones) | #C30030 | 0.045 |
| Achromatopsia (no color) | #5C5C5C | 0.186 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B21A49
#B21A49
oklch(49.8% 0.184 10.6)
- #00726E
#00726E
oklch(49.8% 0.086 190.5)
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 #B21A49, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Raspberry #B00149 ΔE 0.018
- Rouge #AB1239 ΔE 0.026
- Rose Red #BE013C ΔE 0.028
- Lipstick Red #C0022F ΔE 0.042
- Violet Red #A50055 ΔE 0.046
- Ruby #CA0147 ΔE 0.047
- Firebrick #B22222 ΔE 0.052
- Cranberry #9E003A ΔE 0.053
Use #B21A49 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.