#B23A49
Closest named color: Dull Red (#BB3F3F). oklch(52.6% 0.155 17.1), rgb(178, 58, 73).
Aa
White text reads best on this color (5.84:1).
About this color
#B23A49 is a medium-dark, vivid red. In OKLCH its lightness is 53%, its chroma 0.155 and its hue 17°. Its hue sits on the warm side of the wheel. The nearest named color is Dull Red (#BB3F3F), ΔE 0.027 away. White text reads best on it, at 5.84:1.
| Hue family | Reds |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.155) |
| Temperature | warm |
| Nearest name | Dull Red (#BB3F3F) |
| Black text | 3.59:1 |
| White text | 5.84:1 |
Values
| HEX | #B23A49 |
| RGB | rgb(178, 58, 73) |
| HSL | hsl(353, 51%, 46%) |
| OKLCH | oklch(52.6% 0.155 17.1) |
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 #B23A49 | 5.84:1 | AA | Lc -83.5 | Fine for body text |
| Black text on #B23A49 | 3.59:1 | AA large text | Lc 25.8 | Dividers and decoration only |
| #B23A49 text on white | 5.84:1 | AA | Lc 78.3 | Fine for body text |
| #B23A49 text on black | 3.59:1 | AA large text | Lc -23.5 | 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
#FCF3F3
oklch(97.1% 0.01 17.3)
-
Step 100
100
#F7E5E5
oklch(93.6% 0.02 17.5)
-
Step 200
200
#F2CFD0
oklch(88.4% 0.039 16)
-
Step 300
300
#EAAFB0
oklch(80.9% 0.069 17.6)
-
Step 400
400
#DD8387
oklch(70.7% 0.111 17.4)
-
Step 500
500
#D1616A
oklch(63.1% 0.142 17.1)
-
Step 600
600 (this color)
#B23A49
oklch(52.6% 0.155 17.1)
-
Step 700
700
#A23442
oklch(49% 0.145 17)
-
Step 800
800
#842D37
oklch(42.8% 0.119 17)
-
Step 900
900
#6A292F
oklch(37.6% 0.093 17.2)
-
Step 950
950
#3F191C
oklch(27.1% 0.059 17)
#B23A49 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) | #585549 | 0.171 |
| Deuteranopia (no green cones) | #776E46 | 0.156 |
| Tritanopia (no blue cones) | #C32040 | 0.040 |
| Achromatopsia (no color) | #656565 | 0.156 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B23A49
#B23A49
oklch(52.6% 0.155 17.1)
- #007A7C
#007A7C
oklch(52.5% 0.089 196.8)
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 #B23A49, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Red #BB3F3F ΔE 0.027
- Light Burgundy #A8415B ΔE 0.030
- Dusty Red #B9484E ΔE 0.032
- Dark Rose #B5485D ΔE 0.033
- Light Maroon #A24857 ΔE 0.038
- Firebrick #B22222 ΔE 0.047
- Brown #A52A2A ΔE 0.051
- Rose Red #BE013C ΔE 0.051
Use #B23A49 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.