#B13573
Closest named color: Light Burgundy (#A8415B). oklch(53.1% 0.17 353.8), rgb(177, 53, 115).
Aa
White text reads best on this color (5.79:1).
About this color
#B13573 is a medium-dark, vivid red. In OKLCH its lightness is 53%, its chroma 0.170 and its hue 354°. Its hue sits on the warm side of the wheel. The nearest named color is Light Burgundy (#A8415B), ΔE 0.050 away. White text reads best on it, at 5.79:1.
| Hue family | Reds |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.170) |
| Temperature | warm |
| Nearest name | Light Burgundy (#A8415B) |
| Black text | 3.62:1 |
| White text | 5.79:1 |
Values
| HEX | #B13573 |
| RGB | rgb(177, 53, 115) |
| HSL | hsl(330, 54%, 45%) |
| OKLCH | oklch(53.1% 0.17 353.8) |
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 #B13573 | 5.79:1 | AA | Lc -83.2 | Fine for body text |
| Black text on #B13573 | 3.62:1 | AA large text | Lc 26.1 | Dividers and decoration only |
| #B13573 text on white | 5.79:1 | AA | Lc 78.0 | Fine for body text |
| #B13573 text on black | 3.62:1 | AA large text | Lc -23.8 | 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 600.
-
Step 50
50
#FBF3F6
oklch(97.1% 0.009 352.4)
-
Step 100
100
#F7E4EB
oklch(93.6% 0.023 353.2)
-
Step 200
200
#F1CEDB
oklch(88.5% 0.043 353.6)
-
Step 300
300
#E9ADC4
oklch(81% 0.076 354.1)
-
Step 400
400
#DB7FA6
oklch(70.7% 0.122 353.8)
-
Step 500
500
#CF5B90
oklch(63.1% 0.157 354)
-
Step 600
600 (this color)
#B13573
oklch(53.1% 0.17 353.8)
-
Step 700
700
#A02E67
oklch(49.1% 0.159 353.9)
-
Step 800
800
#822854
oklch(42.7% 0.131 354)
-
Step 900
900
#692645
oklch(37.7% 0.102 354.3)
-
Step 950
950
#3E1729
oklch(27.1% 0.066 353.5)
#B13573 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) | #4A5775 | 0.190 |
| Deuteranopia (no green cones) | #6D6E70 | 0.170 |
| Tritanopia (no blue cones) | #BF2B4F | 0.059 |
| Achromatopsia (no color) | #656565 | 0.171 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B13573
#B13573
oklch(53.1% 0.17 353.8)
- #007F67
#007F67
oklch(53.2% 0.102 173.3)
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 #B13573, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Burgundy #A8415B ΔE 0.050
- Medium Violet Red #C71585 ΔE 0.058
- Dark Rose #B5485D ΔE 0.059
- Dark Pink #CB416B ΔE 0.064
- Deep Rose #C74767 ΔE 0.067
- Light Maroon #A24857 ΔE 0.068
- Raspberry #B00149 ΔE 0.069
- Violet Red #A50055 ΔE 0.069
Use #B13573 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.