#B13770
Closest named color: Light Burgundy (#A8415B). oklch(53.2% 0.166 355.6), rgb(177, 55, 112).
Aa
White text reads best on this color (5.75:1).
About this color
#B13770 is a medium-dark, vivid red. In OKLCH its lightness is 53%, its chroma 0.166 and its hue 356°. Its hue sits on the warm side of the wheel. The nearest named color is Light Burgundy (#A8415B), ΔE 0.044 away. White text reads best on it, at 5.75:1.
| Hue family | Reds |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.166) |
| Temperature | warm |
| Nearest name | Light Burgundy (#A8415B) |
| Black text | 3.64:1 |
| White text | 5.75:1 |
Values
| HEX | #B13770 |
| RGB | rgb(177, 55, 112) |
| HSL | hsl(332, 53%, 45%) |
| OKLCH | oklch(53.2% 0.166 355.6) |
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 #B13770 | 5.75:1 | AA | Lc -83.1 | Fine for body text |
| Black text on #B13770 | 3.64:1 | AA large text | Lc 26.3 | Dividers and decoration only |
| #B13770 text on white | 5.75:1 | AA | Lc 77.8 | Fine for body text |
| #B13770 text on black | 3.64:1 | AA large text | Lc -24.0 | 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
#F7E4EA
oklch(93.6% 0.022 356.3)
-
Step 200
200
#F1CEDA
oklch(88.4% 0.042 355.3)
-
Step 300
300
#E9ADC2
oklch(80.9% 0.075 356.1)
-
Step 400
400
#DB80A3
oklch(70.7% 0.119 356)
-
Step 500
500
#CE5C8D
oklch(63% 0.153 355.5)
-
Step 600
600 (this color)
#B13770
oklch(53.2% 0.166 355.6)
-
Step 700
700
#9F3064
oklch(49.1% 0.154 355.6)
-
Step 800
800
#812952
oklch(42.6% 0.128 355.2)
-
Step 900
900
#682744
oklch(37.7% 0.099 355.1)
-
Step 950
950
#3D1828
oklch(27% 0.062 354.9)
#B13770 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) | #4D5872 | 0.185 |
| Deuteranopia (no green cones) | #6E6E6D | 0.167 |
| Tritanopia (no blue cones) | #BF2C4F | 0.054 |
| Achromatopsia (no color) | #666666 | 0.167 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B13770
#B13770
oklch(53.2% 0.166 355.6)
- #007F6A
#007F6A
oklch(53.3% 0.1 175.7)
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 #B13770, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Burgundy #A8415B ΔE 0.044
- Dark Rose #B5485D ΔE 0.052
- Dark Pink #CB416B ΔE 0.060
- Light Maroon #A24857 ΔE 0.062
- Deep Rose #C74767 ΔE 0.062
- Medium Violet Red #C71585 ΔE 0.063
- Raspberry #B00149 ΔE 0.067
- Light Plum #9D5783 ΔE 0.068
Use #B13770 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.