#B1377A
Closest named color: Medium Violet Red (#C71585). oklch(53.5% 0.171 350.6), rgb(177, 55, 122).
Aa
White text reads best on this color (5.68:1).
About this color
#B1377A is a medium-dark, vivid red. In OKLCH its lightness is 54%, its chroma 0.171 and its hue 351°. Its hue sits on the warm side of the wheel. The nearest named color is Medium Violet Red (#C71585), ΔE 0.054 away. White text reads best on it, at 5.68:1.
| Hue family | Reds |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.171) |
| Temperature | warm |
| Nearest name | Medium Violet Red (#C71585) |
| Black text | 3.69:1 |
| White text | 5.68:1 |
Values
| HEX | #B1377A |
| RGB | rgb(177, 55, 122) |
| HSL | hsl(327, 53%, 45%) |
| OKLCH | oklch(53.5% 0.171 350.6) |
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 #B1377A | 5.68:1 | AA | Lc -82.7 | Fine for body text |
| Black text on #B1377A | 3.69:1 | AA large text | Lc 26.6 | Dividers and decoration only |
| #B1377A text on white | 5.68:1 | AA | Lc 77.4 | Fine for body text |
| #B1377A text on black | 3.69:1 | AA large text | Lc -24.3 | 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
#F6E4EC
oklch(93.6% 0.022 348.8)
-
Step 200
200
#F0CEDD
oklch(88.4% 0.043 349.6)
-
Step 300
300
#E8ADC7
oklch(81% 0.076 350.8)
-
Step 400
400
#DA7FAB
oklch(70.7% 0.124 350.3)
-
Step 500
500
#CD5C96
oklch(63.2% 0.157 350.5)
-
Step 600
600 (this color)
#B1377A
oklch(53.5% 0.171 350.6)
-
Step 700
700
#9E2F6C
oklch(49.1% 0.158 350.7)
-
Step 800
800
#802858
oklch(42.6% 0.131 350.4)
-
Step 900
900
#682649
oklch(37.7% 0.103 350.3)
-
Step 950
950
#3D172A
oklch(26.9% 0.065 351.1)
#B1377A 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) | #49597C | 0.190 |
| Deuteranopia (no green cones) | #6C6F77 | 0.169 |
| Tritanopia (no blue cones) | #BE3054 | 0.062 |
| Achromatopsia (no color) | #676767 | 0.172 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B1377A
#B1377A
oklch(53.5% 0.171 350.6)
- #008165
#008165
oklch(53.7% 0.106 170.6)
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 #B1377A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Violet Red #C71585 ΔE 0.054
- Light Burgundy #A8415B ΔE 0.058
- Dark Rose #B5485D ΔE 0.065
- Dark Pink #CB416B ΔE 0.066
- Light Plum #9D5783 ΔE 0.068
- Deep Rose #C74767 ΔE 0.070
- Light Maroon #A24857 ΔE 0.075
- Warm Purple #952E8F ΔE 0.075
Use #B1377A 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.