#7B1C55
Closest named color: Velvet (#750851). oklch(40.4% 0.141 348.6), rgb(123, 28, 85).
Aa
White text reads best on this color (9.81:1).
About this color
#7B1C55 is a dark, vivid red. In OKLCH its lightness is 40%, its chroma 0.141 and its hue 349°. Its hue sits on the warm side of the wheel. The nearest named color is Velvet (#750851), ΔE 0.029 away. White text reads best on it, at 9.81:1.
| Hue family | Reds |
| Lightness | dark (40%) |
| Chroma | vivid (0.141) |
| Temperature | warm |
| Nearest name | Velvet (#750851) |
| Black text | 2.13:1 |
| White text | 9.81:1 |
Values
| HEX | #7B1C55 |
| RGB | rgb(123, 28, 85) |
| HSL | hsl(324, 63%, 30%) |
| OKLCH | oklch(40.4% 0.141 348.6) |
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 #7B1C55 | 9.81:1 | AAA | Lc -96.0 | Preferred for body text |
| Black text on #7B1C55 | 2.13:1 | Fails | Lc 12.3 | Not readable |
| #7B1C55 text on white | 9.81:1 | AAA | Lc 91.7 | Preferred for body text |
| #7B1C55 text on black | 2.13:1 | Fails | Lc -10.7 | Not readable |
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 800.
-
Step 50
50
#FCF3F7
oklch(97.2% 0.011 348.4)
-
Step 100
100
#F7E4EC
oklch(93.6% 0.023 350.1)
-
Step 200
200
#F2CDDE
oklch(88.5% 0.047 348.7)
-
Step 300
300
#EAABC9
oklch(80.9% 0.083 349)
-
Step 400
400
#DC7CAE
oklch(70.6% 0.132 348.5)
-
Step 500
500
#D0579A
oklch(63.1% 0.169 348.7)
-
Step 600
600
#BB3885
oklch(55.7% 0.183 348.5)
-
Step 700
700
#A12970
oklch(49.2% 0.17 348.9)
-
Step 800
800 (this color)
#7B1C55
oklch(40.4% 0.141 348.6)
-
Step 900
900
#69234B
oklch(37.6% 0.11 348.4)
-
Step 950
950
#3E162C
oklch(27% 0.069 348.6)
#7B1C55 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) | #2B3957 | 0.157 |
| Deuteranopia (no green cones) | #464A53 | 0.140 |
| Tritanopia (no blue cones) | #841736 | 0.055 |
| Achromatopsia (no color) | #444444 | 0.142 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7B1C55
#7B1C55
oklch(40.4% 0.141 348.6)
- #005641
#005641
oklch(40.3% 0.08 169.2)
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 #7B1C55, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Velvet #750851 ΔE 0.029
- Red Purple #820747 ΔE 0.029
- Wine #80013F ΔE 0.039
- Rich Purple #720058 ΔE 0.042
- Mulberry #920A4E ΔE 0.049
- Merlot #730039 ΔE 0.053
- Red Wine #8C0034 ΔE 0.063
- Bordeaux #7B002C ΔE 0.065
Use #7B1C55 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.