#63023B
Closest named color: Merlot (#730039). oklch(32.9% 0.134 352.9), rgb(99, 2, 59).
Aa
White text reads best on this color (13.10:1).
About this color
#63023B is a dark, moderately saturated red. In OKLCH its lightness is 33%, its chroma 0.134 and its hue 353°. Its hue sits on the warm side of the wheel. The nearest named color is Merlot (#730039), ΔE 0.038 away. White text reads best on it, at 13.10:1.
| Hue family | Reds |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.134) |
| Temperature | warm |
| Nearest name | Merlot (#730039) |
| Black text | 1.60:1 |
| White text | 13.10:1 |
Values
| HEX | #63023B |
| RGB | rgb(99, 2, 59) |
| HSL | hsl(325, 96%, 20%) |
| OKLCH | oklch(32.9% 0.134 352.9) |
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 #63023B | 13.10:1 | AAA | Lc -101.2 | Preferred for body text |
| Black text on #63023B | 1.60:1 | Fails | Lc 0.0 | Not readable |
| #63023B text on white | 13.10:1 | AAA | Lc 97.7 | Preferred for body text |
| #63023B text on black | 1.60:1 | Fails | Lc 0.0 | 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 900.
-
Step 50
50
#FDF2F6
oklch(97.1% 0.013 353.1)
-
Step 100
100
#FBE2EB
oklch(93.6% 0.03 353.9)
-
Step 200
200
#F8CBDC
oklch(88.6% 0.055 353.6)
-
Step 300
300
#F4A6C6
oklch(81% 0.1 353.3)
-
Step 400
400
#EA71A9
oklch(70.6% 0.161 353)
-
Step 500
500
#E04494
oklch(63.2% 0.205 353.1)
-
Step 600
600
#CB117F
oklch(55.7% 0.223 352.8)
-
Step 700
700
#AD006B
oklch(49% 0.203 352.6)
-
Step 800
800
#8E0757
oklch(42.7% 0.172 352.9)
-
Step 900
900 (this color)
#63023B
oklch(32.9% 0.134 352.9)
-
Step 950
950
#43102A
oklch(27% 0.084 352.8)
#63023B 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) | #1B263C | 0.152 |
| Deuteranopia (no green cones) | #363639 | 0.132 |
| Tritanopia (no blue cones) | #6C0020 | 0.052 |
| Achromatopsia (no color) | #303030 | 0.135 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63023B
#63023B
oklch(32.9% 0.134 352.9)
- #003F32
#003F32
oklch(32.8% 0.063 173.5)
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 #63023B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Merlot #730039 ΔE 0.038
- Burgundy #610023 ΔE 0.041
- Grape Purple #5D1451 ΔE 0.042
- Velvet #750851 ΔE 0.054
- Rich Purple #720058 ΔE 0.058
- Claret #680018 ΔE 0.059
- Bordeaux #7B002C ΔE 0.064
- Plum Purple #4E0550 ΔE 0.065
Use #63023B 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.