#63223A
Closest named color: Merlot (#730039). oklch(35.8% 0.097 0.3), rgb(99, 34, 58).
Aa
White text reads best on this color (11.53:1).
About this color
#63223A is a dark, moderately saturated red. In OKLCH its lightness is 36%, its chroma 0.097 and its hue 0°. Its hue sits on the warm side of the wheel. The nearest named color is Merlot (#730039), ΔE 0.048 away. White text reads best on it, at 11.53:1.
| Hue family | Reds |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.097) |
| Temperature | warm |
| Nearest name | Merlot (#730039) |
| Black text | 1.82:1 |
| White text | 11.53:1 |
Values
| HEX | #63223A |
| RGB | rgb(99, 34, 58) |
| HSL | hsl(338, 49%, 26%) |
| OKLCH | oklch(35.8% 0.097 0.3) |
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 #63223A | 11.53:1 | AAA | Lc -99.7 | Preferred for body text |
| Black text on #63223A | 1.82:1 | Fails | Lc 7.9 | Not readable |
| #63223A text on white | 11.53:1 | AAA | Lc 95.9 | Preferred for body text |
| #63223A text on black | 1.82:1 | 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
#FCF3F5
oklch(97.2% 0.01 2)
-
Step 100
100
#F7E4E9
oklch(93.5% 0.022 359.7)
-
Step 200
200
#F1CFD8
oklch(88.6% 0.04 0.2)
-
Step 300
300
#E9ADBE
oklch(80.8% 0.073 0.2)
-
Step 400
400
#DC809D
oklch(70.7% 0.118 0.3)
-
Step 500
500
#CF5D85
oklch(63% 0.15 0.3)
-
Step 600
600
#BA406F
oklch(55.5% 0.162 0.1)
-
Step 700
700
#A0315D
oklch(49.1% 0.151 0.1)
-
Step 800
800
#822A4C
oklch(42.7% 0.125 0.1)
-
Step 900
900 (this color)
#63223A
oklch(35.8% 0.097 0.3)
-
Step 950
950
#3E1825
oklch(27.1% 0.062 0.5)
#63223A 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) | #2E313B | 0.107 |
| Deuteranopia (no green cones) | #3F3E38 | 0.099 |
| Tritanopia (no blue cones) | #6B1C2B | 0.028 |
| Achromatopsia (no color) | #393939 | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63223A
#63223A
oklch(35.8% 0.097 0.3)
- #00473E
#00473E
oklch(35.7% 0.064 180.8)
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 #63223A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Merlot #730039 ΔE 0.048
- Burgundy #610023 ΔE 0.054
- Claret #680018 ΔE 0.058
- Bordeaux #7B002C ΔE 0.058
- Grape Purple #5D1451 ΔE 0.058
- Purple Brown #673A3F ΔE 0.061
- Wine Red #7B0323 ΔE 0.061
- Velvet #750851 ΔE 0.065
Use #63223A 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.