#63223B
Closest named color: Merlot (#730039). oklch(35.8% 0.098 359.4), rgb(99, 34, 59).
Aa
White text reads best on this color (11.52:1).
About this color
#63223B is a dark, moderately saturated red. In OKLCH its lightness is 36%, its chroma 0.098 and its hue 359°. 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 11.52:1.
| Hue family | Reds |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.098) |
| Temperature | warm |
| Nearest name | Merlot (#730039) |
| Black text | 1.82:1 |
| White text | 11.52:1 |
Values
| HEX | #63223B |
| RGB | rgb(99, 34, 59) |
| HSL | hsl(337, 49%, 26%) |
| OKLCH | oklch(35.8% 0.098 359.4) |
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 #63223B | 11.52:1 | AAA | Lc -99.7 | Preferred for body text |
| Black text on #63223B | 1.82:1 | Fails | Lc 8.0 | Not readable |
| #63223B text on white | 11.52:1 | AAA | Lc 95.9 | Preferred for body text |
| #63223B 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
#E9ADBF
oklch(80.8% 0.074 359.2)
-
Step 400
400
#DB809E
oklch(70.6% 0.117 359.4)
-
Step 500
500
#CF5D87
oklch(63.1% 0.15 359.2)
-
Step 600
600
#BA4070
oklch(55.6% 0.162 359.6)
-
Step 700
700
#A0315E
oklch(49.1% 0.151 359.5)
-
Step 800
800
#822A4D
oklch(42.7% 0.125 359.3)
-
Step 900
900 (this color)
#63223B
oklch(35.8% 0.098 359.4)
-
Step 950
950
#3E1825
oklch(27.1% 0.062 0.5)
#63223B 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) | #2E313C | 0.107 |
| Deuteranopia (no green cones) | #3F3E39 | 0.099 |
| Tritanopia (no blue cones) | #6B1C2C | 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°).
- #63223B
#63223B
oklch(35.8% 0.098 359.4)
- #00473D
#00473D
oklch(35.6% 0.065 179.4)
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 #63223B, 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 0.055
- Grape Purple #5D1451 ΔE 0.057
- Bordeaux #7B002C ΔE 0.059
- Claret #680018 ΔE 0.059
- Purple Brown #673A3F ΔE 0.061
- Wine Red #7B0323 ΔE 0.062
- Velvet #750851 ΔE 0.064
Use #63223B 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.