#621523
Closest named color: Claret (#680018). oklch(33.3% 0.109 15.4), rgb(98, 21, 35).
Aa
White text reads best on this color (12.72:1).
About this color
#621523 is a dark, moderately saturated red. In OKLCH its lightness is 33%, its chroma 0.109 and its hue 15°. Its hue sits on the warm side of the wheel. The nearest named color is Claret (#680018), ΔE 0.024 away. White text reads best on it, at 12.72:1.
| Hue family | Reds |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.109) |
| Temperature | warm |
| Nearest name | Claret (#680018) |
| Black text | 1.65:1 |
| White text | 12.72:1 |
Values
| HEX | #621523 |
| RGB | rgb(98, 21, 35) |
| HSL | hsl(349, 65%, 23%) |
| OKLCH | oklch(33.3% 0.109 15.4) |
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 #621523 | 12.72:1 | AAA | Lc -101.3 | Preferred for body text |
| Black text on #621523 | 1.65:1 | Fails | Lc 0.0 | Not readable |
| #621523 text on white | 12.72:1 | AAA | Lc 97.8 | Preferred for body text |
| #621523 text on black | 1.65:1 | 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
#FDF3F3
oklch(97.2% 0.011 17.3)
-
Step 100
100
#F9E4E5
oklch(93.6% 0.023 14.3)
-
Step 200
200
#F6CECF
oklch(88.6% 0.045 16.3)
-
Step 300
300
#F1ABAF
oklch(80.9% 0.083 15.3)
-
Step 400
400
#E67C86
oklch(70.7% 0.131 15)
-
Step 500
500
#DB5668
oklch(63.1% 0.167 15.1)
-
Step 600
600
#C6354F
oklch(55.5% 0.181 15.4)
-
Step 700
700
#AB2540
oklch(49.1% 0.169 15.3)
-
Step 800
800
#8B2235
oklch(42.8% 0.14 15.4)
-
Step 900
900 (this color)
#621523
oklch(33.3% 0.109 15.4)
-
Step 950
950
#42151B
oklch(27% 0.07 15.1)
#621523 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) | #2A2823 | 0.120 |
| Deuteranopia (no green cones) | #3E3821 | 0.109 |
| Tritanopia (no blue cones) | #6C001B | 0.027 |
| Achromatopsia (no color) | #333333 | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #621523
#621523
oklch(33.3% 0.109 15.4)
- #003F3F
#003F3F
oklch(33.3% 0.057 194.8)
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 #621523, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Claret #680018 ΔE 0.024
- Burgundy #610023 ΔE 0.027
- Reddy Brown #6E1005 ΔE 0.041
- Wine Red #7B0323 ΔE 0.054
- Blood #770001 ΔE 0.054
- Merlot #730039 ΔE 0.056
- Bordeaux #7B002C ΔE 0.057
- Maroon #800000 ΔE 0.071
Use #621523 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.