#621B23
Closest named color: Claret (#680018). oklch(34% 0.102 18.1), rgb(98, 27, 35).
Aa
White text reads best on this color (12.35:1).
About this color
#621B23 is a dark, moderately saturated red. In OKLCH its lightness is 34%, its chroma 0.102 and its hue 18°. Its hue sits on the warm side of the wheel. The nearest named color is Claret (#680018), ΔE 0.032 away. White text reads best on it, at 12.35:1.
| Hue family | Reds |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.102) |
| Temperature | warm |
| Nearest name | Claret (#680018) |
| Black text | 1.70:1 |
| White text | 12.35:1 |
Values
| HEX | #621B23 |
| RGB | rgb(98, 27, 35) |
| HSL | hsl(353, 57%, 25%) |
| OKLCH | oklch(34% 0.102 18.1) |
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 #621B23 | 12.35:1 | AAA | Lc -100.9 | Preferred for body text |
| Black text on #621B23 | 1.70:1 | Fails | Lc 0.0 | Not readable |
| #621B23 text on white | 12.35:1 | AAA | Lc 97.3 | Preferred for body text |
| #621B23 text on black | 1.70:1 | 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
#FCF3F3
oklch(97.1% 0.01 17.3)
-
Step 100
100
#F8E4E4
oklch(93.5% 0.022 17.6)
-
Step 200
200
#F4CFCE
oklch(88.6% 0.042 19.8)
-
Step 300
300
#EEADAE
oklch(80.9% 0.077 17.9)
-
Step 400
400
#E27F83
oklch(70.6% 0.122 18.1)
-
Step 500
500
#D75B65
oklch(63.1% 0.156 17.9)
-
Step 600
600
#C23C4C
oklch(55.5% 0.17 17.9)
-
Step 700
700
#A72D3D
oklch(49% 0.157 18.1)
-
Step 800
800
#882733
oklch(42.7% 0.131 17.7)
-
Step 900
900 (this color)
#621B23
oklch(34% 0.102 18.1)
-
Step 950
950
#41171A
oklch(27.1% 0.065 18.2)
#621B23 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) | #2D2B23 | 0.112 |
| Deuteranopia (no green cones) | #3F3A21 | 0.103 |
| Tritanopia (no blue cones) | #6C0A1E | 0.027 |
| Achromatopsia (no color) | #353535 | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #621B23
#621B23
oklch(34% 0.102 18.1)
- #004143
#004143
oklch(34.1% 0.058 198.3)
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 #621B23, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Claret #680018 ΔE 0.032
- Reddy Brown #6E1005 ΔE 0.038
- Burgundy #610023 ΔE 0.038
- Blood #770001 ΔE 0.053
- Wine Red #7B0323 ΔE 0.055
- Bordeaux #7B002C ΔE 0.059
- Merlot #730039 ΔE 0.061
- Chestnut #742802 ΔE 0.065
Use #621B23 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.