#621C3E
Closest named color: Merlot (#730039). oklch(35% 0.107 354.2), rgb(98, 28, 62).
Aa
White text reads best on this color (11.96:1).
About this color
#621C3E is a dark, moderately saturated red. In OKLCH its lightness is 35%, its chroma 0.107 and its hue 354°. Its hue sits on the warm side of the wheel. The nearest named color is Merlot (#730039), ΔE 0.042 away. White text reads best on it, at 11.96:1.
| Hue family | Reds |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.107) |
| Temperature | warm |
| Nearest name | Merlot (#730039) |
| Black text | 1.75:1 |
| White text | 11.96:1 |
Values
| HEX | #621C3E |
| RGB | rgb(98, 28, 62) |
| HSL | hsl(331, 56%, 25%) |
| OKLCH | oklch(35% 0.107 354.2) |
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 #621C3E | 11.96:1 | AAA | Lc -100.3 | Preferred for body text |
| Black text on #621C3E | 1.75:1 | Fails | Lc 0.0 | Not readable |
| #621C3E text on white | 11.96:1 | AAA | Lc 96.6 | Preferred for body text |
| #621C3E text on black | 1.75:1 | 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
#FCF3F6
oklch(97.2% 0.01 354.9)
-
Step 100
100
#F7E4EB
oklch(93.6% 0.023 353.2)
-
Step 200
200
#F2CEDB
oklch(88.6% 0.044 354.3)
-
Step 300
300
#EBABC4
oklch(80.8% 0.081 353.9)
-
Step 400
400
#DE7DA6
oklch(70.7% 0.128 354.1)
-
Step 500
500
#D25890
oklch(63.1% 0.164 354.2)
-
Step 600
600
#BD397A
oklch(55.7% 0.178 354.3)
-
Step 700
700
#A22967
oklch(49% 0.166 353.8)
-
Step 800
800
#842554
oklch(42.8% 0.137 354.1)
-
Step 900
900 (this color)
#621C3E
oklch(35% 0.107 354.2)
-
Step 950
950
#3F1629
oklch(27.1% 0.069 353.7)
#621C3E 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) | #282F3F | 0.119 |
| Deuteranopia (no green cones) | #3B3B3C | 0.107 |
| Tritanopia (no blue cones) | #6A172A | 0.037 |
| Achromatopsia (no color) | #373737 | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #621C3E
#621C3E
oklch(35% 0.107 354.2)
- #004538
#004538
oklch(34.9% 0.066 174.8)
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 #621C3E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Merlot #730039 ΔE 0.042
- Grape Purple #5D1451 ΔE 0.043
- Burgundy #610023 ΔE 0.050
- Velvet #750851 ΔE 0.056
- Claret #680018 ΔE 0.060
- Bordeaux #7B002C ΔE 0.060
- Wine #80013F ΔE 0.065
- Rich Purple #720058 ΔE 0.065
Use #621C3E 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.