#621F43
Closest named color: Grape Purple (#5D1451). oklch(35.5% 0.105 350.5), rgb(98, 31, 67).
Aa
White text reads best on this color (11.69:1).
About this color
#621F43 is a dark, moderately saturated red. In OKLCH its lightness is 36%, its chroma 0.105 and its hue 351°. Its hue sits on the warm side of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.040 away. White text reads best on it, at 11.69:1.
| Hue family | Reds |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.105) |
| Temperature | warm |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.79:1 |
| White text | 11.69:1 |
Values
| HEX | #621F43 |
| RGB | rgb(98, 31, 67) |
| HSL | hsl(328, 52%, 25%) |
| OKLCH | oklch(35.5% 0.105 350.5) |
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 #621F43 | 11.69:1 | AAA | Lc -99.9 | Preferred for body text |
| Black text on #621F43 | 1.79:1 | Fails | Lc 7.7 | Not readable |
| #621F43 text on white | 11.69:1 | AAA | Lc 96.2 | Preferred for body text |
| #621F43 text on black | 1.79:1 | 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
#FBF3F6
oklch(97.1% 0.009 352.4)
-
Step 100
100
#F7E4EC
oklch(93.6% 0.023 350.1)
-
Step 200
200
#F1CEDD
oklch(88.5% 0.044 350.3)
-
Step 300
300
#E9ACC7
oklch(80.9% 0.079 350.8)
-
Step 400
400
#DB7EAB
oklch(70.7% 0.126 350.4)
-
Step 500
500
#CF5A96
oklch(63.2% 0.161 350.8)
-
Step 600
600
#BA3B81
oklch(55.6% 0.176 350.4)
-
Step 700
700
#A02C6D
oklch(49.2% 0.164 350.4)
-
Step 800
800
#822759
oklch(42.8% 0.135 350.4)
-
Step 900
900 (this color)
#621F43
oklch(35.5% 0.105 350.5)
-
Step 950
950
#3E172B
oklch(27.1% 0.067 350.5)
#621F43 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) | #283144 | 0.117 |
| Deuteranopia (no green cones) | #3B3D41 | 0.105 |
| Tritanopia (no blue cones) | #691C2E | 0.038 |
| Achromatopsia (no color) | #383838 | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #621F43
#621F43
oklch(35.5% 0.105 350.5)
- #004737
#004737
oklch(35.4% 0.069 171.4)
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 #621F43, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.040
- Merlot #730039 ΔE 0.046
- Velvet #750851 ΔE 0.053
- Burgundy #610023 ΔE 0.059
- Rich Purple #720058 ΔE 0.061
- Bordeaux #7B002C ΔE 0.065
- Wine #80013F ΔE 0.065
- Red Purple #820747 ΔE 0.069
Use #621F43 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.