#621B41
Closest named color: Grape Purple (#5D1451). oklch(35% 0.11 351.3), rgb(98, 27, 65).
Aa
White text reads best on this color (11.98:1).
About this color
#621B41 is a dark, moderately saturated red. In OKLCH its lightness is 35%, its chroma 0.110 and its hue 351°. Its hue sits on the warm side of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.037 away. White text reads best on it, at 11.98:1.
| Hue family | Reds |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.110) |
| Temperature | warm |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.75:1 |
| White text | 11.98:1 |
Values
| HEX | #621B41 |
| RGB | rgb(98, 27, 65) |
| HSL | hsl(328, 57%, 25%) |
| OKLCH | oklch(35% 0.11 351.3) |
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 #621B41 | 11.98:1 | AAA | Lc -100.3 | Preferred for body text |
| Black text on #621B41 | 1.75:1 | Fails | Lc 0.0 | Not readable |
| #621B41 text on white | 11.98:1 | AAA | Lc 96.6 | Preferred for body text |
| #621B41 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
#F7E4EC
oklch(93.6% 0.023 350.1)
-
Step 200
200
#F2CDDD
oklch(88.4% 0.046 350.2)
-
Step 300
300
#EBABC7
oklch(80.9% 0.083 351.2)
-
Step 400
400
#DE7CAA
oklch(70.7% 0.132 351.5)
-
Step 500
500
#D25695
oklch(63.1% 0.17 351.4)
-
Step 600
600
#BD3780
oklch(55.7% 0.183 351.3)
-
Step 700
700
#A2276C
oklch(49% 0.171 351.1)
-
Step 800
800
#842358
oklch(42.7% 0.142 351.2)
-
Step 900
900 (this color)
#621B41
oklch(35% 0.11 351.3)
-
Step 950
950
#3F162A
oklch(27.1% 0.069 352.3)
#621B41 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) | #262E42 | 0.122 |
| Deuteranopia (no green cones) | #3A3B3F | 0.109 |
| Tritanopia (no blue cones) | #6A172B | 0.041 |
| Achromatopsia (no color) | #373737 | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #621B41
#621B41
oklch(35% 0.11 351.3)
- #004636
#004636
oklch(35.1% 0.069 171.2)
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 #621B41, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.037
- Merlot #730039 ΔE 0.042
- Velvet #750851 ΔE 0.052
- Burgundy #610023 ΔE 0.053
- Rich Purple #720058 ΔE 0.060
- Bordeaux #7B002C ΔE 0.063
- Wine #80013F ΔE 0.064
- Claret #680018 ΔE 0.065
Use #621B41 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.