#421B44
Closest named color: Deep Violet (#490648). oklch(29.8% 0.086 325.6), rgb(66, 27, 68).
Aa
White text reads best on this color (14.26:1).
About this color
#421B44 is a dark, moderately saturated purple. In OKLCH its lightness is 30%, its chroma 0.086 and its hue 326°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Deep Violet (#490648), ΔE 0.039 away. White text reads best on it, at 14.26:1.
| Hue family | Purples |
| Lightness | dark (30%) |
| Chroma | moderately saturated (0.086) |
| Temperature | in between |
| Nearest name | Deep Violet (#490648) |
| Black text | 1.47:1 |
| White text | 14.26:1 |
Values
| HEX | #421B44 |
| RGB | rgb(66, 27, 68) |
| HSL | hsl(297, 43%, 19%) |
| OKLCH | oklch(29.8% 0.086 325.6) |
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 #421B44 | 14.26:1 | AAA | Lc -103.7 | Preferred for body text |
| Black text on #421B44 | 1.47:1 | Fails | Lc 0.0 | Not readable |
| #421B44 text on white | 14.26:1 | AAA | Lc 100.7 | Preferred for body text |
| #421B44 text on black | 1.47:1 | 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 950.
-
Step 50
50
#FAF2FA
oklch(97% 0.014 325.7)
-
Step 100
100
#F5E3F5
oklch(93.5% 0.031 325.8)
-
Step 200
200
#EDCDEE
oklch(88.5% 0.056 325.1)
-
Step 300
300
#E3AAE4
oklch(80.9% 0.101 325.9)
-
Step 400
400
#D379D7
oklch(70.7% 0.163 325.6)
-
Step 500
500
#C551CC
oklch(63.1% 0.207 325.4)
-
Step 600
600
#B12CB8
oklch(55.7% 0.225 325.8)
-
Step 700
700
#981B9F
oklch(49.2% 0.21 325.7)
-
Step 800
800
#7B1B81
oklch(42.7% 0.174 325.4)
-
Step 900
900
#631F67
oklch(37.6% 0.135 325.5)
-
Step 950
950 (this color)
#421B44
oklch(29.8% 0.086 325.6)
#421B44 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) | #162745 | 0.084 |
| Deuteranopia (no green cones) | #222C43 | 0.074 |
| Tritanopia (no blue cones) | #44202C | 0.050 |
| Achromatopsia (no color) | #2A2A2A | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #421B44
#421B44
oklch(29.8% 0.086 325.6)
- #06380E
#06380E
oklch(29.8% 0.086 145.3)
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 #421B44, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Violet #490648 ΔE 0.039
- Eggplant Purple #430541 ΔE 0.040
- Plum Purple #4E0550 ΔE 0.048
- Aubergine #3D0734 ΔE 0.049
- Eggplant #380835 ΔE 0.053
- Dark Purple #35063E ΔE 0.057
- Dark Plum #3F012C ΔE 0.062
- Deep Purple #36013F ΔE 0.062
Use #421B44 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.