#904CA9
Closest named color: Purply (#983FB2). oklch(53.7% 0.155 316.2), rgb(144, 76, 169).
Aa
White text reads best on this color (5.53:1).
About this color
#904CA9 is a medium-dark, vivid purple. In OKLCH its lightness is 54%, its chroma 0.155 and its hue 316°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Purply (#983FB2), ΔE 0.033 away. White text reads best on it, at 5.53:1.
| Hue family | Purples |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.155) |
| Temperature | in between |
| Nearest name | Purply (#983FB2) |
| Black text | 3.79:1 |
| White text | 5.53:1 |
Values
| HEX | #904CA9 |
| RGB | rgb(144, 76, 169) |
| HSL | hsl(284, 38%, 48%) |
| OKLCH | oklch(53.7% 0.155 316.2) |
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 #904CA9 | 5.53:1 | AA | Lc -82.6 | Fine for body text |
| Black text on #904CA9 | 3.79:1 | AA large text | Lc 26.8 | Dividers and decoration only |
| #904CA9 text on white | 5.53:1 | AA | Lc 77.3 | Fine for body text |
| #904CA9 text on black | 3.79:1 | AA large text | Lc -24.5 | Dividers and decoration only |
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 600.
-
Step 50
50
#F8F4FA
oklch(97.2% 0.009 314.8)
-
Step 100
100
#EFE6F3
oklch(93.6% 0.02 315.7)
-
Step 200
200
#E3D2EB
oklch(88.5% 0.038 315.1)
-
Step 300
300
#D3B3DF
oklch(80.9% 0.07 316.8)
-
Step 400
400
#BC8BCF
oklch(70.8% 0.11 316.3)
-
Step 500
500
#AB6CC3
oklch(63.2% 0.142 316.2)
-
Step 600
600 (this color)
#904CA9
oklch(53.7% 0.155 316.2)
-
Step 700
700
#804296
oklch(49.2% 0.143 316.5)
-
Step 800
800
#68377A
oklch(42.8% 0.119 316.2)
-
Step 900
900
#543062
oklch(37.6% 0.092 315.9)
-
Step 950
950
#321D3A
oklch(27.2% 0.059 316.2)
#904CA9 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) | #3664AC | 0.140 |
| Deuteranopia (no green cones) | #4D6AA7 | 0.123 |
| Tritanopia (no blue cones) | #8F5B73 | 0.102 |
| Achromatopsia (no color) | #686868 | 0.156 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #904CA9
#904CA9
oklch(53.7% 0.155 316.2)
- #3F810D
#3F810D
oklch(53.8% 0.155 136.1)
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 #904CA9, closest first.
No curated palette has a color within ΔE 0.04 of #904CA9.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purply #983FB2 ΔE 0.033
- Deep Lavender #8D5EB7 ΔE 0.043
- Amethyst #9B5FC0 ΔE 0.056
- Light Eggplant #894585 ΔE 0.058
- Warm Purple #952E8F ΔE 0.065
- Dark Orchid #9932CC ΔE 0.074
- Muted Purple #805B87 ΔE 0.076
- Light Plum #9D5783 ΔE 0.077
Use #904CA9 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.