#904CB2
Closest named color: Purply (#983FB2). oklch(54.3% 0.164 313), rgb(144, 76, 178).
Aa
White text reads best on this color (5.43:1).
About this color
#904CB2 is a medium-dark, vivid purple. In OKLCH its lightness is 54%, its chroma 0.164 and its hue 313°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Purply (#983FB2), ΔE 0.028 away. White text reads best on it, at 5.43:1.
| Hue family | Purples |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.164) |
| Temperature | in between |
| Nearest name | Purply (#983FB2) |
| Black text | 3.86:1 |
| White text | 5.43:1 |
Values
| HEX | #904CB2 |
| RGB | rgb(144, 76, 178) |
| HSL | hsl(280, 40%, 50%) |
| OKLCH | oklch(54.3% 0.164 313) |
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 #904CB2 | 5.43:1 | AA | Lc -82.0 | Fine for body text |
| Black text on #904CB2 | 3.86:1 | AA large text | Lc 27.4 | Dividers and decoration only |
| #904CB2 text on white | 5.43:1 | AA | Lc 76.7 | Fine for body text |
| #904CB2 text on black | 3.86:1 | AA large text | Lc -25.1 | 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
#EFE6F4
oklch(93.6% 0.021 313.8)
-
Step 200
200
#E3D2ED
oklch(88.6% 0.041 313.2)
-
Step 300
300
#D1B3E3
oklch(80.8% 0.074 312.7)
-
Step 400
400
#BA8AD5
oklch(70.7% 0.118 312.8)
-
Step 500
500
#A96BCA
oklch(63.2% 0.151 312.9)
-
Step 600
600 (this color)
#904CB2
oklch(54.3% 0.164 313)
-
Step 700
700
#7E409D
oklch(49.1% 0.153 312.9)
-
Step 800
800
#67367F
oklch(42.8% 0.126 313.3)
-
Step 900
900
#542F66
oklch(37.7% 0.099 313.6)
-
Step 950
950
#311C3C
oklch(27% 0.063 313.1)
#904CB2 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) | #2E66B5 | 0.145 |
| Deuteranopia (no green cones) | #476BAF | 0.128 |
| Tritanopia (no blue cones) | #8D5E78 | 0.111 |
| Achromatopsia (no color) | #6A6A6A | 0.165 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #904CB2
#904CB2
oklch(54.3% 0.164 313)
- #498100
#498100
oklch(54.3% 0.153 133.1)
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 #904CB2, closest first.
No curated palette has a color within ΔE 0.04 of #904CB2.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purply #983FB2 ΔE 0.028
- Deep Lavender #8D5EB7 ΔE 0.040
- Amethyst #9B5FC0 ΔE 0.051
- Dark Orchid #9932CC ΔE 0.063
- Light Eggplant #894585 ΔE 0.072
- Warm Purple #952E8F ΔE 0.073
- Light Indigo #6D5ACF ΔE 0.078
- Purpley #8756E4 ΔE 0.080
Use #904CB2 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.