#904FB0
Closest named color: Purply (#983FB2). oklch(54.6% 0.157 313.3), rgb(144, 79, 176).
Aa
White text reads best on this color (5.34:1).
About this color
#904FB0 is a medium-dark, vivid purple. In OKLCH its lightness is 55%, its chroma 0.157 and its hue 313°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Purply (#983FB2), ΔE 0.034 away. White text reads best on it, at 5.34:1.
| Hue family | Purples |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.157) |
| Temperature | in between |
| Nearest name | Purply (#983FB2) |
| Black text | 3.93:1 |
| White text | 5.34:1 |
Values
| HEX | #904FB0 |
| RGB | rgb(144, 79, 176) |
| HSL | hsl(280, 38%, 50%) |
| OKLCH | oklch(54.6% 0.157 313.3) |
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 #904FB0 | 5.34:1 | AA | Lc -81.6 | Fine for body text |
| Black text on #904FB0 | 3.93:1 | AA large text | Lc 27.9 | Dividers and decoration only |
| #904FB0 text on white | 5.34:1 | AA | Lc 76.2 | Fine for body text |
| #904FB0 text on black | 3.93:1 | AA large text | Lc -25.5 | 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
#EFE6F4
oklch(93.6% 0.021 313.8)
-
Step 200
200
#E2D2EC
oklch(88.5% 0.039 312.6)
-
Step 300
300
#D1B4E2
oklch(81% 0.071 313)
-
Step 400
400
#BA8BD3
oklch(70.8% 0.114 313.4)
-
Step 500
500
#A86CC7
oklch(63.1% 0.146 313.2)
-
Step 600
600 (this color)
#904FB0
oklch(54.6% 0.157 313.3)
-
Step 700
700
#7D429A
oklch(49% 0.146 313.2)
-
Step 800
800
#66377D
oklch(42.7% 0.121 313.4)
-
Step 900
900
#533065
oklch(37.7% 0.096 313.1)
-
Step 950
950
#311D3B
oklch(27.1% 0.06 313.7)
#904FB0 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) | #3567B3 | 0.138 |
| Deuteranopia (no green cones) | #4B6CAE | 0.122 |
| Tritanopia (no blue cones) | #8D5F78 | 0.106 |
| Achromatopsia (no color) | #6B6B6B | 0.158 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #904FB0
#904FB0
oklch(54.6% 0.157 313.3)
- #498200
#498200
oklch(54.6% 0.155 133.2)
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 #904FB0, closest first.
No curated palette has a color within ΔE 0.04 of #904FB0.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purply #983FB2 ΔE 0.034
- Deep Lavender #8D5EB7 ΔE 0.034
- Amethyst #9B5FC0 ΔE 0.047
- Light Eggplant #894585 ΔE 0.069
- Dark Orchid #9932CC ΔE 0.070
- Deep Lilac #966EBD ΔE 0.075
- Warm Purple #952E8F ΔE 0.075
- Dark Lavender #856798 ΔE 0.078
Use #904FB0 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.