#904FBB
Closest named color: Purply (#983FB2). oklch(55.2% 0.17 309.7), rgb(144, 79, 187).
Aa
White text reads best on this color (5.22:1).
About this color
#904FBB is a medium-dark, vivid purple. In OKLCH its lightness is 55%, its chroma 0.170 and its hue 310°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Purply (#983FB2), ΔE 0.035 away. White text reads best on it, at 5.22:1.
| Hue family | Purples |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.170) |
| Temperature | in between |
| Nearest name | Purply (#983FB2) |
| Black text | 4.02:1 |
| White text | 5.22:1 |
Values
| HEX | #904FBB |
| RGB | rgb(144, 79, 187) |
| HSL | hsl(276, 44%, 52%) |
| OKLCH | oklch(55.2% 0.17 309.7) |
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 #904FBB | 5.22:1 | AA | Lc -80.9 | Fine for body text |
| Black text on #904FBB | 4.02:1 | AA large text | Lc 28.6 | Dividers and decoration only |
| #904FBB text on white | 5.22:1 | AA | Lc 75.5 | Fine for body text |
| #904FBB text on black | 4.02:1 | AA large text | Lc -26.2 | 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
#F7F4FB
oklch(97.1% 0.01 305.4)
-
Step 100
100
#EEE6F5
oklch(93.6% 0.022 309.6)
-
Step 200
200
#E2D2EF
oklch(88.6% 0.043 310.1)
-
Step 300
300
#D0B3E6
oklch(80.8% 0.077 310.3)
-
Step 400
400
#B88ADA
oklch(70.7% 0.123 309.9)
-
Step 500
500
#A66BCF
oklch(63.1% 0.156 309.9)
-
Step 600
600 (this color)
#904FBB
oklch(55.2% 0.17 309.7)
-
Step 700
700
#7C40A2
oklch(49.1% 0.158 310.1)
-
Step 800
800
#643683
oklch(42.7% 0.129 309.6)
-
Step 900
900
#522F69
oklch(37.6% 0.102 310.2)
-
Step 950
950
#301C3E
oklch(27% 0.066 309.8)
#904FBB 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) | #2A6ABE | 0.145 |
| Deuteranopia (no green cones) | #436DB8 | 0.129 |
| Tritanopia (no blue cones) | #8A637D | 0.120 |
| Achromatopsia (no color) | #6C6C6C | 0.171 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #904FBB
#904FBB
oklch(55.2% 0.17 309.7)
- #558200
#558200
oklch(55.3% 0.148 129.7)
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 #904FBB, closest first.
No curated palette has a color within ΔE 0.04 of #904FBB.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purply #983FB2 ΔE 0.035
- Deep Lavender #8D5EB7 ΔE 0.035
- Amethyst #9B5FC0 ΔE 0.043
- Dark Orchid #9932CC ΔE 0.059
- Purpley #8756E4 ΔE 0.066
- Light Indigo #6D5ACF ΔE 0.069
- Slate Blue #6A5ACD ΔE 0.072
- Deep Lilac #966EBD ΔE 0.075
Use #904FBB 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.