#90309B
Closest named color: Warm Purple (#952E8F). oklch(49.4% 0.182 323.5), rgb(144, 48, 155).
Aa
White text reads best on this color (6.81:1).
About this color
#90309B is a medium-dark, vivid purple. In OKLCH its lightness is 49%, its chroma 0.182 and its hue 323°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Warm Purple (#952E8F), ΔE 0.022 away. White text reads best on it, at 6.81:1.
| Hue family | Purples |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.182) |
| Temperature | in between |
| Nearest name | Warm Purple (#952E8F) |
| Black text | 3.08:1 |
| White text | 6.81:1 |
Values
| HEX | #90309B |
| RGB | rgb(144, 48, 155) |
| HSL | hsl(294, 53%, 40%) |
| OKLCH | oklch(49.4% 0.182 323.5) |
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 #90309B | 6.81:1 | AA | Lc -87.7 | Fine for body text |
| Black text on #90309B | 3.08:1 | AA large text | Lc 21.4 | Dividers and decoration only |
| #90309B text on white | 6.81:1 | AA | Lc 82.6 | Fine for body text |
| #90309B text on black | 3.08:1 | AA large text | Lc -19.3 | 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 700.
-
Step 50
50
#FAF3FA
oklch(97.2% 0.012 325.7)
-
Step 100
100
#F3E4F4
oklch(93.5% 0.027 323.9)
-
Step 200
200
#EACFEC
oklch(88.6% 0.049 323.8)
-
Step 300
300
#DDAEE2
oklch(81% 0.088 323.2)
-
Step 400
400
#CB80D3
oklch(70.7% 0.142 323.5)
-
Step 500
500
#BC5DC7
oklch(63.2% 0.18 323.4)
-
Step 600
600
#A73EB3
oklch(55.6% 0.196 323.5)
-
Step 700
700 (this color)
#90309B
oklch(49.4% 0.182 323.5)
-
Step 800
800
#74297D
oklch(42.7% 0.15 323.3)
-
Step 900
900
#5E2764
oklch(37.7% 0.117 323.6)
-
Step 950
950
#37183B
oklch(27% 0.074 322.9)
#90309B 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) | #13549E | 0.187 |
| Deuteranopia (no green cones) | #415F98 | 0.160 |
| Tritanopia (no blue cones) | #924262 | 0.108 |
| Achromatopsia (no color) | #5B5B5B | 0.184 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90309B
#90309B
oklch(49.4% 0.182 323.5)
- #00770F
#00770F
oklch(49.4% 0.163 143.4)
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 #90309B, closest first.
No curated palette has a color within ΔE 0.04 of #90309B.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Warm Purple #952E8F ΔE 0.022
- Purply #983FB2 ΔE 0.046
- Dark Magenta #8B008B ΔE 0.055
- Light Eggplant #894585 ΔE 0.059
- Purple #800080 ΔE 0.076
- Dark Orchid #9932CC ΔE 0.078
- Rebecca Purple #663399 ΔE 0.083
- Red Violet #9E0168 ΔE 0.091
Use #90309B 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.