#903ECC
Closest named color: Dark Orchid (#9932CC). oklch(54.2% 0.211 307.1), rgb(144, 62, 204).
Aa
White text reads best on this color (5.60:1).
About this color
#903ECC is a medium-dark, vivid purple. In OKLCH its lightness is 54%, its chroma 0.211 and its hue 307°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Orchid (#9932CC), ΔE 0.023 away. White text reads best on it, at 5.60:1.
| Hue family | Purples |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.211) |
| Temperature | in between |
| Nearest name | Dark Orchid (#9932CC) |
| Black text | 3.74:1 |
| White text | 5.60:1 |
Values
| HEX | #903ECC |
| RGB | rgb(144, 62, 204) |
| HSL | hsl(275, 58%, 52%) |
| OKLCH | oklch(54.2% 0.211 307.1) |
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 #903ECC | 5.60:1 | AA | Lc -82.5 | Fine for body text |
| Black text on #903ECC | 3.74:1 | AA large text | Lc 26.9 | Dividers and decoration only |
| #903ECC text on white | 5.60:1 | AA | Lc 77.2 | Fine for body text |
| #903ECC text on black | 3.74:1 | 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
#F8F3FC
oklch(97.1% 0.013 310.5)
-
Step 100
100
#EFE5F9
oklch(93.6% 0.029 308.1)
-
Step 200
200
#E2D1F5
oklch(88.6% 0.052 306.6)
-
Step 300
300
#D1B1F1
oklch(81% 0.095 307.2)
-
Step 400
400
#BA85EA
oklch(70.8% 0.152 307.1)
-
Step 500
500
#A961E3
oklch(63.1% 0.195 307.3)
-
Step 600
600 (this color)
#903ECC
oklch(54.2% 0.211 307.1)
-
Step 700
700
#7E33B5
oklch(49.1% 0.196 306.8)
-
Step 800
800
#672C92
oklch(42.7% 0.162 307.3)
-
Step 900
900
#532975
oklch(37.6% 0.128 306.7)
-
Step 950
950
#311944
oklch(27% 0.08 307.6)
#903ECC 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) | #0065D0 | 0.171 |
| Deuteranopia (no green cones) | #1268C9 | 0.169 |
| Tritanopia (no blue cones) | #865E81 | 0.148 |
| Achromatopsia (no color) | #686868 | 0.213 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #903ECC
#903ECC
oklch(54.2% 0.211 307.1)
- #597D00
#597D00
oklch(54.2% 0.14 127)
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 #903ECC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Orchid #9932CC ΔE 0.023
- Purply #983FB2 ΔE 0.045
- Blue Violet #8A2BE2 ΔE 0.046
- Dark Violet #9400D3 ΔE 0.057
- Purpley #8756E4 ΔE 0.058
- Vibrant Purple #AD03DE ΔE 0.074
- Deep Lavender #8D5EB7 ΔE 0.077
- Amethyst #9B5FC0 ΔE 0.077
Use #903ECC 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.