#900CB7
Closest named color: Dark Violet (#9400D3). oklch(49% 0.234 315.6), rgb(144, 12, 183).
Aa
White text reads best on this color (7.18:1).
About this color
#900CB7 is a medium-dark, vivid purple. In OKLCH its lightness is 49%, its chroma 0.234 and its hue 316°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Violet (#9400D3), ΔE 0.044 away. White text reads best on it, at 7.18:1.
| Hue family | Purples |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.234) |
| Temperature | in between |
| Nearest name | Dark Violet (#9400D3) |
| Black text | 2.92:1 |
| White text | 7.18:1 |
Values
| HEX | #900CB7 |
| RGB | rgb(144, 12, 183) |
| HSL | hsl(286, 88%, 38%) |
| OKLCH | oklch(49% 0.234 315.6) |
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 #900CB7 | 7.18:1 | AAA | Lc -88.0 | Fine for body text |
| Black text on #900CB7 | 2.92:1 | Fails | Lc 21.1 | Dividers and decoration only |
| #900CB7 text on white | 7.18:1 | AAA | Lc 83.0 | Fine for body text |
| #900CB7 text on black | 2.92:1 | Fails | Lc -19.0 | 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
#F9F3FD
oklch(97.2% 0.015 312.2)
-
Step 100
100
#F3E4F9
oklch(93.7% 0.032 316.4)
-
Step 200
200
#EACDF6
oklch(88.5% 0.063 316)
-
Step 300
300
#DDAAF3
oklch(80.9% 0.114 315.4)
-
Step 400
400
#CB78EC
oklch(70.7% 0.182 315.6)
-
Step 500
500
#BD4DE6
oklch(63.1% 0.232 315.6)
-
Step 600
600
#A822D4
oklch(55.6% 0.252 315.4)
-
Step 700
700 (this color)
#900CB7
oklch(49% 0.234 315.6)
-
Step 800
800
#751494
oklch(42.6% 0.194 315.6)
-
Step 900
900
#5F1C76
oklch(37.7% 0.151 315.9)
-
Step 950
950
#381345
oklch(27.1% 0.095 316.1)
#900CB7 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) | #0051BB | 0.204 |
| Deuteranopia (no green cones) | #005AB4 | 0.208 |
| Tritanopia (no blue cones) | #8D406B | 0.149 |
| Achromatopsia (no color) | #575757 | 0.237 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #900CB7
#900CB7
oklch(49% 0.234 315.6)
- #367100
#367100
oklch(48.9% 0.145 135.7)
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 #900CB7, closest first.
No curated palette has a color within ΔE 0.04 of #900CB7.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Violet #9400D3 ΔE 0.044
- Dark Orchid #9932CC ΔE 0.054
- Grape #7209B7 ΔE 0.064
- Purply #983FB2 ΔE 0.067
- Dark Magenta #8B008B ΔE 0.071
- Blue Violet #8A2BE2 ΔE 0.076
- Warm Purple #952E8F ΔE 0.078
- Vibrant Purple #AD03DE ΔE 0.080
Use #900CB7 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.