#A137CB
Closest named color: Dark Orchid (#9932CC). oklch(55.6% 0.224 314.4), rgb(161, 55, 203).
Aa
White text reads best on this color (5.35:1).
About this color
#A137CB is a medium-dark, vivid purple. In OKLCH its lightness is 56%, its chroma 0.224 and its hue 314°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Orchid (#9932CC), ΔE 0.019 away. White text reads best on it, at 5.35:1.
| Hue family | Purples |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.224) |
| Temperature | in between |
| Nearest name | Dark Orchid (#9932CC) |
| Black text | 3.92:1 |
| White text | 5.35:1 |
Values
| HEX | #A137CB |
| RGB | rgb(161, 55, 203) |
| HSL | hsl(283, 59%, 51%) |
| OKLCH | oklch(55.6% 0.224 314.4) |
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 #A137CB | 5.35:1 | AA | Lc -81.0 | Fine for body text |
| Black text on #A137CB | 3.92:1 | AA large text | Lc 28.5 | Dividers and decoration only |
| #A137CB text on white | 5.35:1 | AA | Lc 75.6 | Fine for body text |
| #A137CB text on black | 3.92:1 | AA large text | Lc -26.1 | 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
#F9F3FC
oklch(97.1% 0.013 314.8)
-
Step 100
100
#F1E4F8
oklch(93.5% 0.03 314)
-
Step 200
200
#E7CFF3
oklch(88.5% 0.055 314.5)
-
Step 300
300
#D9ADEE
oklch(80.9% 0.101 314.6)
-
Step 400
400
#C57FE5
oklch(70.7% 0.16 314.5)
-
Step 500
500
#B659DE
oklch(63.2% 0.206 314.4)
-
Step 600
600 (this color)
#A137CB
oklch(55.6% 0.224 314.4)
-
Step 700
700
#8A27B0
oklch(49.1% 0.208 314.3)
-
Step 800
800
#70248E
oklch(42.7% 0.171 314.4)
-
Step 900
900
#5B2472
oklch(37.8% 0.135 314.4)
-
Step 950
950
#351643
oklch(26.9% 0.086 313.9)
#A137CB 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) | #0065CF | 0.202 |
| Deuteranopia (no green cones) | #2E6DC8 | 0.189 |
| Tritanopia (no blue cones) | #9D577E | 0.146 |
| Achromatopsia (no color) | #6B6B6B | 0.225 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A137CB
#A137CB
oklch(55.6% 0.224 314.4)
- #478600
#478600
oklch(55.6% 0.16 134.3)
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 #A137CB, closest first.
No curated palette has a color within ΔE 0.04 of #A137CB.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Orchid #9932CC ΔE 0.019
- Purply #983FB2 ΔE 0.043
- Vibrant Purple #AD03DE ΔE 0.051
- Dark Violet #9400D3 ΔE 0.058
- Blue Violet #8A2BE2 ΔE 0.064
- Medium Orchid #BA55D3 ΔE 0.075
- Purpley #8756E4 ΔE 0.078
- Amethyst #9B5FC0 ΔE 0.079
Use #A137CB 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.