#7A37BC
Closest named color: Bluey Purple (#6241C7). oklch(49.6% 0.198 302.7), rgb(122, 55, 188).
Aa
White text reads best on this color (6.77:1).
About this color
#7A37BC is a medium-dark, vivid purple. In OKLCH its lightness is 50%, its chroma 0.198 and its hue 303°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Bluey Purple (#6241C7), ΔE 0.050 away. White text reads best on it, at 6.77:1.
| Hue family | Purples |
| Lightness | medium-dark (50%) |
| Chroma | vivid (0.198) |
| Temperature | in between |
| Nearest name | Bluey Purple (#6241C7) |
| Black text | 3.10:1 |
| White text | 6.77:1 |
Values
| HEX | #7A37BC |
| RGB | rgb(122, 55, 188) |
| HSL | hsl(270, 55%, 48%) |
| OKLCH | oklch(49.6% 0.198 302.7) |
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 #7A37BC | 6.77:1 | AA | Lc -87.6 | Fine for body text |
| Black text on #7A37BC | 3.10:1 | AA large text | Lc 21.5 | Dividers and decoration only |
| #7A37BC text on white | 6.77:1 | AA | Lc 82.6 | Fine for body text |
| #7A37BC text on black | 3.10:1 | 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
#F7F4FD
oklch(97.2% 0.012 301.3)
-
Step 100
100
#EDE6FA
oklch(93.6% 0.028 301.7)
-
Step 200
200
#E0D1F7
oklch(88.5% 0.054 303.2)
-
Step 300
300
#CDB2F4
oklch(80.9% 0.096 303)
-
Step 400
400
#B487EF
oklch(70.8% 0.153 302.6)
-
Step 500
500
#A264E9
oklch(63.1% 0.196 302.7)
-
Step 600
600
#8E45D7
oklch(55.6% 0.214 302.9)
-
Step 700
700 (this color)
#7A37BC
oklch(49.6% 0.198 302.7)
-
Step 800
800
#622E97
oklch(42.7% 0.164 302.7)
-
Step 900
900
#502B78
oklch(37.8% 0.127 302.9)
-
Step 950
950
#2F1A46
oklch(27% 0.081 303.5)
#7A37BC 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) | #005AC0 | 0.146 |
| Deuteranopia (no green cones) | #005BB9 | 0.147 |
| Tritanopia (no blue cones) | #6D5776 | 0.145 |
| Achromatopsia (no color) | #5B5B5B | 0.200 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7A37BC
#7A37BC
oklch(49.6% 0.198 302.7)
- #566C00
#566C00
oklch(49.5% 0.121 122.5)
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 #7A37BC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluey Purple #6241C7 ΔE 0.050
- Grape #7209B7 ΔE 0.058
- Dark Orchid #9932CC ΔE 0.063
- Blue Violet #8A2BE2 ΔE 0.065
- Purply #983FB2 ΔE 0.065
- Rebecca Purple #663399 ΔE 0.067
- Dark Violet #9400D3 ΔE 0.071
- Burple #6832E3 ΔE 0.073
Use #7A37BC 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.