#773BA4
Closest named color: Rebecca Purple (#663399). oklch(48% 0.166 307.6), rgb(119, 59, 164).
Aa
White text reads best on this color (7.12:1).
About this color
#773BA4 is a medium-dark, vivid purple. In OKLCH its lightness is 48%, its chroma 0.166 and its hue 308°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.041 away. White text reads best on it, at 7.12:1.
| Hue family | Purples |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.166) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.94:1 |
| White text | 7.12:1 |
Values
| HEX | #773BA4 |
| RGB | rgb(119, 59, 164) |
| HSL | hsl(274, 47%, 44%) |
| OKLCH | oklch(48% 0.166 307.6) |
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 #773BA4 | 7.12:1 | AAA | Lc -89.1 | Fine for body text |
| Black text on #773BA4 | 2.94:1 | Fails | Lc 19.8 | Dividers and decoration only |
| #773BA4 text on white | 7.12:1 | AAA | Lc 84.2 | Fine for body text |
| #773BA4 text on black | 2.94:1 | Fails | Lc -17.8 | 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
#F7F4FB
oklch(97.1% 0.01 305.4)
-
Step 100
100
#EEE6F6
oklch(93.6% 0.023 308.2)
-
Step 200
200
#E1D2F1
oklch(88.5% 0.045 307.2)
-
Step 300
300
#CFB3E9
oklch(80.9% 0.08 308.2)
-
Step 400
400
#B68ADE
oklch(70.7% 0.128 307.5)
-
Step 500
500
#A46AD5
oklch(63.1% 0.164 307.4)
-
Step 600
600
#904FC2
oklch(55.7% 0.178 307.7)
-
Step 700
700 (this color)
#773BA4
oklch(48% 0.166 307.6)
-
Step 800
800
#633488
oklch(42.6% 0.138 307.3)
-
Step 900
900
#512F6D
oklch(37.8% 0.107 307.4)
-
Step 950
950
#2F1C40
oklch(27% 0.068 306.8)
#773BA4 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) | #0056A7 | 0.143 |
| Deuteranopia (no green cones) | #2858A2 | 0.127 |
| Tritanopia (no blue cones) | #70506A | 0.117 |
| Achromatopsia (no color) | #585858 | 0.167 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #773BA4
#773BA4
oklch(48% 0.166 307.6)
- #496A00
#496A00
oklch(48.1% 0.125 127.9)
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 #773BA4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.041
- Purply #983FB2 ΔE 0.068
- Bluey Purple #6241C7 ΔE 0.069
- Warm Purple #952E8F ΔE 0.070
- Light Eggplant #894585 ΔE 0.071
- Grape #7209B7 ΔE 0.071
- Iris #6258C4 ΔE 0.084
- Dark Magenta #8B008B ΔE 0.084
Use #773BA4 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.