#5751AD
Closest named color: Iris (#6258C4). oklch(48.9% 0.142 282.7), rgb(87, 81, 173).
Aa
White text reads best on this color (6.59:1).
About this color
#5751AD is a medium-dark, vivid purple. In OKLCH its lightness is 49%, its chroma 0.142 and its hue 283°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.043 away. White text reads best on it, at 6.59:1.
| Hue family | Purples |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.142) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.18:1 |
| White text | 6.59:1 |
Values
| HEX | #5751AD |
| RGB | rgb(87, 81, 173) |
| HSL | hsl(244, 36%, 50%) |
| OKLCH | oklch(48.9% 0.142 282.7) |
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 #5751AD | 6.59:1 | AA | Lc -87.4 | Fine for body text |
| Black text on #5751AD | 3.18:1 | AA large text | Lc 21.7 | Dividers and decoration only |
| #5751AD text on white | 6.59:1 | AA | Lc 82.4 | Fine for body text |
| #5751AD text on black | 3.18:1 | AA large text | Lc -19.5 | 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 700.
-
Step 50
50
#F4F5FC
oklch(97.1% 0.009 279.7)
-
Step 100
100
#E7E8F7
oklch(93.5% 0.02 282.9)
-
Step 200
200
#D5D7F2
oklch(88.6% 0.037 282.2)
-
Step 300
300
#B9BCED
oklch(81% 0.069 282)
-
Step 400
400
#9797E3
oklch(70.6% 0.11 283.2)
-
Step 500
500
#7E7CDB
oklch(63.1% 0.14 282.6)
-
Step 600
600
#6963C9
oklch(55.6% 0.153 282.9)
-
Step 700
700 (this color)
#5751AD
oklch(48.9% 0.142 282.7)
-
Step 800
800
#47438D
oklch(42.6% 0.119 282.6)
-
Step 900
900
#3B3970
oklch(37.6% 0.092 282.7)
-
Step 950
950
#232242
oklch(27.1% 0.058 283.2)
#5751AD 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) | #2160B0 | 0.065 |
| Deuteranopia (no green cones) | #1A5AAB | 0.066 |
| Tritanopia (no blue cones) | #376577 | 0.121 |
| Achromatopsia (no color) | #5D5D5D | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5751AD
#5751AD
oklch(48.9% 0.142 282.7)
- #6B6200
#6B6200
oklch(48.9% 0.103 103.3)
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 #5751AD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.043
- Bluey Purple #6241C7 ΔE 0.057
- Twilight #4E518B ΔE 0.057
- Blueberry #464196 ΔE 0.061
- Slate Blue #6A5ACD ΔE 0.062
- Dusky Blue #475F94 ΔE 0.063
- Blue With A Hint Of Purple #533CC6 ΔE 0.063
- Denim Blue #3B5B92 ΔE 0.066
Use #5751AD 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.