#6757AF
Closest named color: Iris (#6258C4). oklch(51.5% 0.135 289.1), rgb(103, 87, 175).
Aa
White text reads best on this color (5.90:1).
About this color
#6757AF is a medium-dark, moderately saturated purple. In OKLCH its lightness is 52%, its chroma 0.135 and its hue 289°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.034 away. White text reads best on it, at 5.90:1.
| Hue family | Purples |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.135) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.55:1 |
| White text | 5.90:1 |
Values
| HEX | #6757AF |
| RGB | rgb(103, 87, 175) |
| HSL | hsl(251, 35%, 51%) |
| OKLCH | oklch(51.5% 0.135 289.1) |
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 #6757AF | 5.90:1 | AA | Lc -84.5 | Fine for body text |
| Black text on #6757AF | 3.55:1 | AA large text | Lc 24.7 | Dividers and decoration only |
| #6757AF text on white | 5.90:1 | AA | Lc 79.3 | Fine for body text |
| #6757AF text on black | 3.55:1 | AA large text | Lc -22.5 | 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
#F5F5FB
oklch(97.2% 0.008 286.3)
-
Step 100
100
#E9E8F6
oklch(93.6% 0.019 289.3)
-
Step 200
200
#D8D6F0
oklch(88.6% 0.036 289.2)
-
Step 300
300
#BFBAE9
oklch(80.9% 0.066 289.7)
-
Step 400
400
#9F96DE
oklch(70.8% 0.104 289.2)
-
Step 500
500
#887AD4
oklch(63.1% 0.133 289.2)
-
Step 600
600
#7361C2
oklch(55.6% 0.146 289.3)
-
Step 700
700 (this color)
#6757AF
oklch(51.5% 0.135 289.1)
-
Step 800
800
#4E4287
oklch(42.7% 0.111 288.8)
-
Step 900
900
#41386C
oklch(37.6% 0.087 289.5)
-
Step 950
950
#26213F
oklch(26.9% 0.055 289.9)
#6757AF 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) | #3366B2 | 0.071 |
| Deuteranopia (no green cones) | #3462AD | 0.069 |
| Tritanopia (no blue cones) | #53697B | 0.111 |
| Achromatopsia (no color) | #646464 | 0.135 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6757AF
#6757AF
oklch(51.5% 0.135 289.1)
- #6D6C00
#6D6C00
oklch(51.5% 0.112 109.1)
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 #6757AF, closest first.
No curated palette has a color within ΔE 0.04 of #6757AF.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.034
- Slate Blue #6A5ACD ΔE 0.047
- Light Indigo #6D5ACF ΔE 0.051
- Dark Periwinkle #665FD1 ΔE 0.054
- Bluey Purple #6241C7 ΔE 0.066
- French Blue #436BAD ΔE 0.068
- Dusky Blue #475F94 ΔE 0.069
- Deep Lavender #8D5EB7 ΔE 0.069
Use #6757AF 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.