#6257AB
Closest named color: Iris (#6258C4). oklch(50.8% 0.129 286.8), rgb(98, 87, 171).
Aa
White text reads best on this color (6.05:1).
About this color
#6257AB is a medium-dark, moderately saturated purple. In OKLCH its lightness is 51%, its chroma 0.129 and its hue 287°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.039 away. White text reads best on it, at 6.05:1.
| Hue family | Purples |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.129) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.47:1 |
| White text | 6.05:1 |
Values
| HEX | #6257AB |
| RGB | rgb(98, 87, 171) |
| HSL | hsl(248, 33%, 51%) |
| OKLCH | oklch(50.8% 0.129 286.8) |
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 #6257AB | 6.05:1 | AA | Lc -85.2 | Fine for body text |
| Black text on #6257AB | 3.47:1 | AA large text | Lc 24.0 | Dividers and decoration only |
| #6257AB text on white | 6.05:1 | AA | Lc 80.1 | Fine for body text |
| #6257AB text on black | 3.47:1 | AA large text | Lc -21.8 | 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
#F5F5FB
oklch(97.2% 0.008 286.3)
-
Step 100
100
#E9E8F6
oklch(93.6% 0.019 289.3)
-
Step 200
200
#D7D6F0
oklch(88.5% 0.036 287.4)
-
Step 300
300
#BDBBE8
oklch(80.9% 0.063 286.9)
-
Step 400
400
#9C97DC
oklch(70.7% 0.1 286.9)
-
Step 500
500
#857CD3
oklch(63.2% 0.128 286.9)
-
Step 600
600
#6F63C0
oklch(55.5% 0.14 286.8)
-
Step 700
700 (this color)
#6257AB
oklch(50.8% 0.129 286.8)
-
Step 800
800
#4C4386
oklch(42.6% 0.108 287)
-
Step 900
900
#3F396B
oklch(37.6% 0.084 287.2)
-
Step 950
950
#25223F
oklch(27.1% 0.053 287)
#6257AB 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) | #3565AE | 0.063 |
| Deuteranopia (no green cones) | #3460A9 | 0.061 |
| Tritanopia (no blue cones) | #4C6879 | 0.108 |
| Achromatopsia (no color) | #636363 | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6257AB
#6257AB
oklch(50.8% 0.129 286.8)
- #6D6900
#6D6900
oklch(50.8% 0.109 107.1)
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 #6257AB, closest first.
No curated palette has a color within ΔE 0.04 of #6257AB.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.039
- Slate Blue #6A5ACD ΔE 0.055
- Light Indigo #6D5ACF ΔE 0.059
- Dusky Blue #475F94 ΔE 0.060
- Dark Periwinkle #665FD1 ΔE 0.061
- Twilight #4E518B ΔE 0.062
- French Blue #436BAD ΔE 0.063
- Bluey Purple #6241C7 ΔE 0.069
Use #6257AB 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.