#685FAC
Closest named color: Iris (#6258C4). oklch(53% 0.118 287), rgb(104, 95, 172).
Aa
White text reads best on this color (5.49:1).
About this color
#685FAC is a medium-dark, moderately saturated purple. In OKLCH its lightness is 53%, its chroma 0.118 and its hue 287°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.045 away. White text reads best on it, at 5.49:1.
| Hue family | Purples |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.118) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.82:1 |
| White text | 5.49:1 |
Values
| HEX | #685FAC |
| RGB | rgb(104, 95, 172) |
| HSL | hsl(247, 32%, 52%) |
| OKLCH | oklch(53% 0.118 287) |
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 #685FAC | 5.49:1 | AA | Lc -82.6 | Fine for body text |
| Black text on #685FAC | 3.82:1 | AA large text | Lc 26.8 | Dividers and decoration only |
| #685FAC text on white | 5.49:1 | AA | Lc 77.3 | Fine for body text |
| #685FAC text on black | 3.82:1 | AA large text | Lc -24.4 | 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 600.
-
Step 50
50
#F5F5FA
oklch(97.2% 0.007 286.3)
-
Step 100
100
#E9E8F4
oklch(93.5% 0.016 289.9)
-
Step 200
200
#D7D7EC
oklch(88.6% 0.029 285.8)
-
Step 300
300
#BEBCE2
oklch(80.9% 0.053 287.6)
-
Step 400
400
#9D99D3
oklch(70.8% 0.084 287.2)
-
Step 500
500
#857FC8
oklch(63.2% 0.108 286.6)
-
Step 600
600 (this color)
#685FAC
oklch(53% 0.118 287)
-
Step 700
700
#5D559B
oklch(49% 0.11 286.9)
-
Step 800
800
#4C467E
oklch(42.7% 0.091 286.8)
-
Step 900
900
#3F3B65
oklch(37.6% 0.071 286.8)
-
Step 950
950
#25233B
oklch(27% 0.044 286.9)
#685FAC 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) | #446BAF | 0.053 |
| Deuteranopia (no green cones) | #4267AA | 0.053 |
| Tritanopia (no blue cones) | #556E7D | 0.100 |
| Achromatopsia (no color) | #696969 | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #685FAC
#685FAC
oklch(53% 0.118 287)
- #746F00
#746F00
oklch(52.9% 0.113 106.6)
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 #685FAC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.045
- French Blue #436BAD ΔE 0.054
- Slate Blue #6A5ACD ΔE 0.055
- Dark Periwinkle #665FD1 ΔE 0.058
- Light Indigo #6D5ACF ΔE 0.058
- Dusky Blue #475F94 ΔE 0.062
- Deep Lavender #8D5EB7 ΔE 0.064
- Dark Lavender #856798 ΔE 0.065
Use #685FAC 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.