#675AAA
Closest named color: Iris (#6258C4). oklch(51.8% 0.123 288.8), rgb(103, 90, 170).
Aa
White text reads best on this color (5.80:1).
About this color
#675AAA is a medium-dark, moderately saturated purple. In OKLCH its lightness is 52%, its chroma 0.123 and its hue 289°. 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 5.80:1.
| Hue family | Purples |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.123) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.61:1 |
| White text | 5.80:1 |
Values
| HEX | #675AAA |
| RGB | rgb(103, 90, 170) |
| HSL | hsl(250, 32%, 51%) |
| OKLCH | oklch(51.8% 0.123 288.8) |
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 #675AAA | 5.80:1 | AA | Lc -84.1 | Fine for body text |
| Black text on #675AAA | 3.61:1 | AA large text | Lc 25.2 | Dividers and decoration only |
| #675AAA text on white | 5.80:1 | AA | Lc 78.9 | Fine for body text |
| #675AAA text on black | 3.61:1 | AA large text | Lc -22.9 | 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
#E9E8F5
oklch(93.6% 0.017 289.6)
-
Step 200
200
#D8D6EE
oklch(88.5% 0.033 289.5)
-
Step 300
300
#BFBBE6
oklch(81% 0.06 289.2)
-
Step 400
400
#9E97D9
oklch(70.7% 0.096 288.6)
-
Step 500
500
#877CCE
oklch(63.1% 0.121 288.6)
-
Step 600
600
#7264BB
oklch(55.7% 0.132 288.8)
-
Step 700
700 (this color)
#675AAA
oklch(51.8% 0.123 288.8)
-
Step 800
800
#4E4483
oklch(42.8% 0.102 288.6)
-
Step 900
900
#413969
oklch(37.7% 0.081 289.6)
-
Step 950
950
#26223D
oklch(27% 0.049 289.5)
#675AAA 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) | #3C67AD | 0.061 |
| Deuteranopia (no green cones) | #3D63A8 | 0.059 |
| Tritanopia (no blue cones) | #556A7A | 0.103 |
| Achromatopsia (no color) | #656565 | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #675AAA
#675AAA
oklch(51.8% 0.123 288.8)
- #6E6D00
#6E6D00
oklch(51.9% 0.113 109.1)
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 #675AAA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.043
- Slate Blue #6A5ACD ΔE 0.055
- Light Indigo #6D5ACF ΔE 0.059
- Dark Periwinkle #665FD1 ΔE 0.061
- French Blue #436BAD ΔE 0.061
- Dusky Blue #475F94 ΔE 0.061
- Twilight #4E518B ΔE 0.067
- Deep Lavender #8D5EB7 ΔE 0.069
Use #675AAA 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.