#8591DC
Closest named color: Perrywinkle (#8F8CE7). oklch(67.8% 0.112 276.1), rgb(133, 145, 220).
Aa
Black text reads best on this color (7.08:1).
About this color
#8591DC is a medium-light, moderately saturated blue. In OKLCH its lightness is 68%, its chroma 0.112 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Perrywinkle (#8F8CE7), ΔE 0.027 away. Black text reads best on it, at 7.08:1.
| Hue family | Blues |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.112) |
| Temperature | cool |
| Nearest name | Perrywinkle (#8F8CE7) |
| Black text | 7.08:1 |
| White text | 2.96:1 |
Values
| HEX | #8591DC |
| RGB | rgb(133, 145, 220) |
| HSL | hsl(232, 55%, 69%) |
| OKLCH | oklch(67.8% 0.112 276.1) |
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 #8591DC | 2.96:1 | Fails | Lc -61.5 | Content text, not long reading |
| Black text on #8591DC | 7.08:1 | AAA | Lc 47.9 | Large or bold text, headings |
| #8591DC text on white | 2.96:1 | Fails | Lc 56.2 | Large or bold text, headings |
| #8591DC text on black | 7.08:1 | AAA | Lc -45.6 | Large or bold text, headings |
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 400.
-
Step 50
50
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E6E9F8
oklch(93.6% 0.02 276.9)
-
Step 200
200
#D2D8F3
oklch(88.6% 0.038 275.7)
-
Step 300
300
#B4BDEE
oklch(80.8% 0.07 276.6)
-
Step 400
400 (this color)
#8591DC
oklch(67.8% 0.112 276.1)
-
Step 500
500
#737FDE
oklch(63% 0.143 276.1)
-
Step 600
600
#5D67CC
oklch(55.7% 0.154 275.9)
-
Step 700
700
#4D55B1
oklch(49.2% 0.144 276)
-
Step 800
800
#3F468F
oklch(42.8% 0.119 276)
-
Step 900
900
#353B72
oklch(37.6% 0.093 276.3)
-
Step 950
950
#1F2343
oklch(27% 0.059 276.3)
#8591DC 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) | #7899DF | 0.024 |
| Deuteranopia (no green cones) | #7193DA | 0.026 |
| Tritanopia (no blue cones) | #6AA0AC | 0.100 |
| Achromatopsia (no color) | #969696 | 0.112 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8591DC
#8591DC
oklch(67.8% 0.112 276.1)
- #AC973D
#AC973D
oklch(67.8% 0.112 96.1)
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 #8591DC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Perrywinkle #8F8CE7 ΔE 0.027
- Cornflower Blue #6495ED ΔE 0.044
- Periwinkle Blue #8F99FB ΔE 0.050
- Lavender Blue #8B88F8 ΔE 0.052
- Soft Blue #6488EA ΔE 0.055
- Faded Blue #658CBB ΔE 0.067
- Chefchaouen Blue #4895EF ΔE 0.067
- Periwinkle #8E82FE ΔE 0.070
Use #8591DC 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.