#8A91CF
Closest named color: Perrywinkle (#8F8CE7). oklch(67.5% 0.092 278.7), rgb(138, 145, 207).
Aa
Black text reads best on this color (7.03:1).
About this color
#8A91CF is a medium-light, moderately saturated blue. In OKLCH its lightness is 68%, its chroma 0.092 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Perrywinkle (#8F8CE7), ΔE 0.042 away. Black text reads best on it, at 7.03:1.
| Hue family | Blues |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.092) |
| Temperature | cool |
| Nearest name | Perrywinkle (#8F8CE7) |
| Black text | 7.03:1 |
| White text | 2.98:1 |
Values
| HEX | #8A91CF |
| RGB | rgb(138, 145, 207) |
| HSL | hsl(234, 42%, 68%) |
| OKLCH | oklch(67.5% 0.092 278.7) |
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 #8A91CF | 2.98:1 | Fails | Lc -61.8 | Content text, not long reading |
| Black text on #8A91CF | 7.03:1 | AAA | Lc 47.6 | Large or bold text, headings |
| #8A91CF text on white | 2.98:1 | Fails | Lc 56.5 | Large or bold text, headings |
| #8A91CF text on black | 7.03:1 | AAA | Lc -45.3 | 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
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E7E9F5
oklch(93.6% 0.016 278.5)
-
Step 200
200
#D4D7EF
oklch(88.4% 0.033 280)
-
Step 300
300
#B8BEE6
oklch(81% 0.057 278.4)
-
Step 400
400 (this color)
#8A91CF
oklch(67.5% 0.092 278.7)
-
Step 500
500
#7A81CF
oklch(63.1% 0.117 278.6)
-
Step 600
600
#6469BC
oklch(55.6% 0.127 278.8)
-
Step 700
700
#5357A2
oklch(49% 0.118 278.8)
-
Step 800
800
#444884
oklch(42.8% 0.098 278.5)
-
Step 900
900
#393C69
oklch(37.6% 0.076 279.1)
-
Step 950
950
#21243E
oklch(27.1% 0.048 277.6)
#8A91CF 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) | #7E98D2 | 0.022 |
| Deuteranopia (no green cones) | #7A93CD | 0.022 |
| Tritanopia (no blue cones) | #779DA7 | 0.082 |
| Achromatopsia (no color) | #959595 | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8A91CF
#8A91CF
oklch(67.5% 0.092 278.7)
- #A59852
#A59852
oklch(67.6% 0.092 99)
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 #8A91CF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Perrywinkle #8F8CE7 ΔE 0.042
- Faded Blue #658CBB ΔE 0.059
- Cornflower Blue #6495ED ΔE 0.060
- Cool Gray #8D99AE ΔE 0.061
- Heather #A484AC ΔE 0.063
- Wisteria #A87DC2 ΔE 0.063
- Silver Lake Blue #778DA9 ΔE 0.064
- Periwinkle Blue #8F99FB ΔE 0.065
Use #8A91CF 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.