#8A91C3
Closest named color: Cool Gray (#8D99AE). oklch(67% 0.075 278), rgb(138, 145, 195).
Aa
Black text reads best on this color (6.91:1).
About this color
#8A91C3 is a medium-light, moderately saturated blue. In OKLCH its lightness is 67%, its chroma 0.075 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Gray (#8D99AE), ΔE 0.044 away. Black text reads best on it, at 6.91:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.075) |
| Temperature | cool |
| Nearest name | Cool Gray (#8D99AE) |
| Black text | 6.91:1 |
| White text | 3.03:1 |
Values
| HEX | #8A91C3 |
| RGB | rgb(138, 145, 195) |
| HSL | hsl(233, 32%, 65%) |
| OKLCH | oklch(67% 0.075 278) |
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 #8A91C3 | 3.03:1 | AA large text | Lc -62.5 | Content text, not long reading |
| Black text on #8A91C3 | 6.91:1 | AA | Lc 46.9 | Large or bold text, headings |
| #8A91C3 text on white | 3.03:1 | AA large text | Lc 57.1 | Large or bold text, headings |
| #8A91C3 text on black | 6.91:1 | AA | Lc -44.6 | Non-text elements, placeholder text |
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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E7E9F3
oklch(93.5% 0.014 277.1)
-
Step 200
200
#D5D8EB
oklch(88.6% 0.026 278.7)
-
Step 300
300
#B9BEDF
oklch(80.8% 0.047 278.5)
-
Step 400
400 (this color)
#8A91C3
oklch(67% 0.075 278)
-
Step 500
500
#7C84C3
oklch(63.2% 0.095 277.8)
-
Step 600
600
#656CAF
oklch(55.5% 0.104 277.9)
-
Step 700
700
#545A96
oklch(49% 0.096 277.9)
-
Step 800
800
#454A7A
oklch(42.7% 0.079 277.9)
-
Step 900
900
#3A3E62
oklch(37.7% 0.062 278.2)
-
Step 950
950
#22243A
oklch(26.9% 0.041 279.3)
#8A91C3 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) | #8296C5 | 0.016 |
| Deuteranopia (no green cones) | #7F92C2 | 0.015 |
| Tritanopia (no blue cones) | #7B9AA2 | 0.066 |
| Achromatopsia (no color) | #949494 | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8A91C3
#8A91C3
oklch(67% 0.075 278)
- #A19660
#A19660
oklch(67% 0.074 98.1)
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 #8A91C3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Gray #8D99AE ΔE 0.044
- Silver Lake Blue #778DA9 ΔE 0.049
- Faded Blue #658CBB ΔE 0.052
- Heather #A484AC ΔE 0.053
- Bluey Grey #89A0B0 ΔE 0.058
- Blue Grey #758DA3 ΔE 0.058
- Greyblue #77A1B5 ΔE 0.059
- Perrywinkle #8F8CE7 ΔE 0.060
Use #8A91C3 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.