#8C91C3
Closest named color: Cool Gray (#8D99AE). oklch(67.1% 0.074 279.8), rgb(140, 145, 195).
Aa
Black text reads best on this color (6.95:1).
About this color
#8C91C3 is a medium-light, moderately saturated blue. In OKLCH its lightness is 67%, its chroma 0.074 and its hue 280°. 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 6.95:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.074) |
| Temperature | cool |
| Nearest name | Cool Gray (#8D99AE) |
| Black text | 6.95:1 |
| White text | 3.02:1 |
Values
| HEX | #8C91C3 |
| RGB | rgb(140, 145, 195) |
| HSL | hsl(235, 31%, 66%) |
| OKLCH | oklch(67.1% 0.074 279.8) |
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 #8C91C3 | 3.02:1 | AA large text | Lc -62.3 | Content text, not long reading |
| Black text on #8C91C3 | 6.95:1 | AA | Lc 47.1 | Large or bold text, headings |
| #8C91C3 text on white | 3.02:1 | AA large text | Lc 56.9 | Large or bold text, headings |
| #8C91C3 text on black | 6.95:1 | AA | Lc -44.8 | 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
#E8E9F3
oklch(93.6% 0.013 281.6)
-
Step 200
200
#D5D8EA
oklch(88.5% 0.025 278.3)
-
Step 300
300
#BABEDF
oklch(80.9% 0.047 279.8)
-
Step 400
400 (this color)
#8C91C3
oklch(67.1% 0.074 279.8)
-
Step 500
500
#7E83C2
oklch(63.1% 0.095 279.8)
-
Step 600
600
#686CAE
oklch(55.7% 0.102 279.9)
-
Step 700
700
#565A96
oklch(49.2% 0.095 279.4)
-
Step 800
800
#46497A
oklch(42.6% 0.081 279.7)
-
Step 900
900
#3B3E62
oklch(37.8% 0.061 279.4)
-
Step 950
950
#222439
oklch(26.9% 0.039 279.2)
#8C91C3 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) | #8396C5 | 0.017 |
| Deuteranopia (no green cones) | #8093C2 | 0.017 |
| Tritanopia (no blue cones) | #7E9AA2 | 0.066 |
| Achromatopsia (no color) | #949494 | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8C91C3
#8C91C3
oklch(67.1% 0.074 279.8)
- #A09761
#A09761
oklch(67.1% 0.074 99.9)
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 #8C91C3, 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 0.050
- Heather #A484AC ΔE 0.051
- Faded Blue #658CBB ΔE 0.055
- Bluey Grey #89A0B0 ΔE 0.058
- Blue Grey #758DA3 ΔE 0.059
- Perrywinkle #8F8CE7 ΔE 0.059
- Greyblue #77A1B5 ΔE 0.060
Use #8C91C3 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.