#8991CC
Closest named color: Perrywinkle (#8F8CE7). oklch(67.3% 0.088 277.8), rgb(137, 145, 204).
Aa
Black text reads best on this color (6.98:1).
About this color
#8991CC is a medium-light, moderately saturated blue. In OKLCH its lightness is 67%, its chroma 0.088 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Perrywinkle (#8F8CE7), ΔE 0.047 away. Black text reads best on it, at 6.98:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.088) |
| Temperature | cool |
| Nearest name | Perrywinkle (#8F8CE7) |
| Black text | 6.98:1 |
| White text | 3.00:1 |
Values
| HEX | #8991CC |
| RGB | rgb(137, 145, 204) |
| HSL | hsl(233, 40%, 67%) |
| OKLCH | oklch(67.3% 0.088 277.8) |
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 #8991CC | 3.00:1 | AA large text | Lc -62.1 | Content text, not long reading |
| Black text on #8991CC | 6.98:1 | AA | Lc 47.3 | Large or bold text, headings |
| #8991CC text on white | 3.00:1 | AA large text | Lc 56.7 | Large or bold text, headings |
| #8991CC text on black | 6.98:1 | AA | Lc -45.0 | 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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E7E9F5
oklch(93.6% 0.016 278.5)
-
Step 200
200
#D4D8EE
oklch(88.6% 0.03 277.6)
-
Step 300
300
#B8BEE4
oklch(80.9% 0.054 278.1)
-
Step 400
400 (this color)
#8991CC
oklch(67.3% 0.088 277.8)
-
Step 500
500
#7A82CC
oklch(63.1% 0.111 278)
-
Step 600
600
#636AB9
oklch(55.5% 0.122 277.8)
-
Step 700
700
#5258A0
oklch(49% 0.114 277.7)
-
Step 800
800
#434881
oklch(42.6% 0.094 277.8)
-
Step 900
900
#393D68
oklch(37.7% 0.073 278.2)
-
Step 950
950
#21243D
oklch(27% 0.047 277.6)
#8991CC 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) | #7F97CF | 0.019 |
| Deuteranopia (no green cones) | #7B92CB | 0.019 |
| Tritanopia (no blue cones) | #779CA6 | 0.077 |
| Achromatopsia (no color) | #959595 | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8991CC
#8991CC
oklch(67.3% 0.088 277.8)
- #A59755
#A59755
oklch(67.4% 0.088 97.7)
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 #8991CC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Perrywinkle #8F8CE7 ΔE 0.047
- Faded Blue #658CBB ΔE 0.056
- Cool Gray #8D99AE ΔE 0.056
- Silver Lake Blue #778DA9 ΔE 0.059
- Heather #A484AC ΔE 0.061
- Cornflower Blue #6495ED ΔE 0.062
- Wisteria #A87DC2 ΔE 0.064
- Greyblue #77A1B5 ΔE 0.067
Use #8991CC 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.