#8991CF
Closest named color: Perrywinkle (#8F8CE7). oklch(67.4% 0.092 278), rgb(137, 145, 207).
Aa
Black text reads best on this color (7.01:1).
About this color
#8991CF is a medium-light, moderately saturated blue. In OKLCH its lightness is 67%, its chroma 0.092 and its hue 278°. 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 7.01:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.092) |
| Temperature | cool |
| Nearest name | Perrywinkle (#8F8CE7) |
| Black text | 7.01:1 |
| White text | 2.99:1 |
Values
| HEX | #8991CF |
| RGB | rgb(137, 145, 207) |
| HSL | hsl(233, 42%, 67%) |
| OKLCH | oklch(67.4% 0.092 278) |
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 #8991CF | 2.99:1 | Fails | Lc -61.9 | Content text, not long reading |
| Black text on #8991CF | 7.01:1 | AAA | Lc 47.5 | Large or bold text, headings |
| #8991CF text on white | 2.99:1 | Fails | Lc 56.6 | Large or bold text, headings |
| #8991CF text on black | 7.01:1 | AAA | Lc -45.2 | 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
#D4D8EF
oklch(88.6% 0.032 277.9)
-
Step 300
300
#B7BEE6
oklch(80.9% 0.057 277.3)
-
Step 400
400 (this color)
#8991CF
oklch(67.4% 0.092 278)
-
Step 500
500
#7981D0
oklch(63.1% 0.119 278)
-
Step 600
600
#6369BD
oklch(55.6% 0.129 278.2)
-
Step 700
700
#5257A3
oklch(49% 0.12 278.1)
-
Step 800
800
#434884
oklch(42.7% 0.099 277.8)
-
Step 900
900
#383D6A
oklch(37.8% 0.077 277.3)
-
Step 950
950
#21243E
oklch(27.1% 0.048 277.6)
#8991CF 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 | 0.020 |
| Tritanopia (no blue cones) | #769DA7 | 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°).
- #8991CF
#8991CF
oklch(67.4% 0.092 278)
- #A69751
#A69751
oklch(67.4% 0.093 97.5)
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 #8991CF, 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 0.058
- Cornflower Blue #6495ED ΔE 0.059
- Cool Gray #8D99AE ΔE 0.061
- Silver Lake Blue #778DA9 ΔE 0.063
- Heather #A484AC ΔE 0.063
- Wisteria #A87DC2 ΔE 0.064
- Periwinkle Blue #8F99FB ΔE 0.066
Use #8991CF 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.