#8A90C7
Closest named color: Cool Gray (#8D99AE). oklch(66.9% 0.082 279.1), rgb(138, 144, 199).
Aa
Black text reads best on this color (6.89:1).
About this color
#8A90C7 is a medium-light, moderately saturated blue. In OKLCH its lightness is 67%, its chroma 0.082 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Gray (#8D99AE), ΔE 0.052 away. Black text reads best on it, at 6.89:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.082) |
| Temperature | cool |
| Nearest name | Cool Gray (#8D99AE) |
| Black text | 6.89:1 |
| White text | 3.04:1 |
Values
| HEX | #8A90C7 |
| RGB | rgb(138, 144, 199) |
| HSL | hsl(234, 35%, 66%) |
| OKLCH | oklch(66.9% 0.082 279.1) |
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 #8A90C7 | 3.04:1 | AA large text | Lc -62.6 | Content text, not long reading |
| Black text on #8A90C7 | 6.89:1 | AA | Lc 46.8 | Large or bold text, headings |
| #8A90C7 text on white | 3.04:1 | AA large text | Lc 57.3 | Large or bold text, headings |
| #8A90C7 text on black | 6.89:1 | AA | Lc -44.5 | 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
#E7E9F4
oklch(93.6% 0.015 277.8)
-
Step 200
200
#D5D8EC
oklch(88.6% 0.028 279)
-
Step 300
300
#B9BEE2
oklch(80.9% 0.051 279)
-
Step 400
400 (this color)
#8A90C7
oklch(66.9% 0.082 279.1)
-
Step 500
500
#7C82C8
oklch(63.1% 0.105 279.2)
-
Step 600
600
#666BB4
oklch(55.7% 0.113 279.1)
-
Step 700
700
#55599B
oklch(49.2% 0.105 279.2)
-
Step 800
800
#45497E
oklch(42.7% 0.087 278.7)
-
Step 900
900
#3A3D65
oklch(37.6% 0.068 279.3)
-
Step 950
950
#22243B
oklch(27% 0.043 279.3)
#8A90C7 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) | #8096C9 | 0.019 |
| Deuteranopia (no green cones) | #7C92C6 | 0.019 |
| Tritanopia (no blue cones) | #7A9AA3 | 0.072 |
| Achromatopsia (no color) | #949494 | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8A90C7
#8A90C7
oklch(66.9% 0.082 279.1)
- #A1965A
#A1965A
oklch(66.9% 0.081 99.1)
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 #8A90C7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Gray #8D99AE ΔE 0.052
- Perrywinkle #8F8CE7 ΔE 0.053
- Faded Blue #658CBB ΔE 0.054
- Silver Lake Blue #778DA9 ΔE 0.054
- Heather #A484AC ΔE 0.055
- Wisteria #A87DC2 ΔE 0.062
- Blue Grey #758DA3 ΔE 0.063
- Bluey Grey #89A0B0 ΔE 0.064
Use #8A90C7 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.