#8A90B4
Closest named color: Cool Gray (#8D99AE). oklch(66.1% 0.054 277.4), rgb(138, 144, 180).
Aa
Black text reads best on this color (6.72:1).
About this color
#8A90B4 is a medium-light, muted blue. In OKLCH its lightness is 66%, its chroma 0.054 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Gray (#8D99AE), ΔE 0.030 away. Black text reads best on it, at 6.72:1.
| Hue family | Blues |
| Lightness | medium-light (66%) |
| Chroma | muted (0.054) |
| Temperature | cool |
| Nearest name | Cool Gray (#8D99AE) |
| Black text | 6.72:1 |
| White text | 3.12:1 |
Values
| HEX | #8A90B4 |
| RGB | rgb(138, 144, 180) |
| HSL | hsl(231, 22%, 62%) |
| OKLCH | oklch(66.1% 0.054 277.4) |
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 #8A90B4 | 3.12:1 | AA large text | Lc -63.6 | Content text, not long reading |
| Black text on #8A90B4 | 6.72:1 | AA | Lc 45.8 | Large or bold text, headings |
| #8A90B4 text on white | 3.12:1 | AA large text | Lc 58.2 | Large or bold text, headings |
| #8A90B4 text on black | 6.72:1 | AA | Lc -43.5 | 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 500.
-
Step 50
50
#F5F5F8
oklch(97.1% 0.004 286.3)
-
Step 100
100
#E8E9EF
oklch(93.5% 0.008 278.6)
-
Step 200
200
#D6D8E3
oklch(88.4% 0.015 277.8)
-
Step 300
300
#BCBFD2
oklch(80.8% 0.027 278.6)
-
Step 400
400
#9A9FBB
oklch(70.8% 0.041 277.3)
-
Step 500
500 (this color)
#8A90B4
oklch(66.1% 0.054 277.4)
-
Step 600
600
#6B7096
oklch(55.6% 0.059 278.5)
-
Step 700
700
#595E80
oklch(49.1% 0.055 277.7)
-
Step 800
800
#494D68
oklch(42.8% 0.045 277.8)
-
Step 900
900
#3D4054
oklch(37.7% 0.034 278)
-
Step 950
950
#242631
oklch(27.1% 0.021 276.9)
#8A90B4 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) | #8693B6 | 0.009 |
| Deuteranopia (no green cones) | #8490B3 | 0.009 |
| Tritanopia (no blue cones) | #80969C | 0.047 |
| Achromatopsia (no color) | #929292 | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8A90B4
#8A90B4
oklch(66.1% 0.054 277.4)
- #9B936D
#9B936D
oklch(66% 0.054 97.6)
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 #8A90B4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Gray #8D99AE ΔE 0.030
- Silver Lake Blue #778DA9 ΔE 0.033
- Blue Grey #758DA3 ΔE 0.040
- Heather #A484AC ΔE 0.046
- Bluey Grey #89A0B0 ΔE 0.047
- Greyblue #77A1B5 ΔE 0.051
- Faded Blue #658CBB ΔE 0.051
- Light Slate Gray #778899 ΔE 0.052
Use #8A90B4 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.