#8B90BB
Closest named color: Cool Gray (#8D99AE). oklch(66.5% 0.064 279.3), rgb(139, 144, 187).
Aa
Black text reads best on this color (6.80:1).
About this color
#8B90BB is a medium-light, muted blue. In OKLCH its lightness is 66%, its chroma 0.064 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Gray (#8D99AE), ΔE 0.037 away. Black text reads best on it, at 6.80:1.
| Hue family | Blues |
| Lightness | medium-light (66%) |
| Chroma | muted (0.064) |
| Temperature | cool |
| Nearest name | Cool Gray (#8D99AE) |
| Black text | 6.80:1 |
| White text | 3.08:1 |
Values
| HEX | #8B90BB |
| RGB | rgb(139, 144, 187) |
| HSL | hsl(234, 26%, 64%) |
| OKLCH | oklch(66.5% 0.064 279.3) |
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 #8B90BB | 3.08:1 | AA large text | Lc -63.2 | Content text, not long reading |
| Black text on #8B90BB | 6.80:1 | AA | Lc 46.3 | Large or bold text, headings |
| #8B90BB text on white | 3.08:1 | AA large text | Lc 57.8 | Large or bold text, headings |
| #8B90BB text on black | 6.80:1 | AA | Lc -44.0 | 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
#E8E9F0
oklch(93.5% 0.009 279.7)
-
Step 200
200
#D6D8E5
oklch(88.5% 0.018 279)
-
Step 300
300
#BCBFD5
oklch(80.9% 0.031 279.5)
-
Step 400
400
#999EC0
oklch(70.7% 0.05 278.5)
-
Step 500
500 (this color)
#8B90BB
oklch(66.5% 0.064 279.3)
-
Step 600
600
#6A6F9C
oklch(55.5% 0.07 279)
-
Step 700
700
#595D85
oklch(49.1% 0.064 279.3)
-
Step 800
800
#494C6C
oklch(42.7% 0.053 279.8)
-
Step 900
900
#3D3F58
oklch(37.7% 0.043 280.6)
-
Step 950
950
#242533
oklch(27% 0.026 281.3)
#8B90BB 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) | #8494BD | 0.013 |
| Deuteranopia (no green cones) | #8291BA | 0.013 |
| Tritanopia (no blue cones) | #7F989F | 0.057 |
| Achromatopsia (no color) | #939393 | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8B90BB
#8B90BB
oklch(66.5% 0.064 279.3)
- #9D9567
#9D9567
oklch(66.5% 0.064 99.5)
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 #8B90BB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Gray #8D99AE ΔE 0.037
- Silver Lake Blue #778DA9 ΔE 0.040
- Heather #A484AC ΔE 0.046
- Blue Grey #758DA3 ΔE 0.049
- Faded Blue #658CBB ΔE 0.051
- Bluey Grey #89A0B0 ΔE 0.052
- Greyblue #77A1B5 ΔE 0.055
- Dusty Lavender #AC86A8 ΔE 0.056
Use #8B90BB 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.