#8D90A5
Closest named color: Cool Gray (#8D99AE). oklch(65.8% 0.031 279.1), rgb(141, 144, 165).
Aa
Black text reads best on this color (6.66:1).
About this color
#8D90A5 is a medium-light, muted blue. In OKLCH its lightness is 66%, its chroma 0.031 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Gray (#8D99AE), ΔE 0.025 away. Black text reads best on it, at 6.66:1.
| Hue family | Blues |
| Lightness | medium-light (66%) |
| Chroma | muted (0.031) |
| Temperature | cool |
| Nearest name | Cool Gray (#8D99AE) |
| Black text | 6.66:1 |
| White text | 3.15:1 |
Values
| HEX | #8D90A5 |
| RGB | rgb(141, 144, 165) |
| HSL | hsl(233, 12%, 60%) |
| OKLCH | oklch(65.8% 0.031 279.1) |
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 #8D90A5 | 3.15:1 | AA large text | Lc -64.0 | Content text, not long reading |
| Black text on #8D90A5 | 6.66:1 | AA | Lc 45.4 | Large or bold text, headings |
| #8D90A5 text on white | 3.15:1 | AA large text | Lc 58.6 | Large or bold text, headings |
| #8D90A5 text on black | 6.66:1 | AA | Lc -43.1 | 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
#F5F5F7
oklch(97.1% 0.003 286.4)
-
Step 100
100
#E9E9ED
oklch(93.5% 0.005 286.3)
-
Step 200
200
#D8D9DF
oklch(88.6% 0.008 278.6)
-
Step 300
300
#BEC0CB
oklch(81% 0.016 277.8)
-
Step 400
400
#9D9FB0
oklch(70.6% 0.025 280.4)
-
Step 500
500 (this color)
#8D90A5
oklch(65.8% 0.031 279.1)
-
Step 600
600
#6F7287
oklch(55.7% 0.033 278.9)
-
Step 700
700
#5C5F73
oklch(49% 0.032 278.4)
-
Step 800
800
#4C4E5D
oklch(42.8% 0.025 279.3)
-
Step 900
900
#3F414D
oklch(37.8% 0.021 277.9)
-
Step 950
950
#25262D
oklch(27.1% 0.013 279.1)
#8D90A5 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) | #8B92A6 | 0.006 |
| Deuteranopia (no green cones) | #8990A4 | 0.006 |
| Tritanopia (no blue cones) | #889497 | 0.028 |
| Achromatopsia (no color) | #919191 | 0.031 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8D90A5
#8D90A5
oklch(65.8% 0.031 279.1)
- #96927D
#96927D
oklch(65.7% 0.03 98.3)
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 #8D90A5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Gray #8D99AE ΔE 0.025
- Silver Lake Blue #778DA9 ΔE 0.033
- Blue Grey #758DA3 ΔE 0.035
- Bluey Grey #89A0B0 ΔE 0.042
- Light Slate Gray #778899 ΔE 0.042
- Warm Grey #978A84 ΔE 0.047
- Purpley Grey #947E94 ΔE 0.048
- Heather #A484AC ΔE 0.049
Use #8D90A5 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.