#90ADCE
Closest named color: Cool Steel (#97A7B3). oklch(73.7% 0.058 251.9), rgb(144, 173, 206).
Aa
Black text reads best on this color (9.05:1).
About this color
#90ADCE is a medium-light, muted blue. In OKLCH its lightness is 74%, its chroma 0.058 and its hue 252°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Steel (#97A7B3), ΔE 0.038 away. Black text reads best on it, at 9.05:1.
| Hue family | Blues |
| Lightness | medium-light (74%) |
| Chroma | muted (0.058) |
| Temperature | cool |
| Nearest name | Cool Steel (#97A7B3) |
| Black text | 9.05:1 |
| White text | 2.31:1 |
Values
| HEX | #90ADCE |
| RGB | rgb(144, 173, 206) |
| HSL | hsl(212, 39%, 69%) |
| OKLCH | oklch(73.7% 0.058 251.9) |
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 #90ADCE | 2.31:1 | Fails | Lc -50.6 | Large or bold text, headings |
| Black text on #90ADCE | 9.05:1 | AAA | Lc 58.3 | Large or bold text, headings |
| #90ADCE text on white | 2.31:1 | Fails | Lc 45.7 | Large or bold text, headings |
| #90ADCE text on black | 9.05:1 | AAA | Lc -56.4 | 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
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E5EAF1
oklch(93.5% 0.011 256.7)
-
Step 200
200
#D0DAE6
oklch(88.4% 0.02 252.9)
-
Step 300
300
#B0C3D8
oklch(80.9% 0.036 250.9)
-
Step 400
400 (this color)
#90ADCE
oklch(73.7% 0.058 251.9)
-
Step 500
500
#688DB5
oklch(63.2% 0.073 251)
-
Step 600
600
#5076A1
oklch(55.6% 0.08 252.3)
-
Step 700
700
#40638A
oklch(49% 0.075 252)
-
Step 800
800
#355170
oklch(42.7% 0.062 251.8)
-
Step 900
900
#2E435B
oklch(37.6% 0.049 252.4)
-
Step 950
950
#1B2735
oklch(26.8% 0.031 252.8)
#90ADCE 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) | #A1AED0 | 0.023 |
| Deuteranopia (no green cones) | #9AA7CD | 0.019 |
| Tritanopia (no blue cones) | #7EB4B8 | 0.049 |
| Achromatopsia (no color) | #AAAAAA | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90ADCE
#90ADCE
oklch(73.7% 0.058 251.9)
- #C1A582
#C1A582
oklch(73.8% 0.058 72.9)
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 #90ADCE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Steel #97A7B3 ΔE 0.038
- Light Grey Blue #9DBCD4 ΔE 0.045
- Bluegrey #85A3B2 ΔE 0.047
- Bluey Grey #89A0B0 ΔE 0.051
- French Gray #ADB5BD ΔE 0.054
- Light Cornflower Blue #98C1D9 ΔE 0.055
- Cool Grey #95A3A6 ΔE 0.056
- Greyblue #77A1B5 ΔE 0.057
Use #90ADCE 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.