#90B6CA
Closest named color: Light Grey Blue (#9DBCD4). oklch(75.5% 0.05 231.2), rgb(144, 182, 202).
Aa
Black text reads best on this color (9.72:1).
About this color
#90B6CA is a medium-light, muted blue. In OKLCH its lightness is 76%, its chroma 0.050 and its hue 231°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.027 away. Black text reads best on it, at 9.72:1.
| Hue family | Blues |
| Lightness | medium-light (76%) |
| Chroma | muted (0.050) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 9.72:1 |
| White text | 2.15:1 |
Values
| HEX | #90B6CA |
| RGB | rgb(144, 182, 202) |
| HSL | hsl(201, 35%, 68%) |
| OKLCH | oklch(75.5% 0.05 231.2) |
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 #90B6CA | 2.15:1 | Fails | Lc -47.1 | Large or bold text, headings |
| Black text on #90B6CA | 9.72:1 | AAA | Lc 61.6 | Content text, not long reading |
| #90B6CA text on white | 2.15:1 | Fails | Lc 42.4 | Non-text elements, placeholder text |
| #90B6CA text on black | 9.72:1 | AAA | Lc -59.8 | 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
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E4EBEF
oklch(93.6% 0.009 232.4)
-
Step 200
200
#CEDBE3
oklch(88.4% 0.018 234.5)
-
Step 300
300
#ADC5D1
oklch(80.9% 0.031 229.3)
-
Step 400
400 (this color)
#90B6CA
oklch(75.5% 0.05 231.2)
-
Step 500
500
#6091A9
oklch(63.1% 0.064 230.2)
-
Step 600
600
#467B95
oklch(55.7% 0.069 231.1)
-
Step 700
700
#37677F
oklch(49% 0.065 231.9)
-
Step 800
800
#2E5467
oklch(42.6% 0.054 231.6)
-
Step 900
900
#2A4654
oklch(37.8% 0.041 231)
-
Step 950
950
#192931
oklch(27% 0.026 230.6)
#90B6CA 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) | #ACB4CB | 0.036 |
| Deuteranopia (no green cones) | #A4AECA | 0.032 |
| Tritanopia (no blue cones) | #7EBCBC | 0.037 |
| Achromatopsia (no color) | #B0B0B0 | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90B6CA
#90B6CA
oklch(75.5% 0.05 231.2)
- #CAA793
#CAA793
oklch(75.4% 0.05 51.4)
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 #90B6CA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.027
- Light Cornflower Blue #98C1D9 ΔE 0.035
- French Gray #ADB5BD ΔE 0.039
- Cool Steel #97A7B3 ΔE 0.044
- Cloudy Blue #ACC2D9 ΔE 0.052
- Dark Gray #A9A9A9 ΔE 0.054
- Bluegrey #85A3B2 ΔE 0.058
- Pewter #96A8A1 ΔE 0.059
Use #90B6CA 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.