#90B6CF
Closest named color: Light Grey Blue (#9DBCD4). oklch(75.7% 0.055 237.3), rgb(144, 182, 207).
Aa
Black text reads best on this color (9.77:1).
About this color
#90B6CF is a medium-light, muted blue. In OKLCH its lightness is 76%, its chroma 0.055 and its hue 237°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.024 away. Black text reads best on it, at 9.77:1.
| Hue family | Blues |
| Lightness | medium-light (76%) |
| Chroma | muted (0.055) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 9.77:1 |
| White text | 2.14:1 |
Values
| HEX | #90B6CF |
| RGB | rgb(144, 182, 207) |
| HSL | hsl(204, 40%, 69%) |
| OKLCH | oklch(75.7% 0.055 237.3) |
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 #90B6CF | 2.14:1 | Fails | Lc -46.8 | Large or bold text, headings |
| Black text on #90B6CF | 9.77:1 | AAA | Lc 61.8 | Content text, not long reading |
| #90B6CF text on white | 2.14:1 | Fails | Lc 42.1 | Non-text elements, placeholder text |
| #90B6CF text on black | 9.77:1 | AAA | Lc -60.1 | Content text, not long reading |
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
#E4EBF0
oklch(93.6% 0.01 238.5)
-
Step 200
200
#CEDBE4
oklch(88.4% 0.019 237.8)
-
Step 300
300
#ADC4D4
oklch(80.8% 0.034 238.3)
-
Step 400
400 (this color)
#90B6CF
oklch(75.7% 0.055 237.3)
-
Step 500
500
#6090AF
oklch(63.1% 0.07 237.7)
-
Step 600
600
#457A9A
oklch(55.6% 0.075 236.8)
-
Step 700
700
#366784
oklch(49.2% 0.071 236.6)
-
Step 800
800
#2E546B
oklch(42.8% 0.058 236.8)
-
Step 900
900
#294557
oklch(37.6% 0.046 237.9)
-
Step 950
950
#192933
oklch(27.1% 0.028 236.7)
#90B6CF 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) | #ABB5D0 | 0.034 |
| Deuteranopia (no green cones) | #A2AECF | 0.030 |
| Tritanopia (no blue cones) | #7CBCBE | 0.041 |
| Achromatopsia (no color) | #B1B1B1 | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90B6CF
#90B6CF
oklch(75.7% 0.055 237.3)
- #CCA88F
#CCA88F
oklch(75.7% 0.055 56.5)
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 #90B6CF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.024
- Light Cornflower Blue #98C1D9 ΔE 0.033
- French Gray #ADB5BD ΔE 0.042
- Cool Steel #97A7B3 ΔE 0.048
- Cloudy Blue #ACC2D9 ΔE 0.051
- Dark Gray #A9A9A9 ΔE 0.059
- Light Steel Blue #B0C4DE ΔE 0.060
- Bluegrey #85A3B2 ΔE 0.061
Use #90B6CF 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.