#90ABDA
Closest named color: Light Grey Blue (#9DBCD4). oklch(73.8% 0.075 261.4), rgb(144, 171, 218).
Aa
Black text reads best on this color (9.02:1).
About this color
#90ABDA is a medium-light, moderately saturated blue. In OKLCH its lightness is 74%, its chroma 0.075 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.054 away. Black text reads best on it, at 9.02:1.
| Hue family | Blues |
| Lightness | medium-light (74%) |
| Chroma | moderately saturated (0.075) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 9.02:1 |
| White text | 2.32:1 |
Values
| HEX | #90ABDA |
| RGB | rgb(144, 171, 218) |
| HSL | hsl(218, 50%, 71%) |
| OKLCH | oklch(73.8% 0.075 261.4) |
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 #90ABDA | 2.32:1 | Fails | Lc -50.8 | Large or bold text, headings |
| Black text on #90ABDA | 9.02:1 | AAA | Lc 58.1 | Large or bold text, headings |
| #90ABDA text on white | 2.32:1 | Fails | Lc 45.9 | Large or bold text, headings |
| #90ABDA text on black | 9.02:1 | AAA | Lc -56.2 | 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
#F3F6FA
oklch(97.2% 0.006 255.5)
-
Step 100
100
#E5EAF3
oklch(93.6% 0.013 262.4)
-
Step 200
200
#D0DAEB
oklch(88.6% 0.026 261.1)
-
Step 300
300
#B0C1E0
oklch(80.8% 0.048 262.5)
-
Step 400
400 (this color)
#90ABDA
oklch(73.8% 0.075 261.4)
-
Step 500
500
#698AC3
oklch(63.2% 0.094 261)
-
Step 600
600
#5073B0
oklch(55.7% 0.104 261)
-
Step 700
700
#416097
oklch(49.1% 0.096 261.2)
-
Step 800
800
#364E7B
oklch(42.6% 0.081 262.2)
-
Step 900
900
#2F4163
oklch(37.6% 0.063 262.4)
-
Step 950
950
#1B263A
oklch(26.9% 0.041 261.9)
#90ABDA 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) | #9BAEDC | 0.017 |
| Deuteranopia (no green cones) | #93A7D9 | 0.011 |
| Tritanopia (no blue cones) | #7AB5BB | 0.067 |
| Achromatopsia (no color) | #AAAAAA | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90ABDA
#90ABDA
oklch(73.8% 0.075 261.4)
- #C2A673
#C2A673
oklch(73.8% 0.075 82)
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 #90ABDA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.054
- Carolina Blue #8AB8FE ΔE 0.054
- Cool Steel #97A7B3 ΔE 0.055
- Bluegrey #85A3B2 ΔE 0.061
- Light Cornflower Blue #98C1D9 ΔE 0.063
- Bluey Grey #89A0B0 ΔE 0.063
- Greyblue #77A1B5 ΔE 0.067
- French Gray #ADB5BD ΔE 0.068
Use #90ABDA 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.