#90B0DA
Closest named color: Light Grey Blue (#9DBCD4). oklch(74.9% 0.07 255.4), rgb(144, 176, 218).
Aa
Black text reads best on this color (9.40:1).
About this color
#90B0DA is a medium-light, moderately saturated blue. In OKLCH its lightness is 75%, its chroma 0.070 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.041 away. Black text reads best on it, at 9.40:1.
| Hue family | Blues |
| Lightness | medium-light (75%) |
| Chroma | moderately saturated (0.070) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 9.40:1 |
| White text | 2.23:1 |
Values
| HEX | #90B0DA |
| RGB | rgb(144, 176, 218) |
| HSL | hsl(214, 50%, 71%) |
| OKLCH | oklch(74.9% 0.07 255.4) |
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 #90B0DA | 2.23:1 | Fails | Lc -48.7 | Large or bold text, headings |
| Black text on #90B0DA | 9.40:1 | AAA | Lc 60.0 | Content text, not long reading |
| #90B0DA text on white | 2.23:1 | Fails | Lc 43.9 | Non-text elements, placeholder text |
| #90B0DA text on black | 9.40:1 | AAA | Lc -58.2 | 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
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E4EAF2
oklch(93.5% 0.013 255.5)
-
Step 200
200
#CFDAEA
oklch(88.5% 0.025 257.6)
-
Step 300
300
#AEC3DD
oklch(81% 0.043 253.8)
-
Step 400
400 (this color)
#90B0DA
oklch(74.9% 0.07 255.4)
-
Step 500
500
#648CBF
oklch(63.1% 0.089 254.9)
-
Step 600
600
#4B75AC
oklch(55.6% 0.098 255.6)
-
Step 700
700
#3C6293
oklch(49.1% 0.09 255.4)
-
Step 800
800
#325078
oklch(42.7% 0.076 256)
-
Step 900
900
#2C4360
oklch(37.8% 0.058 254.7)
-
Step 950
950
#1A2738
oklch(26.9% 0.037 255.4)
#90B0DA 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) | #A1B2DC | 0.023 |
| Deuteranopia (no green cones) | #99AAD9 | 0.018 |
| Tritanopia (no blue cones) | #79B9BE | 0.061 |
| Achromatopsia (no color) | #ADADAD | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90B0DA
#90B0DA
oklch(74.9% 0.07 255.4)
- #C8A87B
#C8A87B
oklch(74.9% 0.071 75.8)
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 #90B0DA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.041
- Light Cornflower Blue #98C1D9 ΔE 0.049
- Carolina Blue #8AB8FE ΔE 0.051
- Cool Steel #97A7B3 ΔE 0.055
- French Gray #ADB5BD ΔE 0.060
- Bluegrey #85A3B2 ΔE 0.064
- Cloudy Blue #ACC2D9 ΔE 0.064
- Pastel Blue #A2BFFE ΔE 0.064
Use #90B0DA 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.