#90A9DE
Closest named color: Carolina Blue (#8AB8FE). oklch(73.5% 0.082 264.9), rgb(144, 169, 222).
Aa
Black text reads best on this color (8.91:1).
About this color
#90A9DE is a medium-light, moderately saturated blue. In OKLCH its lightness is 74%, its chroma 0.082 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Carolina Blue (#8AB8FE), ΔE 0.052 away. Black text reads best on it, at 8.91:1.
| Hue family | Blues |
| Lightness | medium-light (74%) |
| Chroma | moderately saturated (0.082) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 8.91:1 |
| White text | 2.35:1 |
Values
| HEX | #90A9DE |
| RGB | rgb(144, 169, 222) |
| HSL | hsl(221, 54%, 72%) |
| OKLCH | oklch(73.5% 0.082 264.9) |
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 #90A9DE | 2.35:1 | Fails | Lc -51.3 | Large or bold text, headings |
| Black text on #90A9DE | 8.91:1 | AAA | Lc 57.6 | Large or bold text, headings |
| #90A9DE text on white | 2.35:1 | Fails | Lc 46.4 | Large or bold text, headings |
| #90A9DE text on black | 8.91:1 | AAA | Lc -55.7 | 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
#F3F5FA
oklch(97% 0.007 268.5)
-
Step 100
100
#E5EAF4
oklch(93.6% 0.015 264.5)
-
Step 200
200
#D0D9ED
oklch(88.5% 0.029 266.4)
-
Step 300
300
#B0C1E3
oklch(80.9% 0.052 264.2)
-
Step 400
400 (this color)
#90A9DE
oklch(73.5% 0.082 264.9)
-
Step 500
500
#6A88C9
oklch(63.1% 0.104 264.7)
-
Step 600
600
#5271B6
oklch(55.7% 0.114 264.7)
-
Step 700
700
#435E9D
oklch(49.1% 0.106 265.2)
-
Step 800
800
#374D7F
oklch(42.7% 0.088 265)
-
Step 900
900
#2F4066
oklch(37.6% 0.069 265)
-
Step 950
950
#1C263C
oklch(27.1% 0.044 265)
#90A9DE 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) | #97ADE0 | 0.015 |
| Deuteranopia (no green cones) | #90A6DD | 0.008 |
| Tritanopia (no blue cones) | #78B4BB | 0.074 |
| Achromatopsia (no color) | #A9A9A9 | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90A9DE
#90A9DE
oklch(73.5% 0.082 264.9)
- #C1A66C
#C1A66C
oklch(73.6% 0.082 85.5)
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 #90A9DE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.052
- Light Grey Blue #9DBCD4 ΔE 0.062
- Cool Steel #97A7B3 ΔE 0.062
- Bluegrey #85A3B2 ΔE 0.066
- Periwinkle Blue #8F99FB ΔE 0.068
- Bluey Grey #89A0B0 ΔE 0.068
- Light Cornflower Blue #98C1D9 ΔE 0.070
- Greyblue #77A1B5 ΔE 0.070
Use #90A9DE 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.