#90A5DF
Closest named color: Carolina Blue (#8AB8FE). oklch(72.8% 0.088 268.8), rgb(144, 165, 223).
Aa
Black text reads best on this color (8.63:1).
About this color
#90A5DF is a medium-light, moderately saturated blue. In OKLCH its lightness is 73%, its chroma 0.088 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Carolina Blue (#8AB8FE), ΔE 0.058 away. Black text reads best on it, at 8.63:1.
| Hue family | Blues |
| Lightness | medium-light (73%) |
| Chroma | moderately saturated (0.088) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 8.63:1 |
| White text | 2.43:1 |
Values
| HEX | #90A5DF |
| RGB | rgb(144, 165, 223) |
| HSL | hsl(224, 55%, 72%) |
| OKLCH | oklch(72.8% 0.088 268.8) |
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 #90A5DF | 2.43:1 | Fails | Lc -52.8 | Large or bold text, headings |
| Black text on #90A5DF | 8.63:1 | AAA | Lc 56.2 | Large or bold text, headings |
| #90A5DF text on white | 2.43:1 | Fails | Lc 47.8 | Large or bold text, headings |
| #90A5DF text on black | 8.63:1 | AAA | Lc -54.2 | 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
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E5EAF5
oklch(93.6% 0.016 266.3)
-
Step 200
200
#D1D9EE
oklch(88.6% 0.03 269.1)
-
Step 300
300
#B2C0E5
oklch(80.9% 0.055 268.9)
-
Step 400
400 (this color)
#90A5DF
oklch(72.8% 0.088 268.8)
-
Step 500
500
#6D86CE
oklch(63.2% 0.113 268.5)
-
Step 600
600
#566EBB
oklch(55.6% 0.123 269.1)
-
Step 700
700
#465CA1
oklch(49.1% 0.114 268.7)
-
Step 800
800
#3A4B82
oklch(42.6% 0.094 269.2)
-
Step 900
900
#313F69
oklch(37.7% 0.074 268.7)
-
Step 950
950
#1D253D
oklch(26.9% 0.046 269.1)
#90A5DF 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) | #92AAE2 | 0.014 |
| Deuteranopia (no green cones) | #8BA3DE | 0.009 |
| Tritanopia (no blue cones) | #78B1B9 | 0.080 |
| Achromatopsia (no color) | #A6A6A6 | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90A5DF
#90A5DF
oklch(72.8% 0.088 268.8)
- #BDA464
#BDA464
oklch(72.6% 0.088 88.8)
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 #90A5DF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.058
- Periwinkle Blue #8F99FB ΔE 0.058
- Cool Steel #97A7B3 ΔE 0.067
- Bluegrey #85A3B2 ΔE 0.069
- Bluey Grey #89A0B0 ΔE 0.069
- Perrywinkle #8F8CE7 ΔE 0.070
- Pale Purple #B790D4 ΔE 0.071
- Greyblue #77A1B5 ΔE 0.072
Use #90A5DF 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.