#90A8EF
Closest named color: Carolina Blue (#8AB8FE). oklch(74.1% 0.107 269.4), rgb(144, 168, 239).
Aa
Black text reads best on this color (9.03:1).
About this color
#90A8EF is a medium-light, moderately saturated blue. In OKLCH its lightness is 74%, its chroma 0.107 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Carolina Blue (#8AB8FE), ΔE 0.042 away. Black text reads best on it, at 9.03:1.
| Hue family | Blues |
| Lightness | medium-light (74%) |
| Chroma | moderately saturated (0.107) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 9.03:1 |
| White text | 2.32:1 |
Values
| HEX | #90A8EF |
| RGB | rgb(144, 168, 239) |
| HSL | hsl(225, 75%, 75%) |
| OKLCH | oklch(74.1% 0.107 269.4) |
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 #90A8EF | 2.32:1 | Fails | Lc -50.7 | Large or bold text, headings |
| Black text on #90A8EF | 9.03:1 | AAA | Lc 58.2 | Large or bold text, headings |
| #90A8EF text on white | 2.32:1 | Fails | Lc 45.8 | Large or bold text, headings |
| #90A8EF text on black | 9.03:1 | AAA | Lc -56.3 | 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
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E4EAF7
oklch(93.6% 0.019 266)
-
Step 200
200
#CFD9F2
oklch(88.5% 0.036 268.3)
-
Step 300
300
#AFBFED
oklch(80.8% 0.068 269.9)
-
Step 400
400 (this color)
#90A8EF
oklch(74.1% 0.107 269.4)
-
Step 500
500
#6983DC
oklch(63% 0.137 269.8)
-
Step 600
600
#516BC9
oklch(55.5% 0.148 269.5)
-
Step 700
700
#4259AE
oklch(49.1% 0.138 269.4)
-
Step 800
800
#36498D
oklch(42.7% 0.115 269.3)
-
Step 900
900
#2F3E70
oklch(37.7% 0.088 269.3)
-
Step 950
950
#1B2442
oklch(26.9% 0.057 269.6)
#90A8EF 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) | #90AEF2 | 0.015 |
| Deuteranopia (no green cones) | #87A6ED | 0.013 |
| Tritanopia (no blue cones) | #71B6C1 | 0.095 |
| Achromatopsia (no color) | #AAAAAA | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90A8EF
#90A8EF
oklch(74.1% 0.107 269.4)
- #C6A857
#C6A857
oklch(74.2% 0.107 89.4)
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 #90A8EF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.042
- Periwinkle Blue #8F99FB ΔE 0.047
- Pastel Blue #A2BFFE ΔE 0.067
- Perrywinkle #8F8CE7 ΔE 0.072
- Cornflower Blue #6495ED ΔE 0.077
- Pale Purple #B790D4 ΔE 0.078
- Light Grey Blue #9DBCD4 ΔE 0.079
- Lightblue #7BC8F6 ΔE 0.084
Use #90A8EF 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.