#90AEF2
Closest named color: Carolina Blue (#8AB8FE). oklch(75.5% 0.104 265.7), rgb(144, 174, 242).
Aa
Black text reads best on this color (9.52:1).
About this color
#90AEF2 is a medium-light, moderately saturated blue. In OKLCH its lightness is 75%, its chroma 0.104 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Carolina Blue (#8AB8FE), ΔE 0.027 away. Black text reads best on it, at 9.52:1.
| Hue family | Blues |
| Lightness | medium-light (75%) |
| Chroma | moderately saturated (0.104) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 9.52:1 |
| White text | 2.20:1 |
Values
| HEX | #90AEF2 |
| RGB | rgb(144, 174, 242) |
| HSL | hsl(222, 79%, 76%) |
| OKLCH | oklch(75.5% 0.104 265.7) |
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 #90AEF2 | 2.20:1 | Fails | Lc -48.1 | Large or bold text, headings |
| Black text on #90AEF2 | 9.52:1 | AAA | Lc 60.6 | Content text, not long reading |
| #90AEF2 text on white | 2.20:1 | Fails | Lc 43.4 | Non-text elements, placeholder text |
| #90AEF2 text on black | 9.52:1 | AAA | Lc -58.8 | 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
#CED9F2
oklch(88.5% 0.036 266.7)
-
Step 300
300
#ADC0EC
oklch(80.8% 0.066 266.6)
-
Step 400
400 (this color)
#90AEF2
oklch(75.5% 0.104 265.7)
-
Step 500
500
#6386DA
oklch(63.2% 0.133 265.7)
-
Step 600
600
#4A6EC7
oklch(55.6% 0.144 265.4)
-
Step 700
700
#3C5BAC
oklch(49.1% 0.134 265.9)
-
Step 800
800
#314B8B
oklch(42.7% 0.111 265.4)
-
Step 900
900
#2B3F6F
oklch(37.6% 0.086 265.4)
-
Step 950
950
#192541
oklch(26.9% 0.055 265.3)
#90AEF2 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) | #96B3F5 | 0.016 |
| Deuteranopia (no green cones) | #8DABF0 | 0.009 |
| Tritanopia (no blue cones) | #6FBCC6 | 0.093 |
| Achromatopsia (no color) | #AFAFAF | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90AEF2
#90AEF2
oklch(75.5% 0.104 265.7)
- #CDAB5E
#CDAB5E
oklch(75.5% 0.104 86)
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 #90AEF2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.027
- Pastel Blue #A2BFFE ΔE 0.052
- Periwinkle Blue #8F99FB ΔE 0.060
- Light Grey Blue #9DBCD4 ΔE 0.068
- Lightblue #7BC8F6 ΔE 0.069
- Sky #82CAFC ΔE 0.072
- Light Cornflower Blue #98C1D9 ΔE 0.073
- Cloudy Blue #ACC2D9 ΔE 0.083
Use #90AEF2 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.