#90AAF2
Closest named color: Carolina Blue (#8AB8FE). oklch(74.6% 0.108 268.5), rgb(144, 170, 242).
Aa
Black text reads best on this color (9.21:1).
About this color
#90AAF2 is a medium-light, moderately saturated blue. In OKLCH its lightness is 75%, its chroma 0.108 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Carolina Blue (#8AB8FE), ΔE 0.036 away. Black text reads best on it, at 9.21:1.
| Hue family | Blues |
| Lightness | medium-light (75%) |
| Chroma | moderately saturated (0.108) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 9.21:1 |
| White text | 2.27:1 |
Values
| HEX | #90AAF2 |
| RGB | rgb(144, 170, 242) |
| HSL | hsl(224, 79%, 76%) |
| OKLCH | oklch(74.6% 0.108 268.5) |
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 #90AAF2 | 2.27:1 | Fails | Lc -49.7 | Large or bold text, headings |
| Black text on #90AAF2 | 9.21:1 | AAA | Lc 59.1 | Large or bold text, headings |
| #90AAF2 text on white | 2.27:1 | Fails | Lc 44.9 | Non-text elements, placeholder text |
| #90AAF2 text on black | 9.21:1 | AAA | Lc -57.3 | 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
#E4EAF8
oklch(93.7% 0.02 267.3)
-
Step 200
200
#CFD9F3
oklch(88.6% 0.037 268.9)
-
Step 300
300
#AEC0ED
oklch(81% 0.067 267.8)
-
Step 400
400 (this color)
#90AAF2
oklch(74.6% 0.108 268.5)
-
Step 500
500
#6684DD
oklch(63.1% 0.138 268.2)
-
Step 600
600
#4F6BCB
oklch(55.5% 0.152 268.8)
-
Step 700
700
#4059AF
oklch(49.1% 0.14 268.6)
-
Step 800
800
#35498E
oklch(42.7% 0.116 268.9)
-
Step 900
900
#2E3E71
oklch(37.7% 0.09 268.7)
-
Step 950
950
#1B2542
oklch(27.1% 0.056 268.2)
#90AAF2 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) | #91B0F5 | 0.016 |
| Deuteranopia (no green cones) | #88A8F0 | 0.012 |
| Tritanopia (no blue cones) | #70B9C4 | 0.097 |
| Achromatopsia (no color) | #ACACAC | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90AAF2
#90AAF2
oklch(74.6% 0.108 268.5)
- #C9A957
#C9A957
oklch(74.7% 0.108 88.3)
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 #90AAF2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.036
- Periwinkle Blue #8F99FB ΔE 0.050
- Pastel Blue #A2BFFE ΔE 0.062
- Perrywinkle #8F8CE7 ΔE 0.077
- Light Grey Blue #9DBCD4 ΔE 0.077
- Lightblue #7BC8F6 ΔE 0.080
- Cornflower Blue #6495ED ΔE 0.080
- Light Cornflower Blue #98C1D9 ΔE 0.082
Use #90AAF2 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.