#90AAFA
Closest named color: Carolina Blue (#8AB8FE). oklch(75% 0.119 269.6), rgb(144, 170, 250).
Aa
Black text reads best on this color (9.31:1).
About this color
#90AAFA is a medium-light, moderately saturated blue. In OKLCH its lightness is 75%, its chroma 0.119 and its hue 270°. 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 9.31:1.
| Hue family | Blues |
| Lightness | medium-light (75%) |
| Chroma | moderately saturated (0.119) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 9.31:1 |
| White text | 2.25:1 |
Values
| HEX | #90AAFA |
| RGB | rgb(144, 170, 250) |
| HSL | hsl(225, 91%, 77%) |
| OKLCH | oklch(75% 0.119 269.6) |
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 #90AAFA | 2.25:1 | Fails | Lc -49.2 | Large or bold text, headings |
| Black text on #90AAFA | 9.31:1 | AAA | Lc 59.6 | Large or bold text, headings |
| #90AAFA text on white | 2.25:1 | Fails | Lc 44.4 | Non-text elements, placeholder text |
| #90AAFA text on black | 9.31:1 | AAA | Lc -57.8 | 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
#E4EAF9
oklch(93.7% 0.021 268.4)
-
Step 200
200
#CED9F5
oklch(88.6% 0.04 268.5)
-
Step 300
300
#ADBFF2
oklch(80.9% 0.075 269.5)
-
Step 400
400 (this color)
#90AAFA
oklch(75% 0.119 269.6)
-
Step 500
500
#6582E5
oklch(63.1% 0.152 269.4)
-
Step 600
600
#4E69D3
oklch(55.6% 0.166 269.6)
-
Step 700
700
#3F57B7
oklch(49.2% 0.154 269.4)
-
Step 800
800
#344794
oklch(42.6% 0.128 269.8)
-
Step 900
900
#2D3D76
oklch(37.8% 0.099 269.4)
-
Step 950
950
#1A2445
oklch(27% 0.063 269.2)
#90AAFA 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) | #8EB2FD | 0.020 |
| Deuteranopia (no green cones) | #84A8F8 | 0.016 |
| Tritanopia (no blue cones) | #6BBAC7 | 0.106 |
| Achromatopsia (no color) | #ADADAD | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90AAFA
#90AAFA
oklch(75% 0.119 269.6)
- #CCAA4C
#CCAA4C
oklch(75% 0.119 89.3)
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 #90AAFA, 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 0.045
- Pastel Blue #A2BFFE ΔE 0.062
- Perrywinkle #8F8CE7 ΔE 0.077
- Cornflower Blue #6495ED ΔE 0.081
- Lightblue #7BC8F6 ΔE 0.083
- Pastel Purple #CAA0FF ΔE 0.083
- Sky #82CAFC ΔE 0.084
Use #90AAFA 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.