#90ABFF
Closest named color: Carolina Blue (#8AB8FE). oklch(75.5% 0.125 269.7), rgb(144, 171, 255).
Aa
Black text reads best on this color (9.45:1).
About this color
#90ABFF is a medium-light, moderately saturated blue. In OKLCH its lightness is 75%, its chroma 0.125 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Carolina Blue (#8AB8FE), ΔE 0.035 away. Black text reads best on it, at 9.45:1.
| Hue family | Blues |
| Lightness | medium-light (75%) |
| Chroma | moderately saturated (0.125) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 9.45:1 |
| White text | 2.22:1 |
Values
| HEX | #90ABFF |
| RGB | rgb(144, 171, 255) |
| HSL | hsl(225, 100%, 78%) |
| OKLCH | oklch(75.5% 0.125 269.7) |
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 #90ABFF | 2.22:1 | Fails | Lc -48.4 | Large or bold text, headings |
| Black text on #90ABFF | 9.45:1 | AAA | Lc 60.3 | Content text, not long reading |
| #90ABFF text on white | 2.22:1 | Fails | Lc 43.7 | Non-text elements, placeholder text |
| #90ABFF text on black | 9.45:1 | AAA | Lc -58.5 | 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
#F2F5FD
oklch(97% 0.011 269.6)
-
Step 100
100
#E4EAFA
oklch(93.7% 0.023 269.4)
-
Step 200
200
#CED9F7
oklch(88.6% 0.043 269.5)
-
Step 300
300
#ACBFF4
oklch(80.9% 0.078 269.3)
-
Step 400
400 (this color)
#90ABFF
oklch(75.5% 0.125 269.7)
-
Step 500
500
#6481E9
oklch(63.1% 0.159 269.7)
-
Step 600
600
#4C68D7
oklch(55.6% 0.173 269.4)
-
Step 700
700
#3E56BB
oklch(49.2% 0.161 269.5)
-
Step 800
800
#334797
oklch(42.8% 0.133 269.5)
-
Step 900
900
#2C3C78
oklch(37.6% 0.104 269.6)
-
Step 950
950
#1A2446
oklch(27.1% 0.065 269.4)
#90ABFF 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) | #8DB3FF | 0.021 |
| Deuteranopia (no green cones) | #82AAFD | 0.017 |
| Tritanopia (no blue cones) | #69BCC9 | 0.112 |
| Achromatopsia (no color) | #AEAEAE | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90ABFF
#90ABFF
oklch(75.5% 0.125 269.7)
- #CFAB46
#CFAB46
oklch(75.5% 0.125 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 #90ABFF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.035
- Periwinkle Blue #8F99FB ΔE 0.046
- Pastel Blue #A2BFFE ΔE 0.060
- Perrywinkle #8F8CE7 ΔE 0.081
- Pastel Purple #CAA0FF ΔE 0.082
- Lightblue #7BC8F6 ΔE 0.083
- Sky #82CAFC ΔE 0.084
- Cornflower Blue #6495ED ΔE 0.084
Use #90ABFF 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.