#90ACFF
Closest named color: Carolina Blue (#8AB8FE). oklch(75.7% 0.124 269.1), rgb(144, 172, 255).
Aa
Black text reads best on this color (9.53:1).
About this color
#90ACFF is a medium-light, moderately saturated blue. In OKLCH its lightness is 76%, its chroma 0.124 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Carolina Blue (#8AB8FE), ΔE 0.032 away. Black text reads best on it, at 9.53:1.
| Hue family | Blues |
| Lightness | medium-light (76%) |
| Chroma | moderately saturated (0.124) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 9.53:1 |
| White text | 2.20:1 |
Values
| HEX | #90ACFF |
| RGB | rgb(144, 172, 255) |
| HSL | hsl(225, 100%, 78%) |
| OKLCH | oklch(75.7% 0.124 269.1) |
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 #90ACFF | 2.20:1 | Fails | Lc -48.0 | Large or bold text, headings |
| Black text on #90ACFF | 9.53:1 | AAA | Lc 60.7 | Content text, not long reading |
| #90ACFF text on white | 2.20:1 | Fails | Lc 43.3 | Non-text elements, placeholder text |
| #90ACFF text on black | 9.53:1 | AAA | Lc -58.9 | 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
#E4EAF9
oklch(93.7% 0.021 268.4)
-
Step 200
200
#CDD9F7
oklch(88.6% 0.043 268.2)
-
Step 300
300
#ACBFF4
oklch(80.9% 0.078 269.3)
-
Step 400
400 (this color)
#90ACFF
oklch(75.7% 0.124 269.1)
-
Step 500
500
#6381E8
oklch(63% 0.158 269.3)
-
Step 600
600
#4B68D7
oklch(55.5% 0.173 269.1)
-
Step 700
700
#3D56BA
oklch(49.1% 0.16 269.2)
-
Step 800
800
#324797
oklch(42.7% 0.133 269)
-
Step 900
900
#2C3C78
oklch(37.6% 0.104 269.6)
-
Step 950
950
#1A2446
oklch(27.1% 0.065 269.4)
#90ACFF 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) | #8EB4FF | 0.021 |
| Deuteranopia (no green cones) | #84AAFD | 0.016 |
| Tritanopia (no blue cones) | #68BDCA | 0.111 |
| Achromatopsia (no color) | #AFAFAF | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90ACFF
#90ACFF
oklch(75.7% 0.124 269.1)
- #D0AC48
#D0AC48
oklch(75.8% 0.124 89.2)
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 #90ACFF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.032
- Periwinkle Blue #8F99FB ΔE 0.049
- Pastel Blue #A2BFFE ΔE 0.058
- Lightblue #7BC8F6 ΔE 0.080
- Sky #82CAFC ΔE 0.081
- Pastel Purple #CAA0FF ΔE 0.082
- Perrywinkle #8F8CE7 ΔE 0.083
- Pale Violet #CEAEFA ΔE 0.085
Use #90ACFF 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.