#90A9FA
Closest named color: Carolina Blue (#8AB8FE). oklch(74.8% 0.121 270.2), rgb(144, 169, 250).
Aa
Black text reads best on this color (9.24:1).
About this color
#90A9FA is a medium-light, moderately saturated blue. In OKLCH its lightness is 75%, its chroma 0.121 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Carolina Blue (#8AB8FE), ΔE 0.038 away. Black text reads best on it, at 9.24:1.
| Hue family | Blues |
| Lightness | medium-light (75%) |
| Chroma | moderately saturated (0.121) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 9.24:1 |
| White text | 2.27:1 |
Values
| HEX | #90A9FA |
| RGB | rgb(144, 169, 250) |
| HSL | hsl(226, 91%, 77%) |
| OKLCH | oklch(74.8% 0.121 270.2) |
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 #90A9FA | 2.27:1 | Fails | Lc -49.6 | Large or bold text, headings |
| Black text on #90A9FA | 9.24:1 | AAA | Lc 59.3 | Large or bold text, headings |
| #90A9FA text on white | 2.27:1 | Fails | Lc 44.7 | Non-text elements, placeholder text |
| #90A9FA text on black | 9.24:1 | AAA | Lc -57.4 | 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
#CED8F6
oklch(88.4% 0.043 270.9)
-
Step 300
300
#AEBFF2
oklch(80.9% 0.075 270.3)
-
Step 400
400 (this color)
#90A9FA
oklch(74.8% 0.121 270.2)
-
Step 500
500
#6681E6
oklch(63.1% 0.155 270.2)
-
Step 600
600
#4F68D4
oklch(55.6% 0.168 270.3)
-
Step 700
700
#4056B8
oklch(49.1% 0.156 270.2)
-
Step 800
800
#354795
oklch(42.8% 0.129 270.3)
-
Step 900
900
#2E3C76
oklch(37.6% 0.1 270.7)
-
Step 950
950
#1B2445
oklch(27.1% 0.063 270.3)
#90A9FA 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) | #8CB1FD | 0.020 |
| Deuteranopia (no green cones) | #83A8F8 | 0.017 |
| Tritanopia (no blue cones) | #6CBAC6 | 0.109 |
| Achromatopsia (no color) | #ACACAC | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90A9FA
#90A9FA
oklch(74.8% 0.121 270.2)
- #CBAA49
#CBAA49
oklch(74.9% 0.121 90.3)
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 #90A9FA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.038
- Periwinkle Blue #8F99FB ΔE 0.042
- Pastel Blue #A2BFFE ΔE 0.064
- Perrywinkle #8F8CE7 ΔE 0.075
- Cornflower Blue #6495ED ΔE 0.079
- Pastel Purple #CAA0FF ΔE 0.083
- Baby Purple #CA9BF7 ΔE 0.084
- Lightblue #7BC8F6 ΔE 0.085
Use #90A9FA 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.