#90A9FF
Closest named color: Carolina Blue (#8AB8FE). oklch(75.1% 0.127 270.8), rgb(144, 169, 255).
Aa
Black text reads best on this color (9.30:1).
About this color
#90A9FF is a medium-light, moderately saturated blue. In OKLCH its lightness is 75%, its chroma 0.127 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Carolina Blue (#8AB8FE), ΔE 0.040 away. Black text reads best on it, at 9.30:1.
| Hue family | Blues |
| Lightness | medium-light (75%) |
| Chroma | moderately saturated (0.127) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 9.30:1 |
| White text | 2.25:1 |
Values
| HEX | #90A9FF |
| RGB | rgb(144, 169, 255) |
| HSL | hsl(226, 100%, 78%) |
| OKLCH | oklch(75.1% 0.127 270.8) |
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 #90A9FF | 2.25:1 | Fails | Lc -49.2 | Large or bold text, headings |
| Black text on #90A9FF | 9.30:1 | AAA | Lc 59.6 | Large or bold text, headings |
| #90A9FF text on white | 2.25:1 | Fails | Lc 44.4 | Non-text elements, placeholder text |
| #90A9FF text on black | 9.30:1 | AAA | Lc -57.7 | 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
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E4E9FA
oklch(93.5% 0.024 272.8)
-
Step 200
200
#CED8F7
oklch(88.4% 0.044 271.3)
-
Step 300
300
#ADBFF5
oklch(81% 0.079 270.3)
-
Step 400
400 (this color)
#90A9FF
oklch(75.1% 0.127 270.8)
-
Step 500
500
#6680EB
oklch(63.2% 0.163 270.8)
-
Step 600
600
#4F66D9
oklch(55.5% 0.177 271)
-
Step 700
700
#4054BC
oklch(49% 0.164 270.9)
-
Step 800
800
#354698
oklch(42.8% 0.135 270.8)
-
Step 900
900
#2D3B79
oklch(37.6% 0.107 270.9)
-
Step 950
950
#1A2347
oklch(26.9% 0.068 270.7)
#90A9FF 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) | #8AB2FF | 0.024 |
| Deuteranopia (no green cones) | #80A8FD | 0.020 |
| Tritanopia (no blue cones) | #69BBC8 | 0.115 |
| Achromatopsia (no color) | #ADADAD | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90A9FF
#90A9FF
oklch(75.1% 0.127 270.8)
- #CDAA42
#CDAA42
oklch(75% 0.127 90.2)
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 #90A9FF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.040
- Periwinkle Blue #8F99FB ΔE 0.041
- Pastel Blue #A2BFFE ΔE 0.065
- Perrywinkle #8F8CE7 ΔE 0.076
- Cornflower Blue #6495ED ΔE 0.080
- Pastel Purple #CAA0FF ΔE 0.081
- Baby Purple #CA9BF7 ΔE 0.084
- Lavender Blue #8B88F8 ΔE 0.084
Use #90A9FF 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.