#90B0EB
Closest named color: Carolina Blue (#8AB8FE). oklch(75.6% 0.093 262.3), rgb(144, 176, 235).
Aa
Black text reads best on this color (9.59:1).
About this color
#90B0EB is a medium-light, moderately saturated blue. In OKLCH its lightness is 76%, its chroma 0.093 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Carolina Blue (#8AB8FE), ΔE 0.030 away. Black text reads best on it, at 9.59:1.
| Hue family | Blues |
| Lightness | medium-light (76%) |
| Chroma | moderately saturated (0.093) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 9.59:1 |
| White text | 2.18:1 |
Values
| HEX | #90B0EB |
| RGB | rgb(144, 176, 235) |
| HSL | hsl(219, 69%, 74%) |
| OKLCH | oklch(75.6% 0.093 262.3) |
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 #90B0EB | 2.18:1 | Fails | Lc -47.7 | Large or bold text, headings |
| Black text on #90B0EB | 9.59:1 | AAA | Lc 61.0 | Content text, not long reading |
| #90B0EB text on white | 2.18:1 | Fails | Lc 43.0 | Non-text elements, placeholder text |
| #90B0EB text on black | 9.59:1 | AAA | Lc -59.2 | 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
#F3F6FB
oklch(97.2% 0.007 260.7)
-
Step 100
100
#E4EAF5
oklch(93.6% 0.016 262.8)
-
Step 200
200
#CEDAEF
oklch(88.6% 0.032 261.7)
-
Step 300
300
#ADC1E7
oklch(80.9% 0.058 263.2)
-
Step 400
400 (this color)
#90B0EB
oklch(75.6% 0.093 262.3)
-
Step 500
500
#6288D1
oklch(63.1% 0.119 262.6)
-
Step 600
600
#4971BE
oklch(55.7% 0.128 262.3)
-
Step 700
700
#3A5EA4
oklch(49.1% 0.12 262.3)
-
Step 800
800
#304D85
oklch(42.7% 0.1 262.3)
-
Step 900
900
#2B416A
oklch(37.8% 0.076 262)
-
Step 950
950
#19263E
oklch(27% 0.049 262)
#90B0EB 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) | #9BB4EE | 0.018 |
| Deuteranopia (no green cones) | #92ABEA | 0.013 |
| Tritanopia (no blue cones) | #72BCC4 | 0.082 |
| Achromatopsia (no color) | #AFAFAF | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90B0EB
#90B0EB
oklch(75.6% 0.093 262.3)
- #CDAA69
#CDAA69
oklch(75.5% 0.093 82)
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 #90B0EB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.030
- Pastel Blue #A2BFFE ΔE 0.051
- Light Grey Blue #9DBCD4 ΔE 0.056
- Light Cornflower Blue #98C1D9 ΔE 0.061
- Lightblue #7BC8F6 ΔE 0.063
- Sky #82CAFC ΔE 0.067
- Periwinkle Blue #8F99FB ΔE 0.071
- Cloudy Blue #ACC2D9 ΔE 0.073
Use #90B0EB 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.