#90BDFB
Closest named color: Carolina Blue (#8AB8FE). oklch(79% 0.101 256.5), rgb(144, 189, 251).
Aa
Black text reads best on this color (10.85:1).
About this color
#90BDFB is a light, moderately saturated blue. In OKLCH its lightness is 79%, its chroma 0.101 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Carolina Blue (#8AB8FE), ΔE 0.017 away. Black text reads best on it, at 10.85:1.
| Hue family | Blues |
| Lightness | light (79%) |
| Chroma | moderately saturated (0.101) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 10.85:1 |
| White text | 1.93:1 |
Values
| HEX | #90BDFB |
| RGB | rgb(144, 189, 251) |
| HSL | hsl(215, 93%, 77%) |
| OKLCH | oklch(79% 0.101 256.5) |
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 #90BDFB | 1.93:1 | Fails | Lc -41.3 | Non-text elements, placeholder text |
| Black text on #90BDFB | 10.85:1 | AAA | Lc 66.9 | Content text, not long reading |
| #90BDFB text on white | 1.93:1 | Fails | Lc 37.0 | Non-text elements, placeholder text |
| #90BDFB text on black | 10.85:1 | AAA | Lc -65.5 | Content text, not long reading |
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 300.
-
Step 50
50
#F0F6FF
oklch(97.1% 0.014 258.3)
-
Step 100
100
#DEEBFE
oklch(93.6% 0.029 257.8)
-
Step 200
200
#C2DBFF
oklch(88.5% 0.057 257.5)
-
Step 300
300 (this color)
#90BDFB
oklch(79% 0.101 256.5)
-
Step 400
400
#5CA1FF
oklch(70.6% 0.155 256.6)
-
Step 500
500
#2286FF
oklch(63.1% 0.2 256.5)
-
Step 600
600
#006EE1
oklch(55.5% 0.194 256.7)
-
Step 700
700
#005DBF
oklch(49.2% 0.171 256.5)
-
Step 800
800
#004B9E
oklch(42.6% 0.15 256.7)
-
Step 900
900
#003F85
oklch(37.8% 0.131 256.3)
-
Step 950
950
#04254F
oklch(27% 0.086 256.5)
#90BDFB 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) | #A6C0FE | 0.029 |
| Deuteranopia (no green cones) | #99B6FA | 0.020 |
| Tritanopia (no blue cones) | #68CBD2 | 0.090 |
| Achromatopsia (no color) | #BABABA | 0.101 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90BDFB
#90BDFB
oklch(79% 0.101 256.5)
- #DFB26E
#DFB26E
oklch(79% 0.101 76.8)
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 #90BDFB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.017
- Pastel Blue #A2BFFE ΔE 0.023
- Sky #82CAFC ΔE 0.036
- Lightblue #7BC8F6 ΔE 0.037
- Light Sky Blue #87CEFA ΔE 0.046
- Light Cornflower Blue #98C1D9 ΔE 0.054
- Baby Blue #A2CFFE ΔE 0.054
- Light Grey Blue #9DBCD4 ΔE 0.057
Use #90BDFB 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.