#90BDDF
Closest named color: Light Cornflower Blue (#98C1D9). oklch(77.8% 0.068 241.3), rgb(144, 189, 223).
Aa
Black text reads best on this color (10.53:1).
About this color
#90BDDF is a medium-light, muted blue. In OKLCH its lightness is 78%, its chroma 0.068 and its hue 241°. Its hue sits on the cool side of the wheel. The nearest named color is Light Cornflower Blue (#98C1D9), ΔE 0.019 away. Black text reads best on it, at 10.53:1.
| Hue family | Blues |
| Lightness | medium-light (78%) |
| Chroma | muted (0.068) |
| Temperature | cool |
| Nearest name | Light Cornflower Blue (#98C1D9) |
| Black text | 10.53:1 |
| White text | 1.99:1 |
Values
| HEX | #90BDDF |
| RGB | rgb(144, 189, 223) |
| HSL | hsl(206, 55%, 72%) |
| OKLCH | oklch(77.8% 0.068 241.3) |
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 #90BDDF | 1.99:1 | Fails | Lc -43.0 | Non-text elements, placeholder text |
| Black text on #90BDDF | 10.53:1 | AAA | Lc 65.4 | Content text, not long reading |
| #90BDDF text on white | 1.99:1 | Fails | Lc 38.5 | Non-text elements, placeholder text |
| #90BDDF text on black | 10.53:1 | AAA | Lc -63.8 | 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
#F0F6FB
oklch(97% 0.009 242.8)
-
Step 100
100
#DFECF6
oklch(93.6% 0.019 240.7)
-
Step 200
200
#C4DDF0
oklch(88.5% 0.037 240.7)
-
Step 300
300 (this color)
#90BDDF
oklch(77.8% 0.068 241.3)
-
Step 400
400
#5DA9DE
oklch(70.7% 0.109 241)
-
Step 500
500
#1D92D5
oklch(63.1% 0.139 241.1)
-
Step 600
600
#007BB8
oklch(55.7% 0.13 241.1)
-
Step 700
700
#00679B
oklch(49.1% 0.115 241)
-
Step 800
800
#005480
oklch(42.6% 0.1 241.3)
-
Step 900
900
#00466C
oklch(37.7% 0.089 241.5)
-
Step 950
950
#052940
oklch(26.9% 0.058 242)
#90BDDF 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) | #AFBCE1 | 0.038 |
| Deuteranopia (no green cones) | #A4B4DE | 0.032 |
| Tritanopia (no blue cones) | #75C5C8 | 0.054 |
| Achromatopsia (no color) | #B8B8B8 | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90BDDF
#90BDDF
oklch(77.8% 0.068 241.3)
- #D7AD8A
#D7AD8A
oklch(77.7% 0.068 61.4)
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 #90BDDF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Cornflower Blue #98C1D9 ΔE 0.019
- Light Grey Blue #9DBCD4 ΔE 0.020
- Cloudy Blue #ACC2D9 ΔE 0.039
- Lightblue #7BC8F6 ΔE 0.040
- Sky Blue #87CEEB ΔE 0.044
- Light Steel Blue #B0C4DE ΔE 0.045
- Sky #82CAFC ΔE 0.046
- Light Sky Blue #87CEFA ΔE 0.050
Use #90BDDF 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.