#90C5DA
Closest named color: Light Cornflower Blue (#98C1D9). oklch(79.4% 0.063 224.4), rgb(144, 197, 218).
Aa
Black text reads best on this color (11.18:1).
About this color
#90C5DA is a light, muted teal or cyan. In OKLCH its lightness is 79%, its chroma 0.063 and its hue 224°. Its hue sits on the cool side of the wheel. The nearest named color is Light Cornflower Blue (#98C1D9), ΔE 0.013 away. Black text reads best on it, at 11.18:1.
| Hue family | Teals and cyans |
| Lightness | light (79%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | Light Cornflower Blue (#98C1D9) |
| Black text | 11.18:1 |
| White text | 1.87:1 |
Values
| HEX | #90C5DA |
| RGB | rgb(144, 197, 218) |
| HSL | hsl(197, 50%, 71%) |
| OKLCH | oklch(79.4% 0.063 224.4) |
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 #90C5DA | 1.87:1 | Fails | Lc -39.7 | Non-text elements, placeholder text |
| Black text on #90C5DA | 11.18:1 | AAA | Lc 68.4 | Content text, not long reading |
| #90C5DA text on white | 1.87:1 | Fails | Lc 35.5 | Non-text elements, placeholder text |
| #90C5DA text on black | 11.18:1 | AAA | Lc -67.0 | 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
#F0F7FA
oklch(97.2% 0.008 225.1)
-
Step 100
100
#DEEDF3
oklch(93.7% 0.018 223.6)
-
Step 200
200
#C2DFEA
oklch(88.6% 0.034 222.7)
-
Step 300
300 (this color)
#90C5DA
oklch(79.4% 0.063 224.4)
-
Step 400
400
#51AECF
oklch(70.8% 0.1 224.3)
-
Step 500
500
#0098BF
oklch(63.2% 0.119 224.4)
-
Step 600
600
#007FA1
oklch(55.5% 0.105 225)
-
Step 700
700
#006B88
oklch(49.1% 0.093 224.9)
-
Step 800
800
#005870
oklch(42.8% 0.081 224.4)
-
Step 900
900
#00495E
oklch(37.7% 0.071 225)
-
Step 950
950
#002B39
oklch(26.9% 0.051 225.5)
#90C5DA 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) | #B9C2DB | 0.050 |
| Deuteranopia (no green cones) | #AEB9DA | 0.046 |
| Tritanopia (no blue cones) | #76CCCB | 0.043 |
| Achromatopsia (no color) | #BDBDBD | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90C5DA
#90C5DA
oklch(79.4% 0.063 224.4)
- #DFB09B
#DFB09B
oklch(79.4% 0.062 45.3)
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 #90C5DA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Cornflower Blue #98C1D9 ΔE 0.013
- Light Grey Blue #9DBCD4 ΔE 0.026
- Sky Blue #87CEEB ΔE 0.029
- Cloudy Blue #ACC2D9 ΔE 0.033
- Light Steel Blue #B0C4DE ΔE 0.039
- Lightblue #7BC8F6 ΔE 0.042
- Light Sky Blue #87CEFA ΔE 0.045
- Sky #82CAFC ΔE 0.047
Use #90C5DA 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.