#90C8EE#90C8EE

#90C8EE is a light, moderate cyan. Relative luminance 0.534; OKLCH L 80.8% C 0.079 H 238.7°. Best body text is #000000 at 11.68:1 contrast (WCAG AA passes).

Color values

HEX	#90C8EE
RGB	rgb(144, 200, 238)
HSL	hsl(204, 73%, 75%)
HSV	hsv(204, 39%, 93%)
CMYK	cmyk(39.5%, 16%, 0%, 6.7%)
CIE-LAB	lab(78.12, -8.65, -24.50)
CIE-LCH	lch(78.12, 25.99, 250.55°)
OKLab	oklab(80.77% -0.0412 -0.0676)
OKLCH	oklch(80.77% 0.079 238.7)
XYZ	xyz(47.5833, 53.4080, 88.6738)
Luminance	0.5341 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#90C8EE #EEB690

analogous

#90EEE5 #90C8EE #9099EE

triadic

#90C8EE #EE90C8 #C8EE90

tetradic

#90C8EE #E590EE #EEB690 #99EE90

square

#90C8EE #E590EE #EEB690 #99EE90

split-complementary

#90C8EE #EE9099 #EEE590

monochromatic

#2693DE #5BAEE6 #90C8EE #C5E2F6 #E4F2FB

Accessibility & contrast

On white

1.80

#90C8EE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.68

#90C8EE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #90C8EE

11.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##90C8EE	#FFFFFF	#000000	##000000
##90C8EE	1.00	1.80	11.68	11.68
#FFFFFF	1.80	1.00	21.00	21.00
#000000	11.68	21.00	1.00	1.00
##000000	11.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7C7F0

Deuteranopia (green-blind)

#ABBDED

Tritanopia (blue-blind)

#6DD2D4

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #90c8ee;
/* rgb */ color: rgb(144, 200, 238);
/* oklch */ color: oklch(80.8% 0.079 238.7);

Tailwind

colors: {
  custom: {
    50: '#b4d8f3',
    500: '#90c8ee',
    950: '#000000',
  },
}

SCSS

$custom: #90c8ee;
$custom-light: #b4d8f3;
$custom-dark: #000000;

JSON

{
  "hex": "#90c8ee",
  "rgb": {
    "r": 144,
    "g": 200,
    "b": 238
  },
  "hsl": {
    "h": 204.255,
    "s": 73.438,
    "l": 74.902
  },
  "oklch": {
    "l": 0.80771,
    "c": 0.07918,
    "h": 238.7
  },
  "luminance": 0.53411
}

Semantic roles & 50–950 ramp

primary

#90C8EE

secondary

#CA8659

accent

#6010D6

background

#FDFEFF

surface

#F8FBFE

border

#D1D4D6

text

#111417

muted

#818385

Preview Lab

Preview with #90C8EE

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →