#4290BE#4290BE

#4290BE is a light, moderate cyan. Relative luminance 0.248; OKLCH L 62.4% C 0.103 H 237.5°. Best body text is #000000 at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#4290BE
RGB	rgb(66, 144, 190)
HSL	hsl(202, 49%, 50%)
HSV	hsv(202, 65%, 75%)
CMYK	cmyk(65.3%, 24.2%, 0%, 25.5%)
CIE-LAB	lab(56.90, -9.52, -31.00)
CIE-LCH	lch(56.90, 32.43, 252.93°)
OKLab	oklab(62.41% -0.0554 -0.0871)
OKLCH	oklch(62.41% 0.103 237.5)
XYZ	xyz(21.5107, 24.8203, 52.3624)
Luminance	0.2482 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4290BE #BE7042

analogous

#42BEAE #4290BE #4252BE

triadic

#4290BE #BE4290 #90BE42

tetradic

#4290BE #AE42BE #BE7042 #52BE42

square

#4290BE #AE42BE #BE7042 #52BE42

split-complementary

#4290BE #BE4252 #BEAE42

monochromatic

#224B63 #326E91 #4290BE #70ABCE #9DC5DD

Accessibility & contrast

On white

3.52

#4290BE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.96

#4290BE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4290BE

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4290BE	#FFFFFF	#000000	##000000
##4290BE	1.00	3.52	5.96	5.96
#FFFFFF	3.52	1.00	21.00	21.00
#000000	5.96	21.00	1.00	1.00
##000000	5.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B8FC0

Deuteranopia (green-blind)

#6983BD

Tritanopia (blue-blind)

#009CA0

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #4290be;
/* rgb */ color: rgb(66, 144, 190);
/* oklch */ color: oklch(62.4% 0.103 237.5);

Tailwind

colors: {
  custom: {
    50: '#83b0d1',
    500: '#4290be',
    950: '#000000',
  },
}

SCSS

$custom: #4290be;
$custom-light: #83b0d1;
$custom-dark: #000000;

JSON

{
  "hex": "#4290be",
  "rgb": {
    "r": 66,
    "g": 144,
    "b": 190
  },
  "hsl": {
    "h": 202.258,
    "s": 48.819,
    "l": 50.196
  },
  "oklch": {
    "l": 0.62412,
    "c": 0.10321,
    "h": 237.5
  },
  "luminance": 0.24822
}

Semantic roles & 50–950 ramp

primary

#4290BE

secondary

#CAA792

accent

#824FD8

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C1014

muted

#7D7F82

Preview Lab

Preview with #4290BE

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

Preview Lab → · Contrast checker → · Palette generator →