#4290BD#4290BD

#4290BD is a light, moderate cyan. Relative luminance 0.248; OKLCH L 62.4% C 0.102 H 236.9°. Best body text is #000000 at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#4290BD
RGB	rgb(66, 144, 189)
HSL	hsl(202, 48%, 50%)
HSV	hsv(202, 65%, 74%)
CMYK	cmyk(65.1%, 23.8%, 0%, 25.9%)
CIE-LAB	lab(56.86, -9.85, -30.50)
CIE-LCH	lch(56.86, 32.05, 252.10°)
OKLab	oklab(62.36% -0.0557 -0.0856)
OKLCH	oklch(62.36% 0.102 236.9)
XYZ	xyz(21.4018, 24.7767, 51.7887)
Luminance	0.2478 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4290BD #BD6F42

analogous

#42BDAC #4290BD #4253BD

triadic

#4290BD #BD4290 #90BD42

tetradic

#4290BD #AC42BD #BD6F42 #53BD42

square

#4290BD #AC42BD #BD6F42 #53BD42

split-complementary

#4290BD #BD4253 #BDAC42

monochromatic

#224B62 #326D90 #4290BD #6FABCD #9DC5DD

Accessibility & contrast

On white

3.53

#4290BD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.96

#4290BD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4290BD

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4290BD	#FFFFFF	#000000	##000000
##4290BD	1.00	3.53	5.96	5.96
#FFFFFF	3.53	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)

#7B8FBF

Deuteranopia (green-blind)

#6A83BC

Tritanopia (blue-blind)

#009C9F

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #4290bd;
/* rgb */ color: rgb(66, 144, 189);
/* oklch */ color: oklch(62.4% 0.102 236.9);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#4290bd",
  "rgb": {
    "r": 66,
    "g": 144,
    "b": 189
  },
  "hsl": {
    "h": 201.951,
    "s": 48.235,
    "l": 50
  },
  "oklch": {
    "l": 0.62364,
    "c": 0.10219,
    "h": 236.9
  },
  "luminance": 0.24779
}

Semantic roles & 50–950 ramp

primary

#4290BD

secondary

#C9A692

accent

#8250D8

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C1014

muted

#7D7F82

Preview Lab

Preview with #4290BD

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

Preview Lab → · Contrast checker → · Palette generator →