#4290BA#4290BA

#4290BA is a light, moderate cyan. Relative luminance 0.246; OKLCH L 62.2% C 0.099 H 235.1°. Best body text is #000000 at 5.93:1 contrast (WCAG AA passes).

Color values

HEX	#4290BA
RGB	rgb(66, 144, 186)
HSL	hsl(201, 48%, 49%)
HSV	hsv(201, 65%, 73%)
CMYK	cmyk(64.5%, 22.6%, 0%, 27.1%)
CIE-LAB	lab(56.73, -10.84, -29.00)
CIE-LCH	lch(56.73, 30.96, 249.50°)
OKLab	oklab(62.22% -0.0568 -0.0813)
OKLCH	oklch(62.22% 0.099 235.1)
XYZ	xyz(21.0795, 24.6478, 50.0914)
Luminance	0.2465 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4290BA #BA6C42

analogous

#42BAA8 #4290BA #4254BA

triadic

#4290BA #BA4290 #90BA42

tetradic

#4290BA #A842BA #BA6C42 #54BA42

square

#4290BA #A842BA #BA6C42 #54BA42

split-complementary

#4290BA #BA4254 #BAA842

monochromatic

#224A60 #326D8D #4290BA #6EABCB #9BC5DB

Accessibility & contrast

On white

3.54

#4290BA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.93

#4290BA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4290BA

5.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4290BA	#FFFFFF	#000000	##000000
##4290BA	1.00	3.54	5.93	5.93
#FFFFFF	3.54	1.00	21.00	21.00
#000000	5.93	21.00	1.00	1.00
##000000	5.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C8FBC

Deuteranopia (green-blind)

#6B83B9

Tritanopia (blue-blind)

#009B9E

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #4290ba;
/* rgb */ color: rgb(66, 144, 186);
/* oklch */ color: oklch(62.2% 0.099 235.1);

Tailwind

colors: {
  custom: {
    50: '#83b0cf',
    500: '#4290ba',
    950: '#000000',
  },
}

SCSS

$custom: #4290ba;
$custom-light: #83b0cf;
$custom-dark: #000000;

JSON

{
  "hex": "#4290ba",
  "rgb": {
    "r": 66,
    "g": 144,
    "b": 186
  },
  "hsl": {
    "h": 201,
    "s": 47.619,
    "l": 49.412
  },
  "oklch": {
    "l": 0.62222,
    "c": 0.09918,
    "h": 235.1
  },
  "luminance": 0.2465
}

Semantic roles & 50–950 ramp

primary

#4290BA

secondary

#C8A490

accent

#8051D7

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C1013

muted

#7D7F82

Preview Lab

Preview with #4290BA

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

Preview Lab → · Contrast checker → · Palette generator →