#4290C2#4290C2

#4290C2 is a light, moderate cyan. Relative luminance 0.250; OKLCH L 62.6% C 0.107 H 239.8°. Best body text is #000000 at 6.00:1 contrast (WCAG AA passes).

Color values

HEX	#4290C2
RGB	rgb(66, 144, 194)
HSL	hsl(203, 51%, 51%)
HSV	hsv(203, 66%, 76%)
CMYK	cmyk(66%, 25.8%, 0%, 23.9%)
CIE-LAB	lab(57.07, -8.19, -33.00)
CIE-LCH	lch(57.07, 34.00, 256.06°)
OKLab	oklab(62.61% -0.0541 -0.0928)
OKLCH	oklch(62.61% 0.107 239.8)
XYZ	xyz(21.9539, 24.9975, 54.6965)
Luminance	0.2500 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4290C2 #C27442

analogous

#42C2B4 #4290C2 #4250C2

triadic

#4290C2 #C24290 #90C242

tetradic

#4290C2 #B442C2 #C27442 #50C242

square

#4290C2 #B442C2 #C27442 #50C242

split-complementary

#4290C2 #C24250 #C2B442

monochromatic

#224D68 #316F96 #4290C2 #70ABD1 #9FC6E0

Accessibility & contrast

On white

3.50

#4290C2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.00

#4290C2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4290C2

6.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4290C2	#FFFFFF	#000000	##000000
##4290C2	1.00	3.50	6.00	6.00
#FFFFFF	3.50	1.00	21.00	21.00
#000000	6.00	21.00	1.00	1.00
##000000	6.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7990C4

Deuteranopia (green-blind)

#6883C1

Tritanopia (blue-blind)

#009DA1

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #4290c2;
/* rgb */ color: rgb(66, 144, 194);
/* oklch */ color: oklch(62.6% 0.107 239.8);

Tailwind

colors: {
  custom: {
    50: '#84b0d4',
    500: '#4290c2',
    950: '#000000',
  },
}

SCSS

$custom: #4290c2;
$custom-light: #84b0d4;
$custom-dark: #000000;

JSON

{
  "hex": "#4290c2",
  "rgb": {
    "r": 66,
    "g": 144,
    "b": 194
  },
  "hsl": {
    "h": 203.438,
    "s": 51.2,
    "l": 50.98
  },
  "oklch": {
    "l": 0.62606,
    "c": 0.10743,
    "h": 239.8
  },
  "luminance": 0.25
}

Semantic roles & 50–950 ramp

primary

#4290C2

secondary

#CCAA94

accent

#844DDB

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0C1014

muted

#7D7F83

Preview Lab

Preview with #4290C2

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

Preview Lab → · Contrast checker → · Palette generator →