#4290A2#4290A2

#4290A2 is a mid, moderate cyan. Relative luminance 0.237; OKLCH L 61.2% C 0.081 H 215.1°. Best body text is #000000 at 5.74:1 contrast (WCAG AA passes).

Color values

HEX	#4290A2
RGB	rgb(66, 144, 162)
HSL	hsl(191, 42%, 45%)
HSV	hsv(191, 59%, 64%)
CMYK	cmyk(59.3%, 11.1%, 0%, 36.5%)
CIE-LAB	lab(55.80, -18.46, -16.73)
CIE-LCH	lch(55.80, 24.92, 222.18°)
OKLab	oklab(61.17% -0.066 -0.0464)
OKLCH	oklch(61.17% 0.081 215.1)
XYZ	xyz(18.7390, 23.7116, 37.7647)
Luminance	0.2371 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4290A2 #A25442

analogous

#42A284 #4290A2 #4260A2

triadic

#4290A2 #A24290 #90A242

tetradic

#4290A2 #8442A2 #A25442 #60A242

square

#4290A2 #8442A2 #A25442 #60A242

split-complementary

#4290A2 #A24260 #A28442

monochromatic

#1F434B #306977 #4290A2 #62AEBF #8EC4D1

Accessibility & contrast

On white

3.66

#4290A2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.74

#4290A2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4290A2

5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4290A2	#FFFFFF	#000000	##000000
##4290A2	1.00	3.66	5.74	5.74
#FFFFFF	3.66	1.00	21.00	21.00
#000000	5.74	21.00	1.00	1.00
##000000	5.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#838CA3

Deuteranopia (green-blind)

#7581A2

Tritanopia (blue-blind)

#009796

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #4290a2;
/* rgb */ color: rgb(66, 144, 162);
/* oklch */ color: oklch(61.2% 0.081 215.1);

Tailwind

colors: {
  custom: {
    50: '#80b0bd',
    500: '#4290a2',
    950: '#000000',
  },
}

SCSS

$custom: #4290a2;
$custom-light: #80b0bd;
$custom-dark: #000000;

JSON

{
  "hex": "#4290a2",
  "rgb": {
    "r": 66,
    "g": 144,
    "b": 162
  },
  "hsl": {
    "h": 191.25,
    "s": 42.105,
    "l": 44.706
  },
  "oklch": {
    "l": 0.61168,
    "c": 0.08066,
    "h": 215.1
  },
  "luminance": 0.23713
}

Semantic roles & 50–950 ramp

primary

#4290A2

secondary

#BC8E84

accent

#6D56D2

background

#F8FAFB

surface

#EFF5F6

border

#CACFD0

text

#0B1012

muted

#7C7F81

Preview Lab

Preview with #4290A2

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

Preview Lab → · Contrast checker → · Palette generator →