#4279A2#4279A2

#4279A2 is a mid, moderate cyan. Relative luminance 0.174; OKLCH L 55.6% C 0.087 H 242.7°. Best body text is #FFFFFF at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#4279A2
RGB	rgb(66, 121, 162)
HSL	hsl(206, 42%, 45%)
HSV	hsv(206, 59%, 64%)
CMYK	cmyk(59.3%, 25.3%, 0%, 36.5%)
CIE-LAB	lab(48.81, -5.58, -27.47)
CIE-LCH	lch(48.81, 28.03, 258.52°)
OKLab	oklab(55.6% -0.0397 -0.077)
OKLCH	oklch(55.6% 0.087 242.7)
XYZ	xyz(15.6033, 17.4402, 36.7194)
Luminance	0.1744 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4279A2 #A26B42

analogous

#42A29B #4279A2 #4249A2

triadic

#4279A2 #A24279 #79A242

tetradic

#4279A2 #9B42A2 #A26B42 #49A242

square

#4279A2 #9B42A2 #A26B42 #49A242

split-complementary

#4279A2 #A24249 #A29B42

monochromatic

#1F384B #305977 #4279A2 #6297BF #8EB4D1

Accessibility & contrast

On white

4.68

#4279A2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.49

#4279A2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4279A2

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4279A2	#FFFFFF	#000000	##FFFFFF
##4279A2	1.00	4.68	4.49	4.68
#FFFFFF	4.68	1.00	21.00	1.00
#000000	4.49	21.00	1.00	21.00
##FFFFFF	4.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6779A4

Deuteranopia (green-blind)

#5A70A1

Tritanopia (blue-blind)

#008387

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #4279a2;
/* rgb */ color: rgb(66, 121, 162);
/* oklch */ color: oklch(55.6% 0.087 242.7);

Tailwind

colors: {
  custom: {
    50: '#7e9fbd',
    500: '#4279a2',
    950: '#000000',
  },
}

SCSS

$custom: #4279a2;
$custom-light: #7e9fbd;
$custom-dark: #000000;

JSON

{
  "hex": "#4279a2",
  "rgb": {
    "r": 66,
    "g": 121,
    "b": 162
  },
  "hsl": {
    "h": 205.625,
    "s": 42.105,
    "l": 44.706
  },
  "oklch": {
    "l": 0.55603,
    "c": 0.08669,
    "h": 242.7
  },
  "luminance": 0.17442
}

Semantic roles & 50–950 ramp

primary

#4279A2

secondary

#BC9C84

accent

#8B56D2

background

#F8F9FB

surface

#EFF2F6

border

#CACCD0

text

#0B0E12

muted

#7C7E81

Preview Lab

Preview with #4279A2

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

Preview Lab → · Contrast checker → · Palette generator →