#4277B9#4277B9

#4277B9 is a mid, moderate cyan. Relative luminance 0.179; OKLCH L 56.4% C 0.118 H 254.9°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#4277B9
RGB	rgb(66, 119, 185)
HSL	hsl(213, 47%, 49%)
HSV	hsv(213, 64%, 73%)
CMYK	cmyk(64.3%, 35.7%, 0%, 27.5%)
CIE-LAB	lab(49.32, 3.43, -40.03)
CIE-LCH	lch(49.32, 40.18, 274.90°)
OKLab	oklab(56.36% -0.0306 -0.1135)
OKLCH	oklch(56.36% 0.118 254.9)
XYZ	xyz(17.5974, 17.8530, 48.4081)
Luminance	0.1785 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4277B9 #B98442

analogous

#42B3B9 #4277B9 #4942B9

triadic

#4277B9 #B94277 #77B942

tetradic

#4277B9 #B942B3 #B98442 #42B949

square

#4277B9 #B942B3 #B98442 #42B949

split-complementary

#4277B9 #B94942 #B3B942

monochromatic

#223D5F #325A8C #4277B9 #6D97CB #9AB7DB

Accessibility & contrast

On white

4.59

#4277B9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.57

#4277B9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #4277B9

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4277B9	#FFFFFF	#000000	##FFFFFF
##4277B9	1.00	4.59	4.57	4.59
#FFFFFF	4.59	1.00	21.00	1.00
#000000	4.57	21.00	1.00	21.00
##FFFFFF	4.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A7BBC

Deuteranopia (green-blind)

#4A70B8

Tritanopia (blue-blind)

#00868F

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #4277b9;
/* rgb */ color: rgb(66, 119, 185);
/* oklch */ color: oklch(56.4% 0.118 254.9);

Tailwind

colors: {
  custom: {
    50: '#829dce',
    500: '#4277b9',
    950: '#000000',
  },
}

SCSS

$custom: #4277b9;
$custom-light: #829dce;
$custom-dark: #000000;

JSON

{
  "hex": "#4277b9",
  "rgb": {
    "r": 66,
    "g": 119,
    "b": 185
  },
  "hsl": {
    "h": 213.277,
    "s": 47.41,
    "l": 49.216
  },
  "oklch": {
    "l": 0.56362,
    "c": 0.11757,
    "h": 254.9
  },
  "luminance": 0.17855
}

Semantic roles & 50–950 ramp

primary

#4277B9

secondary

#C7AE90

accent

#9B51D7

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #4277B9

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

Preview Lab → · Contrast checker → · Palette generator →