#4277BF#4277BF

#4277BF is a mid, vivid cyan. Relative luminance 0.181; OKLCH L 56.7% C 0.126 H 256.6°. Best body text is #000000 at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#4277BF
RGB	rgb(66, 119, 191)
HSL	hsl(215, 49%, 50%)
HSV	hsv(215, 65%, 75%)
CMYK	cmyk(65.4%, 37.7%, 0%, 25.1%)
CIE-LAB	lab(49.63, 5.53, -42.99)
CIE-LCH	lch(49.63, 43.34, 277.33°)
OKLab	oklab(56.71% -0.0291 -0.1222)
OKLCH	oklch(56.71% 0.126 256.6)
XYZ	xyz(18.2442, 18.1117, 51.8145)
Luminance	0.1811 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4277BF #BF8A42

analogous

#42B5BF #4277BF #4B42BF

triadic

#4277BF #BF4277 #77BF42

tetradic

#4277BF #BF42B5 #BF8A42 #42BF4B

square

#4277BF #BF42B5 #BF8A42 #42BF4B

split-complementary

#4277BF #BF4B42 #B5BF42

monochromatic

#223E65 #325B92 #4277BF #7098CE #9DB9DE

Accessibility & contrast

On white

4.54

#4277BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.62

#4277BF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4277BF

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4277BF	#FFFFFF	#000000	##000000
##4277BF	1.00	4.54	4.62	4.62
#FFFFFF	4.54	1.00	21.00	21.00
#000000	4.62	21.00	1.00	1.00
##000000	4.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#577CC2

Deuteranopia (green-blind)

#4571BE

Tritanopia (blue-blind)

#008892

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #4277bf;
/* rgb */ color: rgb(66, 119, 191);
/* oklch */ color: oklch(56.7% 0.126 256.6);

Tailwind

colors: {
  custom: {
    50: '#839dd2',
    500: '#4277bf',
    950: '#000000',
  },
}

SCSS

$custom: #4277bf;
$custom-light: #839dd2;
$custom-dark: #000000;

JSON

{
  "hex": "#4277bf",
  "rgb": {
    "r": 66,
    "g": 119,
    "b": 191
  },
  "hsl": {
    "h": 214.56,
    "s": 49.407,
    "l": 50.392
  },
  "oklch": {
    "l": 0.5671,
    "c": 0.12559,
    "h": 256.6
  },
  "luminance": 0.18113
}

Semantic roles & 50–950 ramp

primary

#4277BF

secondary

#CAB393

accent

#9E4FD9

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #4277BF

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

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