#4277BC#4277BC

#4277BC is a mid, vivid cyan. Relative luminance 0.180; OKLCH L 56.5% C 0.122 H 255.8°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#4277BC
RGB	rgb(66, 119, 188)
HSL	hsl(214, 48%, 50%)
HSV	hsv(214, 65%, 74%)
CMYK	cmyk(64.9%, 36.7%, 0%, 26.3%)
CIE-LAB	lab(49.47, 4.48, -41.51)
CIE-LCH	lch(49.47, 41.75, 276.16°)
OKLab	oklab(56.54% -0.0298 -0.1178)
OKLCH	oklch(56.54% 0.122 255.8)
XYZ	xyz(17.9174, 17.9810, 50.0936)
Luminance	0.1798 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4277BC #BC8742

analogous

#42B4BC #4277BC #4A42BC

triadic

#4277BC #BC4277 #77BC42

tetradic

#4277BC #BC42B4 #BC8742 #42BC4A

square

#4277BC #BC42B4 #BC8742 #42BC4A

split-complementary

#4277BC #BC4A42 #B4BC42

monochromatic

#223E61 #325A8F #4277BC #6F97CC #9CB8DC

Accessibility & contrast

On white

4.57

#4277BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.60

#4277BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4277BC

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4277BC	#FFFFFF	#000000	##000000
##4277BC	1.00	4.57	4.60	4.60
#FFFFFF	4.57	1.00	21.00	21.00
#000000	4.60	21.00	1.00	1.00
##000000	4.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#597CBF

Deuteranopia (green-blind)

#4870BB

Tritanopia (blue-blind)

#008790

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #4277bc;
/* rgb */ color: rgb(66, 119, 188);
/* oklch */ color: oklch(56.5% 0.122 255.8);

Tailwind

colors: {
  custom: {
    50: '#829dd0',
    500: '#4277bc',
    950: '#000000',
  },
}

SCSS

$custom: #4277bc;
$custom-light: #829dd0;
$custom-dark: #000000;

JSON

{
  "hex": "#4277bc",
  "rgb": {
    "r": 66,
    "g": 119,
    "b": 188
  },
  "hsl": {
    "h": 213.934,
    "s": 48.031,
    "l": 49.804
  },
  "oklch": {
    "l": 0.56535,
    "c": 0.12157,
    "h": 255.8
  },
  "luminance": 0.17983
}

Semantic roles & 50–950 ramp

primary

#4277BC

secondary

#C9B191

accent

#9D50D8

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #4277BC

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

Preview Lab → · Contrast checker → · Palette generator →