#4377BC#4377BC

#4377BC is a mid, vivid cyan. Relative luminance 0.180; OKLCH L 56.6% C 0.121 H 256.1°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#4377BC
RGB	rgb(67, 119, 188)
HSL	hsl(214, 47%, 50%)
HSV	hsv(214, 64%, 74%)
CMYK	cmyk(64.4%, 36.7%, 0%, 26.3%)
CIE-LAB	lab(49.52, 4.66, -41.44)
CIE-LCH	lch(49.52, 41.70, 276.41°)
OKLab	oklab(56.58% -0.029 -0.1176)
OKLCH	oklch(56.58% 0.121 256.1)
XYZ	xyz(17.9854, 18.0161, 50.0968)
Luminance	0.1802 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4377BC #BC8843

analogous

#43B3BC #4377BC #4C43BC

triadic

#4377BC #BC4377 #77BC43

tetradic

#4377BC #BC43B3 #BC8843 #43BC4C

square

#4377BC #BC43B3 #BC8843 #43BC4C

split-complementary

#4377BC #BC4C43 #B3BC43

monochromatic

#233E62 #335A8F #4377BC #7098CC #9DB8DC

Accessibility & contrast

On white

4.56

#4377BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.60

#4377BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4377BC

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4377BC	#FFFFFF	#000000	##000000
##4377BC	1.00	4.56	4.60	4.60
#FFFFFF	4.56	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)

#4871BB

Tritanopia (blue-blind)

#008790

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #4377bc;
/* rgb */ color: rgb(67, 119, 188);
/* oklch */ color: oklch(56.6% 0.121 256.1);

Tailwind

colors: {
  custom: {
    50: '#839dd0',
    500: '#4377bc',
    950: '#000000',
  },
}

SCSS

$custom: #4377bc;
$custom-light: #839dd0;
$custom-dark: #000000;

JSON

{
  "hex": "#4377bc",
  "rgb": {
    "r": 67,
    "g": 119,
    "b": 188
  },
  "hsl": {
    "h": 214.215,
    "s": 47.451,
    "l": 50
  },
  "oklch": {
    "l": 0.5658,
    "c": 0.12116,
    "h": 256.1
  },
  "luminance": 0.18018
}

Semantic roles & 50–950 ramp

primary

#4377BC

secondary

#C9B192

accent

#9D51D7

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #4377BC

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

Preview Lab → · Contrast checker → · Palette generator →