#4377BB#4377BB

#4377BB is a mid, moderate cyan. Relative luminance 0.180; OKLCH L 56.5% C 0.120 H 255.8°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#4377BB
RGB	rgb(67, 119, 187)
HSL	hsl(214, 47%, 50%)
HSV	hsv(214, 64%, 73%)
CMYK	cmyk(64.2%, 36.4%, 0%, 26.7%)
CIE-LAB	lab(49.46, 4.31, -40.95)
CIE-LCH	lch(49.46, 41.17, 276.01°)
OKLab	oklab(56.52% -0.0293 -0.1162)
OKLCH	oklch(56.52% 0.12 255.8)
XYZ	xyz(17.8780, 17.9731, 49.5311)
Luminance	0.1797 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4377BB #BB8743

analogous

#43B3BB #4377BB #4B43BB

triadic

#4377BB #BB4377 #77BB43

tetradic

#4377BB #BB43B3 #BB8743 #43BB4B

square

#4377BB #BB43B3 #BB8743 #43BB4B

split-complementary

#4377BB #BB4B43 #B3BB43

monochromatic

#233E61 #335A8E #4377BB #7097CC #9DB8DC

Accessibility & contrast

On white

4.57

#4377BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.60

#4377BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4377BB

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4377BB	#FFFFFF	#000000	##000000
##4377BB	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)

#597CBE

Deuteranopia (green-blind)

#4970BA

Tritanopia (blue-blind)

#008790

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #4377bb;
/* rgb */ color: rgb(67, 119, 187);
/* oklch */ color: oklch(56.5% 0.120 255.8);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#4377bb",
  "rgb": {
    "r": 67,
    "g": 119,
    "b": 187
  },
  "hsl": {
    "h": 214,
    "s": 47.244,
    "l": 49.804
  },
  "oklch": {
    "l": 0.56522,
    "c": 0.11983,
    "h": 255.8
  },
  "luminance": 0.17975
}

Semantic roles & 50–950 ramp

primary

#4377BB

secondary

#C8B192

accent

#9D51D7

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #4377BB

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

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