#4379BB#4379BB

#4379BB is a mid, moderate cyan. Relative luminance 0.185; OKLCH L 57.0% C 0.118 H 254.5°. Best body text is #000000 at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#4379BB
RGB	rgb(67, 121, 187)
HSL	hsl(213, 47%, 50%)
HSV	hsv(213, 64%, 73%)
CMYK	cmyk(64.2%, 35.3%, 0%, 26.7%)
CIE-LAB	lab(50.04, 3.10, -40.03)
CIE-LCH	lch(50.04, 40.15, 274.42°)
OKLab	oklab(56.97% -0.0314 -0.1135)
OKLCH	oklch(56.97% 0.118 254.5)
XYZ	xyz(18.1185, 18.4541, 49.6112)
Luminance	0.1846 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4379BB #BB8543

analogous

#43B5BB #4379BB #4943BB

triadic

#4379BB #BB4379 #79BB43

tetradic

#4379BB #BB43B5 #BB8543 #43BB49

square

#4379BB #BB43B5 #BB8543 #43BB49

split-complementary

#4379BB #BB4943 #B5BB43

monochromatic

#233F61 #335C8E #4379BB #7099CC #9DB9DC

Accessibility & contrast

On white

4.48

#4379BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.69

#4379BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4379BB

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4379BB	#FFFFFF	#000000	##000000
##4379BB	1.00	4.48	4.69	4.69
#FFFFFF	4.48	1.00	21.00	21.00
#000000	4.69	21.00	1.00	1.00
##000000	4.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C7DBE

Deuteranopia (green-blind)

#4C72BA

Tritanopia (blue-blind)

#008891

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #4379bb;
/* rgb */ color: rgb(67, 121, 187);
/* oklch */ color: oklch(57.0% 0.118 254.5);

Tailwind

colors: {
  custom: {
    50: '#839fd0',
    500: '#4379bb',
    950: '#000000',
  },
}

SCSS

$custom: #4379bb;
$custom-light: #839fd0;
$custom-dark: #000000;

JSON

{
  "hex": "#4379bb",
  "rgb": {
    "r": 67,
    "g": 121,
    "b": 187
  },
  "hsl": {
    "h": 213,
    "s": 47.244,
    "l": 49.804
  },
  "oklch": {
    "l": 0.56974,
    "c": 0.11775,
    "h": 254.5
  },
  "luminance": 0.18456
}

Semantic roles & 50–950 ramp

primary

#4379BB

secondary

#C8B092

accent

#9B51D7

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #4379BB

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

Preview Lab → · Contrast checker → · Palette generator →