#4478BB#4478BB

#4478BB is a mid, moderate cyan. Relative luminance 0.182; OKLCH L 56.8% C 0.118 H 255.5°. Best body text is #000000 at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#4478BB
RGB	rgb(68, 120, 187)
HSL	hsl(214, 47%, 50%)
HSV	hsv(214, 64%, 73%)
CMYK	cmyk(63.6%, 35.8%, 0%, 26.7%)
CIE-LAB	lab(49.80, 3.89, -40.42)
CIE-LCH	lch(49.80, 40.61, 275.49°)
OKLab	oklab(56.79% -0.0295 -0.1146)
OKLCH	oklch(56.79% 0.118 255.5)
XYZ	xyz(18.0668, 18.2480, 49.5742)
Luminance	0.1825 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4478BB #BB8744

analogous

#44B3BB #4478BB #4C44BB

triadic

#4478BB #BB4478 #78BB44

tetradic

#4478BB #BB44B3 #BB8744 #44BB4C

square

#4478BB #BB44B3 #BB8744 #44BB4C

split-complementary

#4478BB #BB4C44 #B3BB44

monochromatic

#233E61 #345B8E #4478BB #7198CB #9EB9DC

Accessibility & contrast

On white

4.52

#4478BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.65

#4478BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4478BB

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4478BB	#FFFFFF	#000000	##000000
##4478BB	1.00	4.52	4.65	4.65
#FFFFFF	4.52	1.00	21.00	21.00
#000000	4.65	21.00	1.00	1.00
##000000	4.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B7DBE

Deuteranopia (green-blind)

#4B71BA

Tritanopia (blue-blind)

#008791

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #4478bb;
/* rgb */ color: rgb(68, 120, 187);
/* oklch */ color: oklch(56.8% 0.118 255.5);

Tailwind

colors: {
  custom: {
    50: '#839ed0',
    500: '#4478bb',
    950: '#000000',
  },
}

SCSS

$custom: #4478bb;
$custom-light: #839ed0;
$custom-dark: #000000;

JSON

{
  "hex": "#4478bb",
  "rgb": {
    "r": 68,
    "g": 120,
    "b": 187
  },
  "hsl": {
    "h": 213.782,
    "s": 46.667,
    "l": 50
  },
  "oklch": {
    "l": 0.56793,
    "c": 0.11837,
    "h": 255.5
  },
  "luminance": 0.1825
}

Semantic roles & 50–950 ramp

primary

#4478BB

secondary

#C8B193

accent

#9C51D6

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #4478BB

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

Preview Lab → · Contrast checker → · Palette generator →