#4378AE#4378AE

#4378AE is a mid, moderate cyan. Relative luminance 0.177; OKLCH L 56.0% C 0.102 H 250.5°. Best body text is #FFFFFF at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#4378AE
RGB	rgb(67, 120, 174)
HSL	hsl(210, 44%, 47%)
HSV	hsv(210, 61%, 68%)
CMYK	cmyk(61.5%, 31%, 0%, 31.8%)
CIE-LAB	lab(49.11, -0.76, -33.99)
CIE-LCH	lch(49.11, 34.00, 268.72°)
OKLab	oklab(56.03% -0.034 -0.0959)
OKLCH	oklch(56.03% 0.102 250.5)
XYZ	xyz(16.6684, 17.6807, 42.5705)
Luminance	0.1768 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4378AE #AE7943

analogous

#43AEAE #4378AE #4343AE

triadic

#4378AE #AE4378 #78AE43

tetradic

#4378AE #AE43AE #AE7943 #43AE43

square

#4378AE #AE43AE #AE7943 #43AE43

split-complementary

#4378AE #AE4343 #AEAE43

monochromatic

#213B56 #325A82 #4378AE #6997C5 #95B5D6

Accessibility & contrast

On white

4.63

#4378AE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.54

#4378AE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #4378AE

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4378AE	#FFFFFF	#000000	##FFFFFF
##4378AE	1.00	4.63	4.54	4.63
#FFFFFF	4.63	1.00	21.00	1.00
#000000	4.54	21.00	1.00	21.00
##FFFFFF	4.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#617AB0

Deuteranopia (green-blind)

#5370AD

Tritanopia (blue-blind)

#00858B

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #4378ae;
/* rgb */ color: rgb(67, 120, 174);
/* oklch */ color: oklch(56.0% 0.102 250.5);

Tailwind

colors: {
  custom: {
    50: '#819ec6',
    500: '#4378ae',
    950: '#000000',
  },
}

SCSS

$custom: #4378ae;
$custom-light: #819ec6;
$custom-dark: #000000;

JSON

{
  "hex": "#4378ae",
  "rgb": {
    "r": 67,
    "g": 120,
    "b": 174
  },
  "hsl": {
    "h": 210.28,
    "s": 44.398,
    "l": 47.255
  },
  "oklch": {
    "l": 0.5603,
    "c": 0.10174,
    "h": 250.5
  },
  "luminance": 0.17682
}

Semantic roles & 50–950 ramp

primary

#4378AE

secondary

#C2A78B

accent

#9454D4

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #4378AE

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

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