#3378AE#3378AE

#3378AE is a mid, moderate cyan. Relative luminance 0.172; OKLCH L 55.4% C 0.109 H 245.3°. Best body text is #FFFFFF at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#3378AE
RGB	rgb(51, 120, 174)
HSL	hsl(206, 55%, 44%)
HSV	hsv(206, 71%, 68%)
CMYK	cmyk(70.7%, 31%, 0%, 31.8%)
CIE-LAB	lab(48.50, -3.57, -34.99)
CIE-LCH	lch(48.50, 35.17, 264.18°)
OKLab	oklab(55.38% -0.0455 -0.099)
OKLCH	oklch(55.38% 0.109 245.3)
XYZ	xyz(15.7188, 17.1910, 42.5260)
Luminance	0.1719 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3378AE #AE6933

analogous

#33AEA7 #3378AE #333BAE

triadic

#3378AE #AE3378 #78AE33

tetradic

#3378AE #A733AE #AE6933 #3BAE33

square

#3378AE #A733AE #AE6933 #3BAE33

split-complementary

#3378AE #AE333B #AEA733

monochromatic

#17374F #25577F #3378AE #5297CC #81B3DA

Accessibility & contrast

On white

4.73

#3378AE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.44

#3378AE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3378AE

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3378AE	#FFFFFF	#000000	##FFFFFF
##3378AE	1.00	4.73	4.44	4.73
#FFFFFF	4.73	1.00	21.00	1.00
#000000	4.44	21.00	1.00	21.00
##FFFFFF	4.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#607AB0

Deuteranopia (green-blind)

#4F6EAD

Tritanopia (blue-blind)

#00858B

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3378ae;
/* rgb */ color: rgb(51, 120, 174);
/* oklch */ color: oklch(55.4% 0.109 245.3);

Tailwind

colors: {
  custom: {
    50: '#7a9ec6',
    500: '#3378ae',
    950: '#000000',
  },
}

SCSS

$custom: #3378ae;
$custom-light: #7a9ec6;
$custom-dark: #000000;

JSON

{
  "hex": "#3378ae",
  "rgb": {
    "r": 51,
    "g": 120,
    "b": 174
  },
  "hsl": {
    "h": 206.341,
    "s": 54.667,
    "l": 44.118
  },
  "oklch": {
    "l": 0.55384,
    "c": 0.10894,
    "h": 245.3
  },
  "luminance": 0.17193
}

Semantic roles & 50–950 ramp

primary

#3378AE

secondary

#C39A79

accent

#8B4ADE

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #3378AE

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

Preview Lab → · Contrast checker → · Palette generator →