#3378AD#3378AD

#3378AD is a mid, moderate cyan. Relative luminance 0.172; OKLCH L 55.3% C 0.108 H 244.9°. Best body text is #FFFFFF at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#3378AD
RGB	rgb(51, 120, 173)
HSL	hsl(206, 54%, 44%)
HSV	hsv(206, 71%, 68%)
CMYK	cmyk(70.5%, 30.6%, 0%, 32.2%)
CIE-LAB	lab(48.45, -3.92, -34.48)
CIE-LCH	lch(48.45, 34.70, 263.51°)
OKLab	oklab(55.33% -0.0458 -0.0975)
OKLCH	oklch(55.33% 0.108 244.9)
XYZ	xyz(15.6217, 17.1522, 42.0145)
Luminance	0.1715 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3378AD #AD6833

analogous

#33ADA5 #3378AD #333BAD

triadic

#3378AD #AD3378 #78AD33

tetradic

#3378AD #A533AD #AD6833 #3BAD33

square

#3378AD #A533AD #AD6833 #3BAD33

split-complementary

#3378AD #AD333B #ADA533

monochromatic

#17364E #25577E #3378AD #5197CC #81B3DA

Accessibility & contrast

On white

4.74

#3378AD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.43

#3378AD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3378AD

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3378AD	#FFFFFF	#000000	##FFFFFF
##3378AD	1.00	4.74	4.43	4.74
#FFFFFF	4.74	1.00	21.00	1.00
#000000	4.43	21.00	1.00	21.00
##FFFFFF	4.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#607AAF

Deuteranopia (green-blind)

#4F6EAC

Tritanopia (blue-blind)

#00858B

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3378ad;
/* rgb */ color: rgb(51, 120, 173);
/* oklch */ color: oklch(55.3% 0.108 244.9);

Tailwind

colors: {
  custom: {
    50: '#799ec5',
    500: '#3378ad',
    950: '#000000',
  },
}

SCSS

$custom: #3378ad;
$custom-light: #799ec5;
$custom-dark: #000000;

JSON

{
  "hex": "#3378ad",
  "rgb": {
    "r": 51,
    "g": 120,
    "b": 173
  },
  "hsl": {
    "h": 206.066,
    "s": 54.464,
    "l": 43.922
  },
  "oklch": {
    "l": 0.55329,
    "c": 0.10774,
    "h": 244.9
  },
  "luminance": 0.17154
}

Semantic roles & 50–950 ramp

primary

#3378AD

secondary

#C39979

accent

#8A4ADE

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #3378AD

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

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