#3378A3#3378A3

#3378A3 is a mid, moderate cyan. Relative luminance 0.168; OKLCH L 54.8% C 0.096 H 239.3°. Best body text is #FFFFFF at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#3378A3
RGB	rgb(51, 120, 163)
HSL	hsl(203, 52%, 42%)
HSV	hsv(203, 69%, 64%)
CMYK	cmyk(68.7%, 26.4%, 0%, 36.1%)
CIE-LAB	lab(47.98, -7.45, -29.39)
CIE-LCH	lch(47.98, 30.32, 255.77°)
OKLab	oklab(54.8% -0.0491 -0.0827)
OKLCH	oklch(54.8% 0.096 239.3)
XYZ	xyz(14.6900, 16.7795, 37.1078)
Luminance	0.1678 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3378A3 #A35E33

analogous

#33A396 #3378A3 #3340A3

triadic

#3378A3 #A33378 #78A333

tetradic

#3378A3 #9633A3 #A35E33 #40A333

square

#3378A3 #9633A3 #A35E33 #40A333

split-complementary

#3378A3 #A33340 #A39633

monochromatic

#163346 #245674 #3378A3 #4C98C7 #7BB3D6

Accessibility & contrast

On white

4.82

#3378A3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.36

#3378A3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3378A3

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3378A3	#FFFFFF	#000000	##FFFFFF
##3378A3	1.00	4.82	4.36	4.82
#FFFFFF	4.82	1.00	21.00	1.00
#000000	4.36	21.00	1.00	21.00
##FFFFFF	4.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6478A5

Deuteranopia (green-blind)

#556DA2

Tritanopia (blue-blind)

#008387

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3378a3;
/* rgb */ color: rgb(51, 120, 163);
/* oklch */ color: oklch(54.8% 0.096 239.3);

Tailwind

colors: {
  custom: {
    50: '#789ebe',
    500: '#3378a3',
    950: '#000000',
  },
}

SCSS

$custom: #3378a3;
$custom-light: #789ebe;
$custom-dark: #000000;

JSON

{
  "hex": "#3378a3",
  "rgb": {
    "r": 51,
    "g": 120,
    "b": 163
  },
  "hsl": {
    "h": 203.036,
    "s": 52.336,
    "l": 41.961
  },
  "oklch": {
    "l": 0.54803,
    "c": 0.09619,
    "h": 239.3
  },
  "luminance": 0.16781
}

Semantic roles & 50–950 ramp

primary

#3378A3

secondary

#BE9073

accent

#834CDC

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #3378A3

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

Preview Lab → · Contrast checker → · Palette generator →