#377CA7#377CA7

#377CA7 is a mid, moderate cyan. Relative luminance 0.180; OKLCH L 56.1% C 0.096 H 239.1°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#377CA7
RGB	rgb(55, 124, 167)
HSL	hsl(203, 50%, 44%)
HSV	hsv(203, 67%, 65%)
CMYK	cmyk(67.1%, 25.7%, 0%, 34.5%)
CIE-LAB	lab(49.52, -7.73, -29.32)
CIE-LCH	lch(49.52, 30.32, 255.23°)
OKLab	oklab(56.12% -0.0493 -0.0825)
OKLCH	oklch(56.12% 0.096 239.1)
XYZ	xyz(15.7556, 18.0159, 39.1988)
Luminance	0.1802 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#377CA7 #A76237

analogous

#37A79A #377CA7 #3744A7

triadic

#377CA7 #A7377C #7CA737

tetradic

#377CA7 #9A37A7 #A76237 #44A737

square

#377CA7 #9A37A7 #A76237 #44A737

split-complementary

#377CA7 #A73744 #A79A37

monochromatic

#19384B #285A79 #377CA7 #549BC7 #82B6D6

Accessibility & contrast

On white

4.56

#377CA7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.60

#377CA7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #377CA7

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##377CA7	#FFFFFF	#000000	##000000
##377CA7	1.00	4.56	4.60	4.60
#FFFFFF	4.56	1.00	21.00	21.00
#000000	4.60	21.00	1.00	1.00
##000000	4.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#687CA9

Deuteranopia (green-blind)

#5971A6

Tritanopia (blue-blind)

#00878B

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #377ca7;
/* rgb */ color: rgb(55, 124, 167);
/* oklch */ color: oklch(56.1% 0.096 239.1);

Tailwind

colors: {
  custom: {
    50: '#7aa1c1',
    500: '#377ca7',
    950: '#000000',
  },
}

SCSS

$custom: #377ca7;
$custom-light: #7aa1c1;
$custom-dark: #000000;

JSON

{
  "hex": "#377ca7",
  "rgb": {
    "r": 55,
    "g": 124,
    "b": 167
  },
  "hsl": {
    "h": 203.036,
    "s": 50.45,
    "l": 43.529
  },
  "oklch": {
    "l": 0.56117,
    "c": 0.0961,
    "h": 239.1
  },
  "luminance": 0.18018
}

Semantic roles & 50–950 ramp

primary

#377CA7

secondary

#C0957A

accent

#844EDA

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#0A0F12

muted

#7C7E81

Preview Lab

Preview with #377CA7

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

Preview Lab → · Contrast checker → · Palette generator →