#377DBA#377DBA

#377DBA is a mid, moderate cyan. Relative luminance 0.190; OKLCH L 57.4% C 0.118 H 247.8°. Best body text is #000000 at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#377DBA
RGB	rgb(55, 125, 186)
HSL	hsl(208, 54%, 47%)
HSV	hsv(208, 70%, 73%)
CMYK	cmyk(70.4%, 32.8%, 0%, 27.1%)
CIE-LAB	lab(50.71, -1.66, -38.43)
CIE-LCH	lch(50.71, 38.46, 267.52°)
OKLab	oklab(57.36% -0.0443 -0.1089)
OKLCH	oklch(57.36% 0.118 247.8)
XYZ	xyz(17.7687, 19.0227, 49.1802)
Luminance	0.1903 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#377DBA #BA7437

analogous

#37BAB6 #377DBA #373BBA

triadic

#377DBA #BA377D #7DBA37

tetradic

#377DBA #B637BA #BA7437 #3BBA37

square

#377DBA #B637BA #BA7437 #3BBA37

split-complementary

#377DBA #BA373B #BAB637

monochromatic

#1B3E5C #295D8B #377DBA #5F9BD0 #8EB8DE

Accessibility & contrast

On white

4.37

#377DBA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.81

#377DBA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #377DBA

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##377DBA	#FFFFFF	#000000	##000000
##377DBA	1.00	4.37	4.81	4.81
#FFFFFF	4.37	1.00	21.00	21.00
#000000	4.81	21.00	1.00	1.00
##000000	4.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6280BD

Deuteranopia (green-blind)

#4F73B9

Tritanopia (blue-blind)

#008C93

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #377dba;
/* rgb */ color: rgb(55, 125, 186);
/* oklch */ color: oklch(57.4% 0.118 247.8);

Tailwind

colors: {
  custom: {
    50: '#7da2cf',
    500: '#377dba',
    950: '#000000',
  },
}

SCSS

$custom: #377dba;
$custom-light: #7da2cf;
$custom-dark: #000000;

JSON

{
  "hex": "#377dba",
  "rgb": {
    "r": 55,
    "g": 125,
    "b": 186
  },
  "hsl": {
    "h": 207.939,
    "s": 54.357,
    "l": 47.255
  },
  "oklch": {
    "l": 0.57358,
    "c": 0.1176,
    "h": 247.8
  },
  "luminance": 0.19025
}

Semantic roles & 50–950 ramp

primary

#377DBA

secondary

#C8A485

accent

#8F4ADE

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0F14

muted

#7C7E82

Preview Lab

Preview with #377DBA

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

Preview Lab → · Contrast checker → · Palette generator →