#377BAE#377BAE

#377BAE is a mid, moderate cyan. Relative luminance 0.180; OKLCH L 56.2% C 0.105 H 244.0°. Best body text is #000000 at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#377BAE
RGB	rgb(55, 123, 174)
HSL	hsl(206, 52%, 45%)
HSV	hsv(206, 68%, 68%)
CMYK	cmyk(68.4%, 29.3%, 0%, 31.8%)
CIE-LAB	lab(49.54, -4.71, -33.35)
CIE-LCH	lch(49.54, 33.68, 261.96°)
OKLab	oklab(56.24% -0.0459 -0.0942)
OKLCH	oklch(56.24% 0.105 244)
XYZ	xyz(16.2956, 18.0324, 42.6580)
Luminance	0.1803 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#377BAE #AE6A37

analogous

#37AEA5 #377BAE #3740AE

triadic

#377BAE #AE377B #7BAE37

tetradic

#377BAE #A537AE #AE6A37 #40AE37

square

#377BAE #A537AE #AE6A37 #40AE37

split-complementary

#377BAE #AE3740 #AEA537

monochromatic

#1A3951 #285A7F #377BAE #5899CA #86B6D9

Accessibility & contrast

On white

4.56

#377BAE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.61

#377BAE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #377BAE

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##377BAE	#FFFFFF	#000000	##000000
##377BAE	1.00	4.56	4.61	4.61
#FFFFFF	4.56	1.00	21.00	21.00
#000000	4.61	21.00	1.00	1.00
##000000	4.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#647CB0

Deuteranopia (green-blind)

#5471AD

Tritanopia (blue-blind)

#00878D

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #377bae;
/* rgb */ color: rgb(55, 123, 174);
/* oklch */ color: oklch(56.2% 0.105 244.0);

Tailwind

colors: {
  custom: {
    50: '#7ba1c6',
    500: '#377bae',
    950: '#000000',
  },
}

SCSS

$custom: #377bae;
$custom-light: #7ba1c6;
$custom-dark: #000000;

JSON

{
  "hex": "#377bae",
  "rgb": {
    "r": 55,
    "g": 123,
    "b": 174
  },
  "hsl": {
    "h": 205.714,
    "s": 51.965,
    "l": 44.902
  },
  "oklch": {
    "l": 0.56239,
    "c": 0.10478,
    "h": 244
  },
  "luminance": 0.18034
}

Semantic roles & 50–950 ramp

primary

#377BAE

secondary

#C39B7E

accent

#8A4CDB

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #377BAE

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

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