#377CAC#377CAC

#377CAC is a mid, moderate cyan. Relative luminance 0.182; OKLCH L 56.4% C 0.102 H 242.1°. Best body text is #000000 at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#377CAC
RGB	rgb(55, 124, 172)
HSL	hsl(205, 52%, 45%)
HSV	hsv(205, 68%, 67%)
CMYK	cmyk(68%, 27.9%, 0%, 32.5%)
CIE-LAB	lab(49.74, -6.00, -31.87)
CIE-LCH	lch(49.74, 32.43, 259.34°)
OKLab	oklab(56.37% -0.0476 -0.0898)
OKLCH	oklch(56.37% 0.102 242.1)
XYZ	xyz(16.2267, 18.2044, 41.6803)
Luminance	0.1821 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#377CAC #AC6737

analogous

#37ACA2 #377CAC #3742AC

triadic

#377CAC #AC377C #7CAC37

tetradic

#377CAC #A237AC #AC6737 #42AC37

square

#377CAC #A237AC #AC6737 #42AC37

split-complementary

#377CAC #AC3742 #ACA237

monochromatic

#19394F #285B7E #377CAC #579AC9 #85B6D8

Accessibility & contrast

On white

4.52

#377CAC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.64

#377CAC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #377CAC

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##377CAC	#FFFFFF	#000000	##000000
##377CAC	1.00	4.52	4.64	4.64
#FFFFFF	4.52	1.00	21.00	21.00
#000000	4.64	21.00	1.00	1.00
##000000	4.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#667DAE

Deuteranopia (green-blind)

#5671AB

Tritanopia (blue-blind)

#00888D

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #377cac;
/* rgb */ color: rgb(55, 124, 172);
/* oklch */ color: oklch(56.4% 0.102 242.1);

Tailwind

colors: {
  custom: {
    50: '#7ba1c5',
    500: '#377cac',
    950: '#000000',
  },
}

SCSS

$custom: #377cac;
$custom-light: #7ba1c5;
$custom-dark: #000000;

JSON

{
  "hex": "#377cac",
  "rgb": {
    "r": 55,
    "g": 124,
    "b": 172
  },
  "hsl": {
    "h": 204.615,
    "s": 51.542,
    "l": 44.51
  },
  "oklch": {
    "l": 0.56372,
    "c": 0.1017,
    "h": 242.1
  },
  "luminance": 0.18206
}

Semantic roles & 50–950 ramp

primary

#377CAC

secondary

#C2997D

accent

#874DDB

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0A0F13

muted

#7C7E82

Preview Lab

Preview with #377CAC

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

Preview Lab → · Contrast checker → · Palette generator →