#377DAC#377DAC

#377DAC is a mid, moderate cyan. Relative luminance 0.185; OKLCH L 56.6% C 0.101 H 241.2°. Best body text is #000000 at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#377DAC
RGB	rgb(55, 125, 172)
HSL	hsl(204, 52%, 45%)
HSV	hsv(204, 68%, 67%)
CMYK	cmyk(68%, 27.3%, 0%, 32.5%)
CIE-LAB	lab(50.04, -6.59, -31.40)
CIE-LCH	lch(50.04, 32.08, 258.15°)
OKLab	oklab(56.61% -0.0487 -0.0885)
OKLCH	oklch(56.61% 0.101 241.2)
XYZ	xyz(16.3527, 18.4563, 41.7223)
Luminance	0.1846 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#377DAC #AC6637

analogous

#37ACA1 #377DAC #3742AC

triadic

#377DAC #AC377D #7DAC37

tetradic

#377DAC #A137AC #AC6637 #42AC37

square

#377DAC #A137AC #AC6637 #42AC37

split-complementary

#377DAC #AC3742 #ACA137

monochromatic

#193A4F #285B7E #377DAC #579BC9 #85B7D8

Accessibility & contrast

On white

4.48

#377DAC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.69

#377DAC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #377DAC

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##377DAC	#FFFFFF	#000000	##000000
##377DAC	1.00	4.48	4.69	4.69
#FFFFFF	4.48	1.00	21.00	21.00
#000000	4.69	21.00	1.00	1.00
##000000	4.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#687DAE

Deuteranopia (green-blind)

#5872AB

Tritanopia (blue-blind)

#00898D

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #377dac;
/* rgb */ color: rgb(55, 125, 172);
/* oklch */ color: oklch(56.6% 0.101 241.2);

Tailwind

colors: {
  custom: {
    50: '#7ba2c5',
    500: '#377dac',
    950: '#000000',
  },
}

SCSS

$custom: #377dac;
$custom-light: #7ba2c5;
$custom-dark: #000000;

JSON

{
  "hex": "#377dac",
  "rgb": {
    "r": 55,
    "g": 125,
    "b": 172
  },
  "hsl": {
    "h": 204.103,
    "s": 51.542,
    "l": 44.51
  },
  "oklch": {
    "l": 0.56611,
    "c": 0.10099,
    "h": 241.2
  },
  "luminance": 0.18458
}

Semantic roles & 50–950 ramp

primary

#377DAC

secondary

#C2997D

accent

#864DDB

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0A0F13

muted

#7C7E82

Preview Lab

Preview with #377DAC

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

Preview Lab → · Contrast checker → · Palette generator →