#377DA0#377DA0

#377DA0 is a mid, moderate cyan. Relative luminance 0.180; OKLCH L 56.0% C 0.088 H 233.2°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#377DA0
RGB	rgb(55, 125, 160)
HSL	hsl(200, 49%, 42%)
HSV	hsv(200, 66%, 63%)
CMYK	cmyk(65.6%, 21.9%, 0%, 37.3%)
CIE-LAB	lab(49.52, -10.69, -25.24)
CIE-LCH	lch(49.52, 27.41, 247.05°)
OKLab	oklab(56.02% -0.0529 -0.0707)
OKLCH	oklch(56.02% 0.088 233.2)
XYZ	xyz(15.2519, 18.0159, 35.9245)
Luminance	0.1802 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#377DA0 #A05A37

analogous

#37A08F #377DA0 #3749A0

triadic

#377DA0 #A0377D #7DA037

tetradic

#377DA0 #8F37A0 #A05A37 #49A037

square

#377DA0 #8F37A0 #A05A37 #49A037

split-complementary

#377DA0 #A03749 #A08F37

monochromatic

#183645 #275972 #377DA0 #519DC3 #7FB7D3

Accessibility & contrast

On white

4.56

#377DA0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.60

#377DA0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #377DA0

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##377DA0	#FFFFFF	#000000	##000000
##377DA0	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)

#6C7CA2

Deuteranopia (green-blind)

#5D719F

Tritanopia (blue-blind)

#008689

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #377da0;
/* rgb */ color: rgb(55, 125, 160);
/* oklch */ color: oklch(56.0% 0.088 233.2);

Tailwind

colors: {
  custom: {
    50: '#79a2bc',
    500: '#377da0',
    950: '#000000',
  },
}

SCSS

$custom: #377da0;
$custom-light: #79a2bc;
$custom-dark: #000000;

JSON

{
  "hex": "#377da0",
  "rgb": {
    "r": 55,
    "g": 125,
    "b": 160
  },
  "hsl": {
    "h": 200,
    "s": 48.837,
    "l": 42.157
  },
  "oklch": {
    "l": 0.56016,
    "c": 0.08832,
    "h": 233.2
  },
  "luminance": 0.18018
}

Semantic roles & 50–950 ramp

primary

#377DA0

secondary

#BC8E77

accent

#7D4FD8

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#0A0F12

muted

#7C7E81

Preview Lab

Preview with #377DA0

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

Preview Lab → · Contrast checker → · Palette generator →