#377DC0#377DC0

#377DC0 is a mid, vivid cyan. Relative luminance 0.193; OKLCH L 57.7% C 0.125 H 250.1°. Best body text is #000000 at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#377DC0
RGB	rgb(55, 125, 192)
HSL	hsl(209, 55%, 48%)
HSV	hsv(209, 71%, 75%)
CMYK	cmyk(71.4%, 34.9%, 0%, 24.7%)
CIE-LAB	lab(51.02, 0.48, -41.39)
CIE-LCH	lch(51.02, 41.40, 270.67°)
OKLab	oklab(57.7% -0.0426 -0.1176)
OKLCH	oklch(57.7% 0.125 250.1)
XYZ	xyz(18.4200, 19.2832, 52.6102)
Luminance	0.1928 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#377DC0 #C07A37

analogous

#37C0BE #377DC0 #3738C0

triadic

#377DC0 #C0377D #7DC037

tetradic

#377DC0 #BE37C0 #C07A37 #38C037

square

#377DC0 #BE37C0 #C07A37 #38C037

split-complementary

#377DC0 #C03738 #C0BE37

monochromatic

#1C3F61 #295E90 #377DC0 #629BD2 #92BAE0

Accessibility & contrast

On white

4.32

#377DC0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.86

#377DC0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #377DC0

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##377DC0	#FFFFFF	#000000	##000000
##377DC0	1.00	4.32	4.86	4.86
#FFFFFF	4.32	1.00	21.00	21.00
#000000	4.86	21.00	1.00	1.00
##000000	4.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F81C3

Deuteranopia (green-blind)

#4B74BF

Tritanopia (blue-blind)

#008D95

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #377dc0;
/* rgb */ color: rgb(55, 125, 192);
/* oklch */ color: oklch(57.7% 0.125 250.1);

Tailwind

colors: {
  custom: {
    50: '#7ea2d3',
    500: '#377dc0',
    950: '#000000',
  },
}

SCSS

$custom: #377dc0;
$custom-light: #7ea2d3;
$custom-dark: #000000;

JSON

{
  "hex": "#377dc0",
  "rgb": {
    "r": 55,
    "g": 125,
    "b": 192
  },
  "hsl": {
    "h": 209.343,
    "s": 55.466,
    "l": 48.431
  },
  "oklch": {
    "l": 0.57696,
    "c": 0.12507,
    "h": 250.1
  },
  "luminance": 0.19285
}

Semantic roles & 50–950 ramp

primary

#377DC0

secondary

#CBA988

accent

#9249DF

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0F14

muted

#7C7E83

Preview Lab

Preview with #377DC0

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

Preview Lab → · Contrast checker → · Palette generator →