#377DC2#377DC2

#377DC2 is a mid, vivid cyan. Relative luminance 0.194; OKLCH L 57.8% C 0.128 H 250.7°. Best body text is #000000 at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#377DC2
RGB	rgb(55, 125, 194)
HSL	hsl(210, 56%, 49%)
HSV	hsv(210, 72%, 76%)
CMYK	cmyk(71.6%, 35.6%, 0%, 23.9%)
CIE-LAB	lab(51.12, 1.20, -42.38)
CIE-LCH	lch(51.12, 42.39, 271.62°)
OKLab	oklab(57.81% -0.0421 -0.1204)
OKLCH	oklch(57.81% 0.128 250.7)
XYZ	xyz(18.6431, 19.3724, 53.7852)
Luminance	0.1937 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#377DC2 #C27C37

analogous

#37C2C2 #377DC2 #3738C2

triadic

#377DC2 #C2377D #7DC237

tetradic

#377DC2 #C237C2 #C27C37 #38C237

square

#377DC2 #C237C2 #C27C37 #38C237

split-complementary

#377DC2 #C23738 #C2C237

monochromatic

#1C4063 #295E92 #377DC2 #639CD3 #93BAE0

Accessibility & contrast

On white

4.31

#377DC2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.87

#377DC2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #377DC2

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##377DC2	#FFFFFF	#000000	##000000
##377DC2	1.00	4.31	4.87	4.87
#FFFFFF	4.31	1.00	21.00	21.00
#000000	4.87	21.00	1.00	1.00
##000000	4.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E81C5

Deuteranopia (green-blind)

#4A74C1

Tritanopia (blue-blind)

#008D96

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #377dc2;
/* rgb */ color: rgb(55, 125, 194);
/* oklch */ color: oklch(57.8% 0.128 250.7);

Tailwind

colors: {
  custom: {
    50: '#7fa2d5',
    500: '#377dc2',
    950: '#000000',
  },
}

SCSS

$custom: #377dc2;
$custom-light: #7fa2d5;
$custom-dark: #000000;

JSON

{
  "hex": "#377dc2",
  "rgb": {
    "r": 55,
    "g": 125,
    "b": 194
  },
  "hsl": {
    "h": 209.784,
    "s": 55.823,
    "l": 48.824
  },
  "oklch": {
    "l": 0.57811,
    "c": 0.12759,
    "h": 250.7
  },
  "luminance": 0.19374
}

Semantic roles & 50–950 ramp

primary

#377DC2

secondary

#CBAA89

accent

#9349DF

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0F14

muted

#7C7E83

Preview Lab

Preview with #377DC2

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

Preview Lab → · Contrast checker → · Palette generator →