#377DC4#377DC4

#377DC4 is a mid, vivid cyan. Relative luminance 0.195; OKLCH L 57.9% C 0.130 H 251.4°. Best body text is #000000 at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#377DC4
RGB	rgb(55, 125, 196)
HSL	hsl(210, 56%, 49%)
HSV	hsv(210, 72%, 77%)
CMYK	cmyk(71.9%, 36.2%, 0%, 23.1%)
CIE-LAB	lab(51.22, 1.92, -43.35)
CIE-LCH	lch(51.22, 43.40, 272.54°)
OKLab	oklab(57.93% -0.0416 -0.1233)
OKLCH	oklch(57.93% 0.13 251.4)
XYZ	xyz(18.8692, 19.4629, 54.9761)
Luminance	0.1946 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#377DC4 #C47E37

analogous

#37C4C4 #377DC4 #3837C4

triadic

#377DC4 #C4377D #7DC437

tetradic

#377DC4 #C437C4 #C47E37 #37C438

square

#377DC4 #C437C4 #C47E37 #37C438

split-complementary

#377DC4 #C43837 #C4C437

monochromatic

#1C4064 #2A5F94 #377DC4 #659CD4 #94BAE1

Accessibility & contrast

On white

4.29

#377DC4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.89

#377DC4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #377DC4

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##377DC4	#FFFFFF	#000000	##000000
##377DC4	1.00	4.29	4.89	4.89
#FFFFFF	4.29	1.00	21.00	21.00
#000000	4.89	21.00	1.00	1.00
##000000	4.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D81C7

Deuteranopia (green-blind)

#4874C3

Tritanopia (blue-blind)

#008E97

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #377dc4;
/* rgb */ color: rgb(55, 125, 196);
/* oklch */ color: oklch(57.9% 0.130 251.4);

Tailwind

colors: {
  custom: {
    50: '#7fa2d6',
    500: '#377dc4',
    950: '#000000',
  },
}

SCSS

$custom: #377dc4;
$custom-light: #7fa2d6;
$custom-dark: #000000;

JSON

{
  "hex": "#377dc4",
  "rgb": {
    "r": 55,
    "g": 125,
    "b": 196
  },
  "hsl": {
    "h": 210.213,
    "s": 56.175,
    "l": 49.216
  },
  "oklch": {
    "l": 0.57926,
    "c": 0.13013,
    "h": 251.4
  },
  "luminance": 0.19465
}

Semantic roles & 50–950 ramp

primary

#377DC4

secondary

#CCAC8B

accent

#9448DF

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0F14

muted

#7C7E83

Preview Lab

Preview with #377DC4

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

Preview Lab → · Contrast checker → · Palette generator →