#377E9E#377E9E

#377E9E is a mid, moderate cyan. Relative luminance 0.182; OKLCH L 56.2% C 0.086 H 230.5°. Best body text is #000000 at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#377E9E
RGB	rgb(55, 126, 158)
HSL	hsl(199, 48%, 42%)
HSV	hsv(199, 65%, 62%)
CMYK	cmyk(65.2%, 20.3%, 0%, 38%)
CIE-LAB	lab(49.74, -11.93, -23.73)
CIE-LCH	lch(49.74, 26.56, 243.31°)
OKLab	oklab(56.17% -0.0547 -0.0664)
OKLCH	oklch(56.17% 0.086 230.5)
XYZ	xyz(15.2055, 18.2010, 35.0529)
Luminance	0.1820 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#377E9E #9E5737

analogous

#379E8B #377E9E #374B9E

triadic

#377E9E #9E377E #7E9E37

tetradic

#377E9E #8B379E #9E5737 #4B9E37

square

#377E9E #8B379E #9E5737 #4B9E37

split-complementary

#377E9E #9E374B #9E8B37

monochromatic

#173643 #275A71 #377E9E #509FC2 #7DB8D2

Accessibility & contrast

On white

4.53

#377E9E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.64

#377E9E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #377E9E

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##377E9E	#FFFFFF	#000000	##000000
##377E9E	1.00	4.53	4.64	4.64
#FFFFFF	4.53	1.00	21.00	21.00
#000000	4.64	21.00	1.00	1.00
##000000	4.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E7CA0

Deuteranopia (green-blind)

#5F729E

Tritanopia (blue-blind)

#008789

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #377e9e;
/* rgb */ color: rgb(55, 126, 158);
/* oklch */ color: oklch(56.2% 0.086 230.5);

Tailwind

colors: {
  custom: {
    50: '#79a3ba',
    500: '#377e9e',
    950: '#000000',
  },
}

SCSS

$custom: #377e9e;
$custom-light: #79a3ba;
$custom-dark: #000000;

JSON

{
  "hex": "#377e9e",
  "rgb": {
    "r": 55,
    "g": 126,
    "b": 158
  },
  "hsl": {
    "h": 198.641,
    "s": 48.357,
    "l": 41.765
  },
  "oklch": {
    "l": 0.56166,
    "c": 0.08604,
    "h": 230.5
  },
  "luminance": 0.18203
}

Semantic roles & 50–950 ramp

primary

#377E9E

secondary

#BB8B76

accent

#7A50D8

background

#F7FAFB

surface

#EEF3F6

border

#C9CDD0

text

#0A0F11

muted

#7C7F80

Preview Lab

Preview with #377E9E

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

Preview Lab → · Contrast checker → · Palette generator →