#377DA7#377DA7

#377DA7 is a mid, moderate cyan. Relative luminance 0.183; OKLCH L 56.4% C 0.095 H 238.1°. Best body text is #000000 at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#377DA7
RGB	rgb(55, 125, 167)
HSL	hsl(203, 50%, 44%)
HSV	hsv(203, 67%, 65%)
CMYK	cmyk(67.1%, 25.1%, 0%, 34.5%)
CIE-LAB	lab(49.82, -8.31, -28.85)
CIE-LCH	lch(49.82, 30.02, 253.93°)
OKLab	oklab(56.36% -0.0504 -0.0811)
OKLCH	oklch(56.36% 0.095 238.1)
XYZ	xyz(15.8815, 18.2678, 39.2408)
Luminance	0.1827 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#377DA7 #A76137

analogous

#37A799 #377DA7 #3745A7

triadic

#377DA7 #A7377D #7DA737

tetradic

#377DA7 #9937A7 #A76137 #45A737

square

#377DA7 #9937A7 #A76137 #45A737

split-complementary

#377DA7 #A73745 #A79937

monochromatic

#19384B #285B79 #377DA7 #549CC7 #82B7D6

Accessibility & contrast

On white

4.51

#377DA7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.65

#377DA7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #377DA7

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##377DA7	#FFFFFF	#000000	##000000
##377DA7	1.00	4.51	4.65	4.65
#FFFFFF	4.51	1.00	21.00	21.00
#000000	4.65	21.00	1.00	1.00
##000000	4.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#697DA9

Deuteranopia (green-blind)

#5A72A6

Tritanopia (blue-blind)

#00888B

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #377da7;
/* rgb */ color: rgb(55, 125, 167);
/* oklch */ color: oklch(56.4% 0.095 238.1);

Tailwind

colors: {
  custom: {
    50: '#7aa2c1',
    500: '#377da7',
    950: '#000000',
  },
}

SCSS

$custom: #377da7;
$custom-light: #7aa2c1;
$custom-dark: #000000;

JSON

{
  "hex": "#377da7",
  "rgb": {
    "r": 55,
    "g": 125,
    "b": 167
  },
  "hsl": {
    "h": 202.5,
    "s": 50.45,
    "l": 43.529
  },
  "oklch": {
    "l": 0.56358,
    "c": 0.09548,
    "h": 238.1
  },
  "luminance": 0.18269
}

Semantic roles & 50–950 ramp

primary

#377DA7

secondary

#C0947A

accent

#824EDA

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#0A0F12

muted

#7C7E81

Preview Lab

Preview with #377DA7

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

Preview Lab → · Contrast checker → · Palette generator →