#377DA2#377DA2

#377DA2 is a mid, moderate cyan. Relative luminance 0.181; OKLCH L 56.1% C 0.090 H 234.7°. Best body text is #000000 at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#377DA2
RGB	rgb(55, 125, 162)
HSL	hsl(201, 49%, 43%)
HSV	hsv(201, 66%, 64%)
CMYK	cmyk(66%, 22.8%, 0%, 36.5%)
CIE-LAB	lab(49.60, -10.01, -26.28)
CIE-LCH	lch(49.60, 28.12, 249.14°)
OKLab	oklab(56.11% -0.0522 -0.0737)
OKLCH	oklch(56.11% 0.09 234.7)
XYZ	xyz(15.4282, 18.0865, 36.8534)
Luminance	0.1809 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#377DA2 #A25C37

analogous

#37A292 #377DA2 #3747A2

triadic

#377DA2 #A2377D #7DA237

tetradic

#377DA2 #9237A2 #A25C37 #47A237

square

#377DA2 #9237A2 #A25C37 #47A237

split-complementary

#377DA2 #A23747 #A29237

monochromatic

#183647 #275A74 #377DA2 #529DC4 #80B7D4

Accessibility & contrast

On white

4.55

#377DA2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.62

#377DA2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #377DA2

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##377DA2	#FFFFFF	#000000	##000000
##377DA2	1.00	4.55	4.62	4.62
#FFFFFF	4.55	1.00	21.00	21.00
#000000	4.62	21.00	1.00	1.00
##000000	4.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B7CA4

Deuteranopia (green-blind)

#5C71A1

Tritanopia (blue-blind)

#008789

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #377da2;
/* rgb */ color: rgb(55, 125, 162);
/* oklch */ color: oklch(56.1% 0.090 234.7);

Tailwind

colors: {
  custom: {
    50: '#7aa2bd',
    500: '#377da2',
    950: '#000000',
  },
}

SCSS

$custom: #377da2;
$custom-light: #7aa2bd;
$custom-dark: #000000;

JSON

{
  "hex": "#377da2",
  "rgb": {
    "r": 55,
    "g": 125,
    "b": 162
  },
  "hsl": {
    "h": 200.748,
    "s": 49.309,
    "l": 42.549
  },
  "oklch": {
    "l": 0.56112,
    "c": 0.09029,
    "h": 234.7
  },
  "luminance": 0.18088
}

Semantic roles & 50–950 ramp

primary

#377DA2

secondary

#BD9078

accent

#7F4FD9

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#0A0F12

muted

#7C7E81

Preview Lab

Preview with #377DA2

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

Preview Lab → · Contrast checker → · Palette generator →