#377FA9#377FA9

#377FA9 is a mid, moderate cyan. Relative luminance 0.189; OKLCH L 56.9% C 0.096 H 237.5°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#377FA9
RGB	rgb(55, 127, 169)
HSL	hsl(202, 51%, 44%)
HSV	hsv(202, 67%, 66%)
CMYK	cmyk(67.5%, 24.9%, 0%, 33.7%)
CIE-LAB	lab(50.52, -8.78, -28.92)
CIE-LCH	lch(50.52, 30.23, 253.11°)
OKLab	oklab(56.94% -0.0518 -0.0813)
OKLCH	oklch(56.94% 0.096 237.5)
XYZ	xyz(16.3236, 18.8538, 40.3073)
Luminance	0.1886 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#377FA9 #A96137

analogous

#37A99A #377FA9 #3746A9

triadic

#377FA9 #A9377F #7FA937

tetradic

#377FA9 #9A37A9 #A96137 #46A937

square

#377FA9 #9A37A9 #A96137 #46A937

split-complementary

#377FA9 #A93746 #A99A37

monochromatic

#193A4D #285C7B #377FA9 #559EC8 #84B8D7

Accessibility & contrast

On white

4.40

#377FA9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.77

#377FA9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #377FA9

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##377FA9	#FFFFFF	#000000	##000000
##377FA9	1.00	4.40	4.77	4.77
#FFFFFF	4.40	1.00	21.00	21.00
#000000	4.77	21.00	1.00	1.00
##000000	4.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B7FAB

Deuteranopia (green-blind)

#5C73A8

Tritanopia (blue-blind)

#008A8D

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #377fa9;
/* rgb */ color: rgb(55, 127, 169);
/* oklch */ color: oklch(56.9% 0.096 237.5);

Tailwind

colors: {
  custom: {
    50: '#7ba4c2',
    500: '#377fa9',
    950: '#000000',
  },
}

SCSS

$custom: #377fa9;
$custom-light: #7ba4c2;
$custom-dark: #000000;

JSON

{
  "hex": "#377fa9",
  "rgb": {
    "r": 55,
    "g": 127,
    "b": 169
  },
  "hsl": {
    "h": 202.105,
    "s": 50.893,
    "l": 43.922
  },
  "oklch": {
    "l": 0.5694,
    "c": 0.09642,
    "h": 237.5
  },
  "luminance": 0.18856
}

Semantic roles & 50–950 ramp

primary

#377FA9

secondary

#C0957B

accent

#814DDA

background

#F7FAFB

surface

#EEF3F7

border

#C9CDD0

text

#0A0F12

muted

#7C7F81

Preview Lab

Preview with #377FA9

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

Preview Lab → · Contrast checker → · Palette generator →