#377DBF#377DBF

#377DBF is a mid, vivid cyan. Relative luminance 0.192; OKLCH L 57.6% C 0.124 H 249.7°. Best body text is #000000 at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#377DBF
RGB	rgb(55, 125, 191)
HSL	hsl(209, 55%, 48%)
HSV	hsv(209, 71%, 75%)
CMYK	cmyk(71.2%, 34.6%, 0%, 25.1%)
CIE-LAB	lab(50.97, 0.12, -40.90)
CIE-LCH	lch(50.97, 40.90, 270.17°)
OKLab	oklab(57.64% -0.0429 -0.1161)
OKLCH	oklch(57.64% 0.124 249.7)
XYZ	xyz(18.3096, 19.2390, 52.0287)
Luminance	0.1924 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#377DBF #BF7937

analogous

#37BFBD #377DBF #3739BF

triadic

#377DBF #BF377D #7DBF37

tetradic

#377DBF #BD37BF #BF7937 #39BF37

square

#377DBF #BD37BF #BF7937 #39BF37

split-complementary

#377DBF #BF3739 #BFBD37

monochromatic

#1C3F60 #295E8F #377DBF #629BD2 #91B9DF

Accessibility & contrast

On white

4.33

#377DBF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.85

#377DBF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #377DBF

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##377DBF	#FFFFFF	#000000	##000000
##377DBF	1.00	4.33	4.85	4.85
#FFFFFF	4.33	1.00	21.00	21.00
#000000	4.85	21.00	1.00	1.00
##000000	4.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F80C2

Deuteranopia (green-blind)

#4C74BE

Tritanopia (blue-blind)

#008D95

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #377dbf;
/* rgb */ color: rgb(55, 125, 191);
/* oklch */ color: oklch(57.6% 0.124 249.7);

Tailwind

colors: {
  custom: {
    50: '#7ea2d2',
    500: '#377dbf',
    950: '#000000',
  },
}

SCSS

$custom: #377dbf;
$custom-light: #7ea2d2;
$custom-dark: #000000;

JSON

{
  "hex": "#377dbf",
  "rgb": {
    "r": 55,
    "g": 125,
    "b": 191
  },
  "hsl": {
    "h": 209.118,
    "s": 55.285,
    "l": 48.235
  },
  "oklch": {
    "l": 0.57639,
    "c": 0.12382,
    "h": 249.7
  },
  "luminance": 0.19241
}

Semantic roles & 50–950 ramp

primary

#377DBF

secondary

#CAA888

accent

#9249DF

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0F14

muted

#7C7E82

Preview Lab

Preview with #377DBF

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

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