#377EBF#377EBF

#377EBF is a mid, vivid cyan. Relative luminance 0.195; OKLCH L 57.9% C 0.123 H 249.1°. Best body text is #000000 at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#377EBF
RGB	rgb(55, 126, 191)
HSL	hsl(209, 55%, 48%)
HSV	hsv(209, 71%, 75%)
CMYK	cmyk(71.2%, 34%, 0%, 25.1%)
CIE-LAB	lab(51.26, -0.48, -40.44)
CIE-LCH	lch(51.26, 40.44, 269.32°)
OKLab	oklab(57.87% -0.0439 -0.1148)
OKLCH	oklch(57.87% 0.123 249.1)
XYZ	xyz(18.4368, 19.4935, 52.0711)
Luminance	0.1950 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#377EBF #BF7837

analogous

#37BFBC #377EBF #373ABF

triadic

#377EBF #BF377E #7EBF37

tetradic

#377EBF #BC37BF #BF7837 #3ABF37

square

#377EBF #BC37BF #BF7837 #3ABF37

split-complementary

#377EBF #BF373A #BFBC37

monochromatic

#1C3F60 #295F8F #377EBF #629CD2 #91BADF

Accessibility & contrast

On white

4.29

#377EBF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.90

#377EBF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #377EBF

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##377EBF	#FFFFFF	#000000	##000000
##377EBF	1.00	4.29	4.90	4.90
#FFFFFF	4.29	1.00	21.00	21.00
#000000	4.90	21.00	1.00	1.00
##000000	4.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6181C2

Deuteranopia (green-blind)

#4D74BE

Tritanopia (blue-blind)

#008D95

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #377ebf;
/* rgb */ color: rgb(55, 126, 191);
/* oklch */ color: oklch(57.9% 0.123 249.1);

Tailwind

colors: {
  custom: {
    50: '#7ea3d2',
    500: '#377ebf',
    950: '#000000',
  },
}

SCSS

$custom: #377ebf;
$custom-light: #7ea3d2;
$custom-dark: #000000;

JSON

{
  "hex": "#377ebf",
  "rgb": {
    "r": 55,
    "g": 126,
    "b": 191
  },
  "hsl": {
    "h": 208.676,
    "s": 55.285,
    "l": 48.235
  },
  "oklch": {
    "l": 0.5787,
    "c": 0.12288,
    "h": 249.1
  },
  "luminance": 0.19496
}

Semantic roles & 50–950 ramp

primary

#377EBF

secondary

#CAA788

accent

#9149DF

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0F14

muted

#7C7E82

Preview Lab

Preview with #377EBF

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

Preview Lab → · Contrast checker → · Palette generator →