#377EBE#377EBE

#377EBE is a mid, vivid cyan. Relative luminance 0.195; OKLCH L 57.8% C 0.122 H 248.7°. Best body text is #000000 at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#377EBE
RGB	rgb(55, 126, 190)
HSL	hsl(208, 55%, 48%)
HSV	hsv(208, 71%, 75%)
CMYK	cmyk(71.1%, 33.7%, 0%, 25.5%)
CIE-LAB	lab(51.21, -0.83, -39.94)
CIE-LCH	lch(51.21, 39.95, 268.80°)
OKLab	oklab(57.81% -0.0442 -0.1133)
OKLCH	oklch(57.81% 0.122 248.7)
XYZ	xyz(18.3272, 19.4496, 51.4935)
Luminance	0.1945 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#377EBE #BE7737

analogous

#37BEBA #377EBE #373BBE

triadic

#377EBE #BE377E #7EBE37

tetradic

#377EBE #BA37BE #BE7737 #3BBE37

square

#377EBE #BA37BE #BE7737 #3BBE37

split-complementary

#377EBE #BE373B #BEBA37

monochromatic

#1C3F5F #295F8F #377EBE #619CD1 #90BADF

Accessibility & contrast

On white

4.29

#377EBE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.89

#377EBE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #377EBE

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##377EBE	#FFFFFF	#000000	##000000
##377EBE	1.00	4.29	4.89	4.89
#FFFFFF	4.29	1.00	21.00	21.00
#000000	4.89	21.00	1.00	1.00
##000000	4.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6181C1

Deuteranopia (green-blind)

#4E74BD

Tritanopia (blue-blind)

#008D95

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #377ebe;
/* rgb */ color: rgb(55, 126, 190);
/* oklch */ color: oklch(57.8% 0.122 248.7);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#377ebe",
  "rgb": {
    "r": 55,
    "g": 126,
    "b": 190
  },
  "hsl": {
    "h": 208.444,
    "s": 55.102,
    "l": 48.039
  },
  "oklch": {
    "l": 0.57814,
    "c": 0.12163,
    "h": 248.7
  },
  "luminance": 0.19452
}

Semantic roles & 50–950 ramp

primary

#377EBE

secondary

#CAA787

accent

#9049DE

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0F14

muted

#7C7E82

Preview Lab

Preview with #377EBE

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

Preview Lab → · Contrast checker → · Palette generator →