#379BBB#379BBB

#379BBB is a light, moderate cyan. Relative luminance 0.278; OKLCH L 64.5% C 0.102 H 223.2°. Best body text is #000000 at 6.57:1 contrast (WCAG AA passes).

Color values

HEX	#379BBB
RGB	rgb(55, 155, 187)
HSL	hsl(195, 55%, 47%)
HSV	hsv(195, 71%, 73%)
CMYK	cmyk(70.6%, 17.1%, 0%, 26.7%)
CIE-LAB	lab(59.74, -18.27, -24.94)
CIE-LCH	lch(59.74, 30.91, 233.77°)
OKLab	oklab(64.55% -0.0742 -0.0697)
OKLCH	oklch(64.55% 0.102 223.2)
XYZ	xyz(22.2629, 27.8402, 51.2045)
Luminance	0.2784 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#379BBB #BB5737

analogous

#37BB99 #379BBB #3759BB

triadic

#379BBB #BB379B #9BBB37

tetradic

#379BBB #9937BB #BB5737 #59BB37

square

#379BBB #9937BB #BB5737 #59BB37

split-complementary

#379BBB #BB3759 #BB9937

monochromatic

#1B4D5C #29748C #379BBB #5FB5D0 #8ECBDE

Accessibility & contrast

On white

3.20

#379BBB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.57

#379BBB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #379BBB

6.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##379BBB	#FFFFFF	#000000	##000000
##379BBB	1.00	3.20	6.57	6.57
#FFFFFF	3.20	1.00	21.00	21.00
#000000	6.57	21.00	1.00	1.00
##000000	6.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8997BD

Deuteranopia (green-blind)

#778ABB

Tritanopia (blue-blind)

#00A5A5

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #379bbb;
/* rgb */ color: rgb(55, 155, 187);
/* oklch */ color: oklch(64.5% 0.102 223.2);

Tailwind

colors: {
  custom: {
    50: '#7fb8cf',
    500: '#379bbb',
    950: '#000000',
  },
}

SCSS

$custom: #379bbb;
$custom-light: #7fb8cf;
$custom-dark: #000000;

JSON

{
  "hex": "#379bbb",
  "rgb": {
    "r": 55,
    "g": 155,
    "b": 187
  },
  "hsl": {
    "h": 194.545,
    "s": 54.545,
    "l": 47.451
  },
  "oklch": {
    "l": 0.64548,
    "c": 0.10181,
    "h": 223.2
  },
  "luminance": 0.27843
}

Semantic roles & 50–950 ramp

primary

#379BBB

secondary

#C99685

accent

#6E4ADE

background

#F8FBFC

surface

#EFF6F9

border

#CAD0D2

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #379BBB

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

Preview Lab → · Contrast checker → · Palette generator →