#2379BC#2379BC

#2379BC is a mid, vivid cyan. Relative luminance 0.177; OKLCH L 56.0% C 0.131 H 247.0°. Best body text is #FFFFFF at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#2379BC
RGB	rgb(35, 121, 188)
HSL	hsl(206, 69%, 44%)
HSV	hsv(206, 81%, 74%)
CMYK	cmyk(81.4%, 35.6%, 0%, 26.3%)
CIE-LAB	lab(49.08, -1.02, -42.19)
CIE-LCH	lch(49.08, 42.21, 268.62°)
OKLab	oklab(55.95% -0.0509 -0.1202)
OKLCH	oklch(55.95% 0.131 247)
XYZ	xyz(16.6041, 17.6609, 50.1010)
Luminance	0.1766 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2379BC #BC6623

analogous

#23BCB2 #2379BC #232CBC

triadic

#2379BC #BC2379 #79BC23

tetradic

#2379BC #B223BC #BC6623 #2CBC23

square

#2379BC #B223BC #BC6623 #2CBC23

split-complementary

#2379BC #BC232C #BCB223

monochromatic

#103755 #195888 #2379BC #4198DC #74B4E5

Accessibility & contrast

On white

4.63

#2379BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.53

#2379BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #2379BC

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2379BC	#FFFFFF	#000000	##FFFFFF
##2379BC	1.00	4.63	4.53	4.63
#FFFFFF	4.63	1.00	21.00	1.00
#000000	4.53	21.00	1.00	21.00
##FFFFFF	4.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#597CBF

Deuteranopia (green-blind)

#436EBB

Tritanopia (blue-blind)

#008991

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #2379bc;
/* rgb */ color: rgb(35, 121, 188);
/* oklch */ color: oklch(56.0% 0.131 247.0);

Tailwind

colors: {
  custom: {
    50: '#779fd0',
    500: '#2379bc',
    950: '#000000',
  },
}

SCSS

$custom: #2379bc;
$custom-light: #779fd0;
$custom-dark: #000000;

JSON

{
  "hex": "#2379bc",
  "rgb": {
    "r": 35,
    "g": 121,
    "b": 188
  },
  "hsl": {
    "h": 206.275,
    "s": 68.61,
    "l": 43.725
  },
  "oklch": {
    "l": 0.55954,
    "c": 0.13051,
    "h": 247
  },
  "luminance": 0.17663
}

Semantic roles & 50–950 ramp

primary

#2379BC

secondary

#CC986F

accent

#893CEB

background

#F7F9FC

surface

#EEF2F9

border

#C9CCD2

text

#0A0E14

muted

#7C7E82

Preview Lab

Preview with #2379BC

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

Preview Lab → · Contrast checker → · Palette generator →