#2379B1#2379B1

#2379B1 is a mid, moderate cyan. Relative luminance 0.172; OKLCH L 55.3% C 0.117 H 242.6°. Best body text is #FFFFFF at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#2379B1
RGB	rgb(35, 121, 177)
HSL	hsl(204, 67%, 42%)
HSV	hsv(204, 80%, 69%)
CMYK	cmyk(80.2%, 31.6%, 0%, 30.6%)
CIE-LAB	lab(48.52, -5.13, -36.73)
CIE-LCH	lch(48.52, 37.09, 262.04°)
OKLab	oklab(55.32% -0.0541 -0.1042)
OKLCH	oklch(55.32% 0.117 242.6)
XYZ	xyz(15.4632, 17.2045, 44.0923)
Luminance	0.1721 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2379B1 #B15B23

analogous

#23B1A2 #2379B1 #2332B1

triadic

#2379B1 #B12379 #79B123

tetradic

#2379B1 #A223B1 #B15B23 #32B123

square

#2379B1 #A223B1 #B15B23 #32B123

split-complementary

#2379B1 #B12332 #B1A223

monochromatic

#0F334B #19567E #2379B1 #3999D8 #6CB4E2

Accessibility & contrast

On white

4.73

#2379B1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.44

#2379B1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2379B1

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2379B1	#FFFFFF	#000000	##FFFFFF
##2379B1	1.00	4.73	4.44	4.73
#FFFFFF	4.73	1.00	21.00	1.00
#000000	4.44	21.00	1.00	21.00
##FFFFFF	4.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F7AB3

Deuteranopia (green-blind)

#4B6DB0

Tritanopia (blue-blind)

#00878D

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #2379b1;
/* rgb */ color: rgb(35, 121, 177);
/* oklch */ color: oklch(55.3% 0.117 242.6);

Tailwind

colors: {
  custom: {
    50: '#759fc8',
    500: '#2379b1',
    950: '#000000',
  },
}

SCSS

$custom: #2379b1;
$custom-light: #759fc8;
$custom-dark: #000000;

JSON

{
  "hex": "#2379b1",
  "rgb": {
    "r": 35,
    "g": 121,
    "b": 177
  },
  "hsl": {
    "h": 203.662,
    "s": 66.981,
    "l": 41.569
  },
  "oklch": {
    "l": 0.55323,
    "c": 0.11743,
    "h": 242.6
  },
  "luminance": 0.17206
}

Semantic roles & 50–950 ramp

primary

#2379B1

secondary

#C88E68

accent

#823EEA

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #2379B1

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

Preview Lab → · Contrast checker → · Palette generator →