#2978C4#2978C4

#2978C4 is a mid, vivid cyan. Relative luminance 0.179; OKLCH L 56.4% C 0.140 H 251.2°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#2978C4
RGB	rgb(41, 120, 196)
HSL	hsl(209, 65%, 46%)
HSV	hsv(209, 79%, 77%)
CMYK	cmyk(79.1%, 38.8%, 0%, 23.1%)
CIE-LAB	lab(49.36, 3.22, -46.34)
CIE-LCH	lch(49.36, 46.45, 273.97°)
OKLab	oklab(56.35% -0.0451 -0.1323)
OKLCH	oklch(56.35% 0.14 251.2)
XYZ	xyz(17.5910, 17.8878, 54.7394)
Luminance	0.1789 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2978C4 #C47529

analogous

#29C4C3 #2978C4 #292BC4

triadic

#2978C4 #C42978 #78C429

tetradic

#2978C4 #C329C4 #C47529 #2BC429

square

#2978C4 #C329C4 #C47529 #2BC429

split-complementary

#2978C4 #C4292B #C4C329

monochromatic

#143A5F #1E5991 #2978C4 #5096DA #82B5E5

Accessibility & contrast

On white

4.59

#2978C4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.58

#2978C4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #2978C4

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2978C4	#FFFFFF	#000000	##FFFFFF
##2978C4	1.00	4.59	4.58	4.59
#FFFFFF	4.59	1.00	21.00	1.00
#000000	4.58	21.00	1.00	21.00
##FFFFFF	4.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#547DC7

Deuteranopia (green-blind)

#3B6FC3

Tritanopia (blue-blind)

#008A94

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #2978c4;
/* rgb */ color: rgb(41, 120, 196);
/* oklch */ color: oklch(56.4% 0.140 251.2);

Tailwind

colors: {
  custom: {
    50: '#7a9ed6',
    500: '#2978c4',
    950: '#000000',
  },
}

SCSS

$custom: #2978c4;
$custom-light: #7a9ed6;
$custom-dark: #000000;

JSON

{
  "hex": "#2978c4",
  "rgb": {
    "r": 41,
    "g": 120,
    "b": 196
  },
  "hsl": {
    "h": 209.419,
    "s": 65.401,
    "l": 46.471
  },
  "oklch": {
    "l": 0.56353,
    "c": 0.13976,
    "h": 251.2
  },
  "luminance": 0.1789
}

Semantic roles & 50–950 ramp

primary

#2978C4

secondary

#CEA47B

accent

#923FE8

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #2978C4

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

Preview Lab → · Contrast checker → · Palette generator →