#2978CA#2978CA

#2978CA is a mid, vivid cyan. Relative luminance 0.182; OKLCH L 56.7% C 0.147 H 252.8°. Best body text is #000000 at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#2978CA
RGB	rgb(41, 120, 202)
HSL	hsl(211, 66%, 48%)
HSV	hsv(211, 80%, 79%)
CMYK	cmyk(79.7%, 40.6%, 0%, 20.8%)
CIE-LAB	lab(49.70, 5.47, -49.23)
CIE-LCH	lch(49.70, 49.54, 276.35°)
OKLab	oklab(56.73% -0.0437 -0.1408)
OKLCH	oklch(56.73% 0.147 252.8)
XYZ	xyz(18.2876, 18.1664, 58.4083)
Luminance	0.1817 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2978CA #CA7B29

analogous

#29C8CA #2978CA #2B29CA

triadic

#2978CA #CA2978 #78CA29

tetradic

#2978CA #CA29C8 #CA7B29 #29CA2B

square

#2978CA #CA29C8 #CA7B29 #29CA2B

split-complementary

#2978CA #CA2B29 #C8CA29

monochromatic

#143C64 #1F5A97 #2978CA #5497DC #87B6E7

Accessibility & contrast

On white

4.53

#2978CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.63

#2978CA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2978CA

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2978CA	#FFFFFF	#000000	##000000
##2978CA	1.00	4.53	4.63	4.63
#FFFFFF	4.53	1.00	21.00	21.00
#000000	4.63	21.00	1.00	1.00
##000000	4.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#507ECD

Deuteranopia (green-blind)

#3570C8

Tritanopia (blue-blind)

#008C97

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #2978ca;
/* rgb */ color: rgb(41, 120, 202);
/* oklch */ color: oklch(56.7% 0.147 252.8);

Tailwind

colors: {
  custom: {
    50: '#7c9eda',
    500: '#2978ca',
    950: '#000000',
  },
}

SCSS

$custom: #2978ca;
$custom-light: #7c9eda;
$custom-dark: #000000;

JSON

{
  "hex": "#2978ca",
  "rgb": {
    "r": 41,
    "g": 120,
    "b": 202
  },
  "hsl": {
    "h": 210.559,
    "s": 66.255,
    "l": 47.647
  },
  "oklch": {
    "l": 0.56726,
    "c": 0.1474,
    "h": 252.8
  },
  "luminance": 0.18169
}

Semantic roles & 50–950 ramp

primary

#2978CA

secondary

#D0A87F

accent

#953FE9

background

#F8F9FD

surface

#EFF2FB

border

#CACCD4

text

#0B0E15

muted

#7C7E83

Preview Lab

Preview with #2978CA

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

Preview Lab → · Contrast checker → · Palette generator →