#2978AA#2978AA

#2978AA is a mid, moderate cyan. Relative luminance 0.168; OKLCH L 54.9% C 0.108 H 241.0°. Best body text is #FFFFFF at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#2978AA
RGB	rgb(41, 120, 170)
HSL	hsl(203, 61%, 41%)
HSV	hsv(203, 76%, 67%)
CMYK	cmyk(75.9%, 29.4%, 0%, 33.3%)
CIE-LAB	lab(48.01, -6.42, -33.44)
CIE-LCH	lch(48.01, 34.05, 259.14°)
OKLab	oklab(54.85% -0.0525 -0.0946)
OKLCH	oklch(54.85% 0.108 241)
XYZ	xyz(14.8838, 16.8049, 40.4817)
Luminance	0.1681 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2978AA #AA5B29

analogous

#29AA9C #2978AA #2938AA

triadic

#2978AA #AA2978 #78AA29

tetradic

#2978AA #9C29AA #AA5B29 #38AA29

square

#2978AA #9C29AA #AA5B29 #38AA29

split-complementary

#2978AA #AA2938 #AA9C29

monochromatic

#113247 #1D5579 #2978AA #3F98D1 #71B3DD

Accessibility & contrast

On white

4.81

#2978AA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.36

#2978AA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2978AA

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2978AA	#FFFFFF	#000000	##FFFFFF
##2978AA	1.00	4.81	4.36	4.81
#FFFFFF	4.81	1.00	21.00	1.00
#000000	4.36	21.00	1.00	21.00
##FFFFFF	4.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6179AC

Deuteranopia (green-blind)

#4F6DA9

Tritanopia (blue-blind)

#008489

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #2978aa;
/* rgb */ color: rgb(41, 120, 170);
/* oklch */ color: oklch(54.9% 0.108 241.0);

Tailwind

colors: {
  custom: {
    50: '#759ec3',
    500: '#2978aa',
    950: '#000000',
  },
}

SCSS

$custom: #2978aa;
$custom-light: #759ec3;
$custom-dark: #000000;

JSON

{
  "hex": "#2978aa",
  "rgb": {
    "r": 41,
    "g": 120,
    "b": 170
  },
  "hsl": {
    "h": 203.256,
    "s": 61.137,
    "l": 41.373
  },
  "oklch": {
    "l": 0.54853,
    "c": 0.1082,
    "h": 241
  },
  "luminance": 0.16807
}

Semantic roles & 50–950 ramp

primary

#2978AA

secondary

#C48D6B

accent

#8244E4

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #2978AA

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

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