#2978B1#2978B1

#2978B1 is a mid, moderate cyan. Relative luminance 0.171; OKLCH L 55.2% C 0.116 H 244.4°. Best body text is #FFFFFF at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#2978B1
RGB	rgb(41, 120, 177)
HSL	hsl(205, 62%, 43%)
HSV	hsv(205, 77%, 69%)
CMYK	cmyk(76.8%, 32.2%, 0%, 30.6%)
CIE-LAB	lab(48.36, -3.85, -36.97)
CIE-LCH	lch(48.36, 37.17, 264.05°)
OKLab	oklab(55.24% -0.0503 -0.1049)
OKLCH	oklch(55.24% 0.116 244.4)
XYZ	xyz(15.5637, 17.0768, 44.0623)
Luminance	0.1708 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2978B1 #B16229

analogous

#29B1A6 #2978B1 #2934B1

triadic

#2978B1 #B12978 #78B129

tetradic

#2978B1 #A629B1 #B16229 #34B129

square

#2978B1 #A629B1 #B16229 #34B129

split-complementary

#2978B1 #B12934 #B1A629

monochromatic

#12354E #1D567F #2978B1 #4497D4 #75B3DF

Accessibility & contrast

On white

4.76

#2978B1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.42

#2978B1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2978B1

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2978B1	#FFFFFF	#000000	##FFFFFF
##2978B1	1.00	4.76	4.42	4.76
#FFFFFF	4.76	1.00	21.00	1.00
#000000	4.42	21.00	1.00	21.00
##FFFFFF	4.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E7AB3

Deuteranopia (green-blind)

#4B6DB0

Tritanopia (blue-blind)

#00868C

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #2978b1;
/* rgb */ color: rgb(41, 120, 177);
/* oklch */ color: oklch(55.2% 0.116 244.4);

Tailwind

colors: {
  custom: {
    50: '#779ec8',
    500: '#2978b1',
    950: '#000000',
  },
}

SCSS

$custom: #2978b1;
$custom-light: #779ec8;
$custom-dark: #000000;

JSON

{
  "hex": "#2978b1",
  "rgb": {
    "r": 41,
    "g": 120,
    "b": 177
  },
  "hsl": {
    "h": 205.147,
    "s": 62.385,
    "l": 42.745
  },
  "oklch": {
    "l": 0.55237,
    "c": 0.11632,
    "h": 244.4
  },
  "luminance": 0.17079
}

Semantic roles & 50–950 ramp

primary

#2978B1

secondary

#C7946F

accent

#8742E5

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #2978B1

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

Preview Lab → · Contrast checker → · Palette generator →