#2F78B6#2F78B6

#2F78B6 is a mid, vivid cyan. Relative luminance 0.174; OKLCH L 55.7% C 0.120 H 247.8°. Best body text is #FFFFFF at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#2F78B6
RGB	rgb(47, 120, 182)
HSL	hsl(208, 59%, 45%)
HSV	hsv(208, 74%, 71%)
CMYK	cmyk(74.2%, 34.1%, 0%, 28.6%)
CIE-LAB	lab(48.78, -1.25, -39.20)
CIE-LCH	lch(48.78, 39.22, 268.17°)
OKLab	oklab(55.7% -0.0455 -0.1113)
OKLCH	oklch(55.7% 0.12 247.8)
XYZ	xyz(16.3290, 17.4128, 46.7473)
Luminance	0.1741 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F78B6 #B66D2F

analogous

#2FB6B1 #2F78B6 #2F34B6

triadic

#2F78B6 #B62F78 #78B62F

tetradic

#2F78B6 #B12FB6 #B66D2F #34B62F

square

#2F78B6 #B12FB6 #B66D2F #34B62F

split-complementary

#2F78B6 #B62F34 #B6B12F

monochromatic

#163855 #225885 #2F78B6 #5096D2 #81B4DE

Accessibility & contrast

On white

4.68

#2F78B6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.48

#2F78B6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F78B6

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F78B6	#FFFFFF	#000000	##FFFFFF
##2F78B6	1.00	4.68	4.48	4.68
#FFFFFF	4.68	1.00	21.00	1.00
#000000	4.48	21.00	1.00	21.00
##FFFFFF	4.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C7BB9

Deuteranopia (green-blind)

#486EB5

Tritanopia (blue-blind)

#00878E

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #2f78b6;
/* rgb */ color: rgb(47, 120, 182);
/* oklch */ color: oklch(55.7% 0.120 247.8);

Tailwind

colors: {
  custom: {
    50: '#799ecc',
    500: '#2f78b6',
    950: '#000000',
  },
}

SCSS

$custom: #2f78b6;
$custom-light: #799ecc;
$custom-dark: #000000;

JSON

{
  "hex": "#2f78b6",
  "rgb": {
    "r": 47,
    "g": 120,
    "b": 182
  },
  "hsl": {
    "h": 207.556,
    "s": 58.952,
    "l": 44.902
  },
  "oklch": {
    "l": 0.55697,
    "c": 0.12026,
    "h": 247.8
  },
  "luminance": 0.17415
}

Semantic roles & 50–950 ramp

primary

#2F78B6

secondary

#C79D79

accent

#8E46E2

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #2F78B6

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

Preview Lab → · Contrast checker → · Palette generator →