#2F78B5#2F78B5

#2F78B5 is a mid, moderate cyan. Relative luminance 0.174; OKLCH L 55.6% C 0.119 H 247.4°. Best body text is #FFFFFF at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#2F78B5
RGB	rgb(47, 120, 181)
HSL	hsl(207, 59%, 45%)
HSV	hsv(207, 74%, 71%)
CMYK	cmyk(74%, 33.7%, 0%, 29%)
CIE-LAB	lab(48.72, -1.61, -38.70)
CIE-LCH	lch(48.72, 38.73, 267.61°)
OKLab	oklab(55.64% -0.0458 -0.1099)
OKLCH	oklch(55.64% 0.119 247.4)
XYZ	xyz(16.2261, 17.3716, 46.2050)
Luminance	0.1737 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F78B5 #B56C2F

analogous

#2FB5AF #2F78B5 #2F35B5

triadic

#2F78B5 #B52F78 #78B52F

tetradic

#2F78B5 #AF2FB5 #B56C2F #35B52F

square

#2F78B5 #AF2FB5 #B56C2F #35B52F

split-complementary

#2F78B5 #B52F35 #B5AF2F

monochromatic

#163854 #225884 #2F78B5 #5096D1 #80B3DE

Accessibility & contrast

On white

4.69

#2F78B5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.47

#2F78B5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F78B5

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F78B5	#FFFFFF	#000000	##FFFFFF
##2F78B5	1.00	4.69	4.47	4.69
#FFFFFF	4.69	1.00	21.00	1.00
#000000	4.47	21.00	1.00	21.00
##FFFFFF	4.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C7BB8

Deuteranopia (green-blind)

#496EB4

Tritanopia (blue-blind)

#00878E

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #2f78b5;
/* rgb */ color: rgb(47, 120, 181);
/* oklch */ color: oklch(55.6% 0.119 247.4);

Tailwind

colors: {
  custom: {
    50: '#799ecb',
    500: '#2f78b5',
    950: '#000000',
  },
}

SCSS

$custom: #2f78b5;
$custom-light: #799ecb;
$custom-dark: #000000;

JSON

{
  "hex": "#2f78b5",
  "rgb": {
    "r": 47,
    "g": 120,
    "b": 181
  },
  "hsl": {
    "h": 207.313,
    "s": 58.772,
    "l": 44.706
  },
  "oklch": {
    "l": 0.55641,
    "c": 0.11903,
    "h": 247.4
  },
  "luminance": 0.17373
}

Semantic roles & 50–950 ramp

primary

#2F78B5

secondary

#C79C79

accent

#8D46E2

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #2F78B5

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

Preview Lab → · Contrast checker → · Palette generator →