#2F78B3#2F78B3

#2F78B3 is a mid, moderate cyan. Relative luminance 0.173; OKLCH L 55.5% C 0.117 H 246.5°. Best body text is #FFFFFF at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#2F78B3
RGB	rgb(47, 120, 179)
HSL	hsl(207, 58%, 44%)
HSV	hsv(207, 74%, 70%)
CMYK	cmyk(73.7%, 33%, 0%, 29.8%)
CIE-LAB	lab(48.62, -2.34, -37.70)
CIE-LCH	lch(48.62, 37.77, 266.44°)
OKLab	oklab(55.53% -0.0464 -0.1069)
OKLCH	oklch(55.53% 0.117 246.5)
XYZ	xyz(16.0223, 17.2901, 45.1320)
Luminance	0.1729 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F78B3 #B36A2F

analogous

#2FB3AC #2F78B3 #2F36B3

triadic

#2F78B3 #B32F78 #78B32F

tetradic

#2F78B3 #AC2FB3 #B36A2F #36B32F

square

#2F78B3 #AC2FB3 #B36A2F #36B32F

split-complementary

#2F78B3 #B32F36 #B3AC2F

monochromatic

#163752 #225883 #2F78B3 #4F97D1 #7FB3DD

Accessibility & contrast

On white

4.71

#2F78B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.46

#2F78B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F78B3

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F78B3	#FFFFFF	#000000	##FFFFFF
##2F78B3	1.00	4.71	4.46	4.71
#FFFFFF	4.71	1.00	21.00	1.00
#000000	4.46	21.00	1.00	21.00
##FFFFFF	4.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D7AB6

Deuteranopia (green-blind)

#4A6EB2

Tritanopia (blue-blind)

#00868D

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #2f78b3;
/* rgb */ color: rgb(47, 120, 179);
/* oklch */ color: oklch(55.5% 0.117 246.5);

Tailwind

colors: {
  custom: {
    50: '#799eca',
    500: '#2f78b3',
    950: '#000000',
  },
}

SCSS

$custom: #2f78b3;
$custom-light: #799eca;
$custom-dark: #000000;

JSON

{
  "hex": "#2f78b3",
  "rgb": {
    "r": 47,
    "g": 120,
    "b": 179
  },
  "hsl": {
    "h": 206.818,
    "s": 58.407,
    "l": 44.314
  },
  "oklch": {
    "l": 0.55528,
    "c": 0.11658,
    "h": 246.5
  },
  "luminance": 0.17292
}

Semantic roles & 50–950 ramp

primary

#2F78B3

secondary

#C69B78

accent

#8C46E2

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #2F78B3

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

Preview Lab → · Contrast checker → · Palette generator →