#2F78B9#2F78B9

#2F78B9 is a mid, vivid cyan. Relative luminance 0.175; OKLCH L 55.9% C 0.124 H 248.9°. Best body text is #FFFFFF at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#2F78B9
RGB	rgb(47, 120, 185)
HSL	hsl(208, 59%, 45%)
HSV	hsv(208, 75%, 73%)
CMYK	cmyk(74.6%, 35.1%, 0%, 27.5%)
CIE-LAB	lab(48.93, -0.15, -40.68)
CIE-LCH	lch(48.93, 40.68, 269.79°)
OKLab	oklab(55.87% -0.0447 -0.1157)
OKLCH	oklch(55.87% 0.124 248.9)
XYZ	xyz(16.6424, 17.5382, 48.3976)
Luminance	0.1754 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F78B9 #B9702F

analogous

#2FB9B5 #2F78B9 #2F33B9

triadic

#2F78B9 #B92F78 #78B92F

tetradic

#2F78B9 #B52FB9 #B9702F #33B92F

square

#2F78B9 #B52FB9 #B9702F #33B92F

split-complementary

#2F78B9 #B92F33 #B9B52F

monochromatic

#163957 #235888 #2F78B9 #5296D3 #83B4DF

Accessibility & contrast

On white

4.66

#2F78B9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.51

#2F78B9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #2F78B9

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F78B9	#FFFFFF	#000000	##FFFFFF
##2F78B9	1.00	4.66	4.51	4.66
#FFFFFF	4.66	1.00	21.00	1.00
#000000	4.51	21.00	1.00	21.00
##FFFFFF	4.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A7BBC

Deuteranopia (green-blind)

#466EB8

Tritanopia (blue-blind)

#008790

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #2f78b9;
/* rgb */ color: rgb(47, 120, 185);
/* oklch */ color: oklch(55.9% 0.124 248.9);

Tailwind

colors: {
  custom: {
    50: '#7a9ece',
    500: '#2f78b9',
    950: '#000000',
  },
}

SCSS

$custom: #2f78b9;
$custom-light: #7a9ece;
$custom-dark: #000000;

JSON

{
  "hex": "#2f78b9",
  "rgb": {
    "r": 47,
    "g": 120,
    "b": 185
  },
  "hsl": {
    "h": 208.261,
    "s": 59.483,
    "l": 45.49
  },
  "oklch": {
    "l": 0.5587,
    "c": 0.12399,
    "h": 248.9
  },
  "luminance": 0.1754
}

Semantic roles & 50–950 ramp

primary

#2F78B9

secondary

#C9A07B

accent

#8F45E3

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #2F78B9

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

Preview Lab → · Contrast checker → · Palette generator →