#2F78B8#2F78B8

#2F78B8 is a mid, vivid cyan. Relative luminance 0.175; OKLCH L 55.8% C 0.123 H 248.5°. Best body text is #FFFFFF at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#2F78B8
RGB	rgb(47, 120, 184)
HSL	hsl(208, 59%, 45%)
HSV	hsv(208, 74%, 72%)
CMYK	cmyk(74.5%, 34.8%, 0%, 27.8%)
CIE-LAB	lab(48.88, -0.52, -40.19)
CIE-LCH	lch(48.88, 40.19, 269.26°)
OKLab	oklab(55.81% -0.045 -0.1142)
OKLCH	oklch(55.81% 0.123 248.5)
XYZ	xyz(16.5372, 17.4961, 47.8436)
Luminance	0.1750 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F78B8 #B86F2F

analogous

#2FB8B3 #2F78B8 #2F34B8

triadic

#2F78B8 #B82F78 #78B82F

tetradic

#2F78B8 #B32FB8 #B86F2F #34B82F

square

#2F78B8 #B32FB8 #B86F2F #34B82F

split-complementary

#2F78B8 #B82F34 #B8B32F

monochromatic

#163857 #235887 #2F78B8 #5296D3 #82B4DF

Accessibility & contrast

On white

4.67

#2F78B8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.50

#2F78B8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #2F78B8

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F78B8	#FFFFFF	#000000	##FFFFFF
##2F78B8	1.00	4.67	4.50	4.67
#FFFFFF	4.67	1.00	21.00	1.00
#000000	4.50	21.00	1.00	21.00
##FFFFFF	4.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B7BBB

Deuteranopia (green-blind)

#476EB7

Tritanopia (blue-blind)

#00878F

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #2f78b8;
/* rgb */ color: rgb(47, 120, 184);
/* oklch */ color: oklch(55.8% 0.123 248.5);

Tailwind

colors: {
  custom: {
    50: '#7a9ecd',
    500: '#2f78b8',
    950: '#000000',
  },
}

SCSS

$custom: #2f78b8;
$custom-light: #7a9ecd;
$custom-dark: #000000;

JSON

{
  "hex": "#2f78b8",
  "rgb": {
    "r": 47,
    "g": 120,
    "b": 184
  },
  "hsl": {
    "h": 208.029,
    "s": 59.307,
    "l": 45.294
  },
  "oklch": {
    "l": 0.55812,
    "c": 0.12274,
    "h": 248.5
  },
  "luminance": 0.17498
}

Semantic roles & 50–950 ramp

primary

#2F78B8

secondary

#C89F7B

accent

#8F45E2

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #2F78B8

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

Preview Lab → · Contrast checker → · Palette generator →