#2F77B8#2F77B8

#2F77B8 is a mid, vivid cyan. Relative luminance 0.173; OKLCH L 55.6% C 0.124 H 249.2°. Best body text is #FFFFFF at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#2F77B8
RGB	rgb(47, 119, 184)
HSL	hsl(208, 59%, 45%)
HSV	hsv(208, 74%, 72%)
CMYK	cmyk(74.5%, 35.3%, 0%, 27.8%)
CIE-LAB	lab(48.58, 0.09, -40.66)
CIE-LCH	lch(48.58, 40.66, 270.12°)
OKLab	oklab(55.58% -0.044 -0.1156)
OKLCH	oklch(55.58% 0.124 249.2)
XYZ	xyz(16.4176, 17.2568, 47.8037)
Luminance	0.1726 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F77B8 #B8702F

analogous

#2FB8B4 #2F77B8 #2F33B8

triadic

#2F77B8 #B82F77 #77B82F

tetradic

#2F77B8 #B42FB8 #B8702F #33B82F

square

#2F77B8 #B42FB8 #B8702F #33B82F

split-complementary

#2F77B8 #B82F33 #B8B42F

monochromatic

#163857 #235787 #2F77B8 #5295D3 #82B3DF

Accessibility & contrast

On white

4.72

#2F77B8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.45

#2F77B8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F77B8

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F77B8	#FFFFFF	#000000	##FFFFFF
##2F77B8	1.00	4.72	4.45	4.72
#FFFFFF	4.72	1.00	21.00	1.00
#000000	4.45	21.00	1.00	21.00
##FFFFFF	4.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#597ABB

Deuteranopia (green-blind)

#456EB7

Tritanopia (blue-blind)

#00868F

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #2f77b8;
/* rgb */ color: rgb(47, 119, 184);
/* oklch */ color: oklch(55.6% 0.124 249.2);

Tailwind

colors: {
  custom: {
    50: '#7a9dcd',
    500: '#2f77b8',
    950: '#000000',
  },
}

SCSS

$custom: #2f77b8;
$custom-light: #7a9dcd;
$custom-dark: #000000;

JSON

{
  "hex": "#2f77b8",
  "rgb": {
    "r": 47,
    "g": 119,
    "b": 184
  },
  "hsl": {
    "h": 208.467,
    "s": 59.307,
    "l": 45.294
  },
  "oklch": {
    "l": 0.55579,
    "c": 0.1237,
    "h": 249.2
  },
  "luminance": 0.17259
}

Semantic roles & 50–950 ramp

primary

#2F77B8

secondary

#C89F7B

accent

#9045E2

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #2F77B8

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

Preview Lab → · Contrast checker → · Palette generator →