#2F77B3#2F77B3

#2F77B3 is a mid, moderate cyan. Relative luminance 0.171; OKLCH L 55.3% C 0.117 H 247.3°. Best body text is #FFFFFF at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#2F77B3
RGB	rgb(47, 119, 179)
HSL	hsl(207, 58%, 44%)
HSV	hsv(207, 74%, 70%)
CMYK	cmyk(73.7%, 33.5%, 0%, 29.8%)
CIE-LAB	lab(48.32, -1.74, -38.17)
CIE-LCH	lch(48.32, 38.21, 267.39°)
OKLab	oklab(55.29% -0.0454 -0.1083)
OKLCH	oklch(55.29% 0.117 247.3)
XYZ	xyz(15.9027, 17.0509, 45.0921)
Luminance	0.1705 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F77B3 #B36B2F

analogous

#2FB3AD #2F77B3 #2F35B3

triadic

#2F77B3 #B32F77 #77B32F

tetradic

#2F77B3 #AD2FB3 #B36B2F #35B32F

square

#2F77B3 #AD2FB3 #B36B2F #35B32F

split-complementary

#2F77B3 #B32F35 #B3AD2F

monochromatic

#163752 #225783 #2F77B3 #4F96D1 #7FB2DD

Accessibility & contrast

On white

4.76

#2F77B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.41

#2F77B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F77B3

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F77B3	#FFFFFF	#000000	##FFFFFF
##2F77B3	1.00	4.76	4.41	4.76
#FFFFFF	4.76	1.00	21.00	1.00
#000000	4.41	21.00	1.00	21.00
##FFFFFF	4.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C7AB6

Deuteranopia (green-blind)

#496DB2

Tritanopia (blue-blind)

#00858D

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #2f77b3;
/* rgb */ color: rgb(47, 119, 179);
/* oklch */ color: oklch(55.3% 0.117 247.3);

Tailwind

colors: {
  custom: {
    50: '#799dca',
    500: '#2f77b3',
    950: '#000000',
  },
}

SCSS

$custom: #2f77b3;
$custom-light: #799dca;
$custom-dark: #000000;

JSON

{
  "hex": "#2f77b3",
  "rgb": {
    "r": 47,
    "g": 119,
    "b": 179
  },
  "hsl": {
    "h": 207.273,
    "s": 58.407,
    "l": 44.314
  },
  "oklch": {
    "l": 0.55292,
    "c": 0.11748,
    "h": 247.3
  },
  "luminance": 0.17053
}

Semantic roles & 50–950 ramp

primary

#2F77B3

secondary

#C69B78

accent

#8D46E2

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #2F77B3

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

Preview Lab → · Contrast checker → · Palette generator →