#2F457F#2F457F

#2F457F is a dark, moderate blue. Relative luminance 0.064; OKLCH L 40.4% C 0.101 H 266.3°. Best body text is #FFFFFF at 9.22:1 contrast (WCAG AA passes).

Color values

HEX	#2F457F
RGB	rgb(47, 69, 127)
HSL	hsl(224, 46%, 34%)
HSV	hsv(224, 63%, 50%)
CMYK	cmyk(63%, 45.7%, 0%, 50.2%)
CIE-LAB	lab(30.38, 10.95, -35.46)
CIE-LCH	lch(30.38, 37.11, 287.16°)
OKLab	oklab(40.37% -0.0065 -0.1011)
OKLCH	oklch(40.37% 0.101 266.3)
XYZ	xyz(7.1299, 6.3923, 20.9327)
Luminance	0.0639 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F457F #7F692F

analogous

#2F6D7F #2F457F #412F7F

triadic

#2F457F #7F2F45 #457F2F

tetradic

#2F457F #7F2F6D #7F692F #2F7F41

square

#2F457F #7F2F6D #7F692F #2F7F41

split-complementary

#2F457F #7F412F #6D7F2F

monochromatic

#0E1426 #1E2D52 #2F457F #405DAC #637EC5

Accessibility & contrast

On white

9.22

#2F457F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#2F457F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F457F

9.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F457F	#FFFFFF	#000000	##FFFFFF
##2F457F	1.00	9.22	2.28	9.22
#FFFFFF	9.22	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A4B81

Deuteranopia (green-blind)

#1E447E

Tritanopia (blue-blind)

#00525B

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #2f457f;
/* rgb */ color: rgb(47, 69, 127);
/* oklch */ color: oklch(40.4% 0.101 266.3);

Tailwind

colors: {
  custom: {
    50: '#6f78a4',
    500: '#2f457f',
    950: '#000000',
  },
}

SCSS

$custom: #2f457f;
$custom-light: #6f78a4;
$custom-dark: #000000;

JSON

{
  "hex": "#2f457f",
  "rgb": {
    "r": 47,
    "g": 69,
    "b": 127
  },
  "hsl": {
    "h": 223.5,
    "s": 45.977,
    "l": 34.118
  },
  "oklch": {
    "l": 0.40366,
    "c": 0.10132,
    "h": 266.3
  },
  "luminance": 0.06393
}

Semantic roles & 50–950 ramp

primary

#2F457F

secondary

#AC975E

accent

#B152D6

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#08080F

muted

#7B7B7F

Preview Lab

Preview with #2F457F

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

Preview Lab → · Contrast checker → · Palette generator →