#2F437F#2F437F

#2F437F is a dark, moderate blue. Relative luminance 0.062; OKLCH L 39.9% C 0.104 H 267.7°. Best body text is #FFFFFF at 9.42:1 contrast (WCAG AA passes).

Color values

HEX	#2F437F
RGB	rgb(47, 67, 127)
HSL	hsl(225, 46%, 34%)
HSV	hsv(225, 63%, 50%)
CMYK	cmyk(63%, 47.2%, 0%, 50.2%)
CIE-LAB	lab(29.79, 12.31, -36.41)
CIE-LCH	lch(29.79, 38.43, 288.68°)
OKLab	oklab(39.91% -0.0042 -0.1039)
OKLCH	oklch(39.91% 0.104 267.7)
XYZ	xyz(7.0089, 6.1504, 20.8923)
Luminance	0.0615 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F437F #7F6B2F

analogous

#2F6B7F #2F437F #432F7F

triadic

#2F437F #7F2F43 #437F2F

tetradic

#2F437F #7F2F6B #7F6B2F #2F7F43

square

#2F437F #7F2F6B #7F6B2F #2F7F43

split-complementary

#2F437F #7F432F #6B7F2F

monochromatic

#0E1426 #1E2B52 #2F437F #405BAC #637CC5

Accessibility & contrast

On white

9.42

#2F437F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#2F437F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F437F

9.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F437F	#FFFFFF	#000000	##FFFFFF
##2F437F	1.00	9.42	2.23	9.42
#FFFFFF	9.42	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#274A81

Deuteranopia (green-blind)

#1A437E

Tritanopia (blue-blind)

#00515B

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #2f437f;
/* rgb */ color: rgb(47, 67, 127);
/* oklch */ color: oklch(39.9% 0.104 267.7);

Tailwind

colors: {
  custom: {
    50: '#7076a4',
    500: '#2f437f',
    950: '#000000',
  },
}

SCSS

$custom: #2f437f;
$custom-light: #7076a4;
$custom-dark: #000000;

JSON

{
  "hex": "#2f437f",
  "rgb": {
    "r": 47,
    "g": 67,
    "b": 127
  },
  "hsl": {
    "h": 225,
    "s": 45.977,
    "l": 34.118
  },
  "oklch": {
    "l": 0.39912,
    "c": 0.10401,
    "h": 267.7
  },
  "luminance": 0.06151
}

Semantic roles & 50–950 ramp

primary

#2F437F

secondary

#AC995E

accent

#B552D6

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#08080F

muted

#7B7B7F

Preview Lab

Preview with #2F437F

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

Preview Lab → · Contrast checker → · Palette generator →