#2F437D#2F437D

#2F437D is a dark, moderate blue. Relative luminance 0.061; OKLCH L 39.8% C 0.101 H 267.4°. Best body text is #FFFFFF at 9.46:1 contrast (WCAG AA passes).

Color values

HEX	#2F437D
RGB	rgb(47, 67, 125)
HSL	hsl(225, 45%, 34%)
HSV	hsv(225, 62%, 49%)
CMYK	cmyk(62.4%, 46.4%, 0%, 51%)
CIE-LAB	lab(29.66, 11.57, -35.37)
CIE-LCH	lch(29.66, 37.21, 288.11°)
OKLab	oklab(39.77% -0.0046 -0.1008)
OKLCH	oklch(39.77% 0.101 267.4)
XYZ	xyz(6.8799, 6.0987, 20.2127)
Luminance	0.0610 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F437D #7D692F

analogous

#2F6A7D #2F437D #422F7D

triadic

#2F437D #7D2F43 #437D2F

tetradic

#2F437D #7D2F6A #7D692F #2F7D42

square

#2F437D #7D2F6A #7D692F #2F7D42

split-complementary

#2F437D #7D422F #6A7D2F

monochromatic

#0E1324 #1E2B51 #2F437D #405BA9 #627BC4

Accessibility & contrast

On white

9.46

#2F437D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#2F437D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F437D

9.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F437D	#FFFFFF	#000000	##FFFFFF
##2F437D	1.00	9.46	2.22	9.46
#FFFFFF	9.46	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#284A7F

Deuteranopia (green-blind)

#1D437C

Tritanopia (blue-blind)

#00505A

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #2f437d;
/* rgb */ color: rgb(47, 67, 125);
/* oklch */ color: oklch(39.8% 0.101 267.4);

Tailwind

colors: {
  custom: {
    50: '#6f76a3',
    500: '#2f437d',
    950: '#000000',
  },
}

SCSS

$custom: #2f437d;
$custom-light: #6f76a3;
$custom-dark: #000000;

JSON

{
  "hex": "#2f437d",
  "rgb": {
    "r": 47,
    "g": 67,
    "b": 125
  },
  "hsl": {
    "h": 224.615,
    "s": 45.349,
    "l": 33.725
  },
  "oklch": {
    "l": 0.39772,
    "c": 0.10095,
    "h": 267.4
  },
  "luminance": 0.06099
}

Semantic roles & 50–950 ramp

primary

#2F437D

secondary

#AB975D

accent

#B453D5

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#08080F

muted

#7B7B7F

Preview Lab

Preview with #2F437D

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

Preview Lab → · Contrast checker → · Palette generator →