#2F437E#2F437E

#2F437E is a dark, moderate blue. Relative luminance 0.061; OKLCH L 39.8% C 0.102 H 267.5°. Best body text is #FFFFFF at 9.44:1 contrast (WCAG AA passes).

Color values

HEX	#2F437E
RGB	rgb(47, 67, 126)
HSL	hsl(225, 46%, 34%)
HSV	hsv(225, 63%, 49%)
CMYK	cmyk(62.7%, 46.8%, 0%, 50.6%)
CIE-LAB	lab(29.72, 11.94, -35.89)
CIE-LCH	lch(29.72, 37.82, 288.40°)
OKLab	oklab(39.84% -0.0044 -0.1024)
OKLCH	oklch(39.84% 0.102 267.5)
XYZ	xyz(6.9441, 6.1244, 20.5508)
Luminance	0.0612 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F437E #7E6A2F

analogous

#2F6B7E #2F437E #432F7E

triadic

#2F437E #7E2F43 #437E2F

tetradic

#2F437E #7E2F6B #7E6A2F #2F7E43

square

#2F437E #7E2F6B #7E6A2F #2F7E43

split-complementary

#2F437E #7E432F #6B7E2F

monochromatic

#0E1425 #1E2B51 #2F437E #405BAB #637CC5

Accessibility & contrast

On white

9.44

#2F437E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#2F437E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F437E

9.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F437E	#FFFFFF	#000000	##FFFFFF
##2F437E	1.00	9.44	2.23	9.44
#FFFFFF	9.44	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#274A80

Deuteranopia (green-blind)

#1B437D

Tritanopia (blue-blind)

#00505A

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #2f437e;
/* rgb */ color: rgb(47, 67, 126);
/* oklch */ color: oklch(39.8% 0.102 267.5);

Tailwind

colors: {
  custom: {
    50: '#6f76a4',
    500: '#2f437e',
    950: '#000000',
  },
}

SCSS

$custom: #2f437e;
$custom-light: #6f76a4;
$custom-dark: #000000;

JSON

{
  "hex": "#2f437e",
  "rgb": {
    "r": 47,
    "g": 67,
    "b": 126
  },
  "hsl": {
    "h": 224.81,
    "s": 45.665,
    "l": 33.922
  },
  "oklch": {
    "l": 0.39842,
    "c": 0.10248,
    "h": 267.5
  },
  "luminance": 0.06125
}

Semantic roles & 50–950 ramp

primary

#2F437E

secondary

#AC985D

accent

#B452D5

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#08080F

muted

#7B7B7F

Preview Lab

Preview with #2F437E

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

Preview Lab → · Contrast checker → · Palette generator →