#2F437A#2F437A

#2F437A is a dark, moderate blue. Relative luminance 0.060; OKLCH L 39.6% C 0.096 H 266.9°. Best body text is #FFFFFF at 9.52:1 contrast (WCAG AA passes).

Color values

HEX#2F437A
RGBrgb(47, 67, 122)
HSLhsl(224, 44%, 33%)
HSVhsv(224, 61%, 48%)
CMYKcmyk(61.5%, 45.1%, 0%, 52.2%)
CIE-LABlab(29.47, 10.46, -33.79)
CIE-LCHlch(29.47, 35.37, 287.20°)
OKLaboklab(39.57% -0.0051 -0.0962)
OKLCHoklch(39.57% 0.096 266.9)
XYZxyz(6.6911, 6.0232, 19.2186)
Luminance0.0602 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2F437A #7A662F
analogous
#2F687A #2F437A #402F7A
triadic
#2F437A #7A2F43 #437A2F
tetradic
#2F437A #7A2F68 #7A662F #2F7A40
square
#2F437A #7A2F68 #7A662F #2F7A40
split-complementary
#2F437A #7A402F #687A2F
monochromatic
#0D1222 #1E2B4E #2F437A #405BA6 #617BC2

Accessibility & contrast

On white

9.52
#2F437A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.20
#2F437A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F437A
9.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2F437A#FFFFFF#000000##FFFFFF
##2F437A1.009.522.209.52
#FFFFFF9.521.0021.001.00
#0000002.2021.001.0021.00
##FFFFFF9.521.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2A497C
Deuteranopia (green-blind)
#204279
Tritanopia (blue-blind)
#004F58
Achromatopsia (no color)
#454545

Design tokens & code

CSS
--color: #2f437a;
/* rgb */ color: rgb(47, 67, 122);
/* oklch */ color: oklch(39.6% 0.096 266.9);
Tailwind
colors: {
  custom: {
    50: '#6f76a1',
    500: '#2f437a',
    950: '#000000',
  },
}
SCSS
$custom: #2f437a;
$custom-light: #6f76a1;
$custom-dark: #000000;
JSON
{
  "hex": "#2f437a",
  "rgb": {
    "r": 47,
    "g": 67,
    "b": 122
  },
  "hsl": {
    "h": 224,
    "s": 44.379,
    "l": 33.137
  },
  "oklch": {
    "l": 0.39566,
    "c": 0.09637,
    "h": 266.9
  },
  "luminance": 0.06024
}

Semantic roles & 50–950 ramp

primary
#2F437A
secondary
#A9945C
accent
#B254D4
background
#F6F7F9
surface
#ECEDF2
border
#C7C8CC
text
#08080F
muted
#7B7B7E

Preview Lab

Preview with #2F437A

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

Preview Lab → · Contrast checker → · Palette generator →

#2F437A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva