#2F337F#2F337F

#2F337F is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.5% C 0.126 H 275.9°. Best body text is #FFFFFF at 11.05:1 contrast (WCAG AA passes).

Color values

HEX	#2F337F
RGB	rgb(47, 51, 127)
HSL	hsl(237, 46%, 34%)
HSV	hsv(237, 63%, 50%)
CMYK	cmyk(63%, 59.8%, 0%, 50.2%)
CIE-LAB	lab(25.27, 23.22, -43.69)
CIE-LCH	lch(25.27, 49.48, 297.99°)
OKLab	oklab(36.5% 0.013 -0.1255)
OKLCH	oklch(36.5% 0.126 275.9)
XYZ	xyz(6.1856, 4.5038, 20.6179)
Luminance	0.0450 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F337F #7F7B2F

analogous

#2F5B7F #2F337F #532F7F

triadic

#2F337F #7F2F33 #337F2F

tetradic

#2F337F #7F2F5B #7F7B2F #2F7F53

square

#2F337F #7F2F5B #7F7B2F #2F7F53

split-complementary

#2F337F #7F532F #5B7F2F

monochromatic

#0E0F26 #1E2152 #2F337F #4045AC #6368C5

Accessibility & contrast

On white

11.05

#2F337F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#2F337F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F337F

11.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F337F	#FFFFFF	#000000	##FFFFFF
##2F337F	1.00	11.05	1.90	11.05
#FFFFFF	11.05	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F82

Deuteranopia (green-blind)

#00397D

Tritanopia (blue-blind)

#004553

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #2f337f;
/* rgb */ color: rgb(47, 51, 127);
/* oklch */ color: oklch(36.5% 0.126 275.9);

Tailwind

colors: {
  custom: {
    50: '#716aa5',
    500: '#2f337f',
    950: '#000000',
  },
}

SCSS

$custom: #2f337f;
$custom-light: #716aa5;
$custom-dark: #000000;

JSON

{
  "hex": "#2f337f",
  "rgb": {
    "r": 47,
    "g": 51,
    "b": 127
  },
  "hsl": {
    "h": 237,
    "s": 45.977,
    "l": 34.118
  },
  "oklch": {
    "l": 0.36505,
    "c": 0.1262,
    "h": 275.9
  },
  "luminance": 0.04504
}

Semantic roles & 50–950 ramp

primary

#2F337F

secondary

#ACA85E

accent

#CF52D6

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#08060F

muted

#7B7A7F

Preview Lab

Preview with #2F337F

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

Preview Lab → · Contrast checker → · Palette generator →