#2F347D#2F347D

#2F347D is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.5% C 0.122 H 275.6°. Best body text is #FFFFFF at 11.01:1 contrast (WCAG AA passes).

Color values

HEX	#2F347D
RGB	rgb(47, 52, 125)
HSL	hsl(236, 45%, 34%)
HSV	hsv(236, 62%, 49%)
CMYK	cmyk(62.4%, 58.4%, 0%, 51%)
CIE-LAB	lab(25.38, 21.82, -42.25)
CIE-LCH	lch(25.38, 47.55, 297.31°)
OKLab	oklab(36.54% 0.0119 -0.1213)
OKLCH	oklch(36.54% 0.122 275.6)
XYZ	xyz(6.1007, 4.5405, 19.9530)
Luminance	0.0454 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F347D #7D782F

analogous

#2F5B7D #2F347D #512F7D

triadic

#2F347D #7D2F34 #347D2F

tetradic

#2F347D #7D2F5B #7D782F #2F7D51

square

#2F347D #7D2F5B #7D782F #2F7D51

split-complementary

#2F347D #7D512F #5B7D2F

monochromatic

#0E0F24 #1E2151 #2F347D #4047A9 #6269C4

Accessibility & contrast

On white

11.01

#2F347D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#2F347D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F347D

11.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F347D	#FFFFFF	#000000	##FFFFFF
##2F347D	1.00	11.01	1.91	11.01
#FFFFFF	11.01	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	11.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00407F

Deuteranopia (green-blind)

#00397C

Tritanopia (blue-blind)

#004553

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #2f347d;
/* rgb */ color: rgb(47, 52, 125);
/* oklch */ color: oklch(36.5% 0.122 275.6);

Tailwind

colors: {
  custom: {
    50: '#706ba3',
    500: '#2f347d',
    950: '#000000',
  },
}

SCSS

$custom: #2f347d;
$custom-light: #706ba3;
$custom-dark: #000000;

JSON

{
  "hex": "#2f347d",
  "rgb": {
    "r": 47,
    "g": 52,
    "b": 125
  },
  "hsl": {
    "h": 236.154,
    "s": 45.349,
    "l": 33.725
  },
  "oklch": {
    "l": 0.36538,
    "c": 0.12187,
    "h": 275.6
  },
  "luminance": 0.04541
}

Semantic roles & 50–950 ramp

primary

#2F347D

secondary

#ABA65D

accent

#CD53D5

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#08060F

muted

#7B7A7F

Preview Lab

Preview with #2F347D

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

Preview Lab → · Contrast checker → · Palette generator →