#2F347F#2F347F

#2F347F is a dark, vivid blue. Relative luminance 0.046; OKLCH L 36.7% C 0.125 H 275.5°. Best body text is #FFFFFF at 10.95:1 contrast (WCAG AA passes).

Color values

HEX	#2F347F
RGB	rgb(47, 52, 127)
HSL	hsl(236, 46%, 34%)
HSV	hsv(236, 63%, 50%)
CMYK	cmyk(63%, 59.1%, 0%, 50.2%)
CIE-LAB	lab(25.54, 22.55, -43.26)
CIE-LCH	lch(25.54, 48.78, 297.53°)
OKLab	oklab(36.7% 0.012 -0.1242)
OKLCH	oklch(36.7% 0.125 275.5)
XYZ	xyz(6.2298, 4.5921, 20.6326)
Luminance	0.0459 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F347F #7F7A2F

analogous

#2F5C7F #2F347F #522F7F

triadic

#2F347F #7F2F34 #347F2F

tetradic

#2F347F #7F2F5C #7F7A2F #2F7F52

square

#2F347F #7F2F5C #7F7A2F #2F7F52

split-complementary

#2F347F #7F522F #5C7F2F

monochromatic

#0E0F26 #1E2252 #2F347F #4046AC #6369C5

Accessibility & contrast

On white

10.95

#2F347F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#2F347F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F347F

10.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F347F	#FFFFFF	#000000	##FFFFFF
##2F347F	1.00	10.95	1.92	10.95
#FFFFFF	10.95	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004082

Deuteranopia (green-blind)

#00397D

Tritanopia (blue-blind)

#004654

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #2f347f;
/* rgb */ color: rgb(47, 52, 127);
/* oklch */ color: oklch(36.7% 0.125 275.5);

Tailwind

colors: {
  custom: {
    50: '#706ba5',
    500: '#2f347f',
    950: '#000000',
  },
}

SCSS

$custom: #2f347f;
$custom-light: #706ba5;
$custom-dark: #000000;

JSON

{
  "hex": "#2f347f",
  "rgb": {
    "r": 47,
    "g": 52,
    "b": 127
  },
  "hsl": {
    "h": 236.25,
    "s": 45.977,
    "l": 34.118
  },
  "oklch": {
    "l": 0.36704,
    "c": 0.12482,
    "h": 275.5
  },
  "luminance": 0.04593
}

Semantic roles & 50–950 ramp

primary

#2F347F

secondary

#ACA75E

accent

#CD52D6

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#08060F

muted

#7B7A7F

Preview Lab

Preview with #2F347F

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

Preview Lab → · Contrast checker → · Palette generator →