#2F3D75#2F3D75

#2F3D75 is a dark, moderate blue. Relative luminance 0.052; OKLCH L 37.9% C 0.097 H 270.6°. Best body text is #FFFFFF at 10.27:1 contrast (WCAG AA passes).

Color values

HEX	#2F3D75
RGB	rgb(47, 61, 117)
HSL	hsl(228, 43%, 32%)
HSV	hsv(228, 60%, 46%)
CMYK	cmyk(59.8%, 47.9%, 0%, 54.1%)
CIE-LAB	lab(27.37, 12.71, -34.00)
CIE-LCH	lch(27.37, 36.30, 290.50°)
OKLab	oklab(37.85% 0.0011 -0.0969)
OKLCH	oklch(37.85% 0.097 270.6)
XYZ	xyz(6.0509, 5.2257, 17.5160)
Luminance	0.0523 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3D75 #75672F

analogous

#2F6075 #2F3D75 #442F75

triadic

#2F3D75 #752F3D #3D752F

tetradic

#2F3D75 #752F60 #75672F #2F7544

square

#2F3D75 #752F60 #75672F #2F7544

split-complementary

#2F3D75 #75442F #60752F

monochromatic

#0C0F1E #1D2649 #2F3D75 #4154A1 #5F73BF

Accessibility & contrast

On white

10.27

#2F3D75 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#2F3D75 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3D75

10.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3D75	#FFFFFF	#000000	##FFFFFF
##2F3D75	1.00	10.27	2.05	10.27
#FFFFFF	10.27	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#234477

Deuteranopia (green-blind)

#1A3E74

Tritanopia (blue-blind)

#014953

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2f3d75;
/* rgb */ color: rgb(47, 61, 117);
/* oklch */ color: oklch(37.9% 0.097 270.6);

Tailwind

colors: {
  custom: {
    50: '#6e729d',
    500: '#2f3d75',
    950: '#000000',
  },
}

SCSS

$custom: #2f3d75;
$custom-light: #6e729d;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3d75",
  "rgb": {
    "r": 47,
    "g": 61,
    "b": 117
  },
  "hsl": {
    "h": 228,
    "s": 42.683,
    "l": 32.157
  },
  "oklch": {
    "l": 0.37853,
    "c": 0.09693,
    "h": 270.6
  },
  "luminance": 0.05226
}

Semantic roles & 50–950 ramp

primary

#2F3D75

secondary

#A6975A

accent

#B955D2

background

#F6F6F9

surface

#ECECF2

border

#C7C7CC

text

#08070E

muted

#7B7A7E

Preview Lab

Preview with #2F3D75

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

Preview Lab → · Contrast checker → · Palette generator →