#2F3D8F#2F3D8F

#2F3D8F is a dark, vivid blue. Relative luminance 0.059; OKLCH L 39.8% C 0.136 H 271.5°. Best body text is #FFFFFF at 9.61:1 contrast (WCAG AA passes).

Color values

HEX	#2F3D8F
RGB	rgb(47, 61, 143)
HSL	hsl(231, 51%, 37%)
HSV	hsv(231, 67%, 56%)
CMYK	cmyk(67.1%, 57.3%, 0%, 43.9%)
CIE-LAB	lab(29.22, 22.34, -47.24)
CIE-LCH	lch(29.22, 52.25, 295.31°)
OKLab	oklab(39.84% 0.0036 -0.1358)
OKLCH	oklch(39.84% 0.136 271.5)
XYZ	xyz(7.7973, 5.9243, 26.7139)
Luminance	0.0592 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3D8F #8F812F

analogous

#2F6D8F #2F3D8F #512F8F

triadic

#2F3D8F #8F2F3D #3D8F2F

tetradic

#2F3D8F #8F2F6D #8F812F #2F8F51

square

#2F3D8F #8F2F6D #8F812F #2F8F51

split-complementary

#2F3D8F #8F512F #6D8F2F

monochromatic

#111633 #202961 #2F3D8F #3E51BD #6A79CE

Accessibility & contrast

On white

9.61

#2F3D8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#2F3D8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3D8F

9.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3D8F	#FFFFFF	#000000	##FFFFFF
##2F3D8F	1.00	9.61	2.19	9.61
#FFFFFF	9.61	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004992

Deuteranopia (green-blind)

#00418D

Tritanopia (blue-blind)

#005160

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #2f3d8f;
/* rgb */ color: rgb(47, 61, 143);
/* oklch */ color: oklch(39.8% 0.136 271.5);

Tailwind

colors: {
  custom: {
    50: '#7372b0',
    500: '#2f3d8f',
    950: '#000000',
  },
}

SCSS

$custom: #2f3d8f;
$custom-light: #7372b0;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3d8f",
  "rgb": {
    "r": 47,
    "g": 61,
    "b": 143
  },
  "hsl": {
    "h": 231.25,
    "s": 50.526,
    "l": 37.255
  },
  "oklch": {
    "l": 0.39844,
    "c": 0.1359,
    "h": 271.5
  },
  "luminance": 0.05925
}

Semantic roles & 50–950 ramp

primary

#2F3D8F

secondary

#B5A965

accent

#C64EDA

background

#F7F6FA

surface

#EDECF5

border

#C8C7CF

text

#090711

muted

#7B7A80

Preview Lab

Preview with #2F3D8F

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

Preview Lab → · Contrast checker → · Palette generator →