#2F3D8E#2F3D8E

#2F3D8E is a dark, vivid blue. Relative luminance 0.059; OKLCH L 39.8% C 0.134 H 271.5°. Best body text is #FFFFFF at 9.64:1 contrast (WCAG AA passes).

Color values

HEX	#2F3D8E
RGB	rgb(47, 61, 142)
HSL	hsl(231, 50%, 37%)
HSV	hsv(231, 67%, 56%)
CMYK	cmyk(66.9%, 57%, 0%, 44.3%)
CIE-LAB	lab(29.14, 21.97, -46.75)
CIE-LCH	lch(29.14, 51.65, 295.17°)
OKLab	oklab(39.76% 0.0036 -0.1344)
OKLCH	oklch(39.76% 0.134 271.5)
XYZ	xyz(7.7219, 5.8941, 26.3167)
Luminance	0.0590 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3D8E #8E802F

analogous

#2F6D8E #2F3D8E #512F8E

triadic

#2F3D8E #8E2F3D #3D8E2F

tetradic

#2F3D8E #8E2F6D #8E802F #2F8E51

square

#2F3D8E #8E2F6D #8E802F #2F8E51

split-complementary

#2F3D8E #8E512F #6D8E2F

monochromatic

#111532 #202960 #2F3D8E #3E51BC #6A78CE

Accessibility & contrast

On white

9.64

#2F3D8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#2F3D8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3D8E

9.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3D8E	#FFFFFF	#000000	##FFFFFF
##2F3D8E	1.00	9.64	2.18	9.64
#FFFFFF	9.64	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004991

Deuteranopia (green-blind)

#00418C

Tritanopia (blue-blind)

#00505F

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #2f3d8e;
/* rgb */ color: rgb(47, 61, 142);
/* oklch */ color: oklch(39.8% 0.134 271.5);

Tailwind

colors: {
  custom: {
    50: '#7372b0',
    500: '#2f3d8e',
    950: '#000000',
  },
}

SCSS

$custom: #2f3d8e;
$custom-light: #7372b0;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3d8e",
  "rgb": {
    "r": 47,
    "g": 61,
    "b": 142
  },
  "hsl": {
    "h": 231.158,
    "s": 50.265,
    "l": 37.059
  },
  "oklch": {
    "l": 0.39762,
    "c": 0.13446,
    "h": 271.5
  },
  "luminance": 0.05895
}

Semantic roles & 50–950 ramp

primary

#2F3D8E

secondary

#B5A964

accent

#C54EDA

background

#F7F6FA

surface

#EDECF5

border

#C8C7CF

text

#090710

muted

#7B7A7F

Preview Lab

Preview with #2F3D8E

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

Preview Lab → · Contrast checker → · Palette generator →