#2F40AD#2F40AD

#2F40AD is a dark, vivid blue. Relative luminance 0.073; OKLCH L 43.0% C 0.174 H 270.4°. Best body text is #FFFFFF at 8.54:1 contrast (WCAG AA passes).

Color values

HEX	#2F40AD
RGB	rgb(47, 64, 173)
HSL	hsl(232, 57%, 43%)
HSV	hsv(232, 73%, 68%)
CMYK	cmyk(72.8%, 63%, 0%, 32.2%)
CIE-LAB	lab(32.45, 31.42, -60.15)
CIE-LCH	lch(32.45, 67.86, 297.58°)
OKLab	oklab(43.01% 0.0011 -0.1737)
OKLCH	oklch(43.01% 0.174 270.4)
XYZ	xyz(10.5459, 7.2872, 40.3778)
Luminance	0.0729 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F40AD #AD9C2F

analogous

#2F7FAD #2F40AD #5D2FAD

triadic

#2F40AD #AD2F40 #40AD2F

tetradic

#2F40AD #AD2F7F #AD9C2F #2FAD5D

square

#2F40AD #AD2F7F #AD9C2F #2FAD5D

split-complementary

#2F40AD #AD5D2F #7FAD2F

monochromatic

#151C4D #222E7D #2F40AD #4B5DCE #7B88DB

Accessibility & contrast

On white

8.54

#2F40AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#2F40AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F40AD

8.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F40AD	#FFFFFF	#000000	##FFFFFF
##2F40AD	1.00	8.54	2.46	8.54
#FFFFFF	8.54	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052B1

Deuteranopia (green-blind)

#0047AB

Tritanopia (blue-blind)

#005C70

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #2f40ad;
/* rgb */ color: rgb(47, 64, 173);
/* oklch */ color: oklch(43.0% 0.174 270.4);

Tailwind

colors: {
  custom: {
    50: '#7a74c6',
    500: '#2f40ad',
    950: '#000000',
  },
}

SCSS

$custom: #2f40ad;
$custom-light: #7a74c6;
$custom-dark: #000000;

JSON

{
  "hex": "#2f40ad",
  "rgb": {
    "r": 47,
    "g": 64,
    "b": 173
  },
  "hsl": {
    "h": 231.905,
    "s": 57.273,
    "l": 43.137
  },
  "oklch": {
    "l": 0.43009,
    "c": 0.17375,
    "h": 270.4
  },
  "luminance": 0.07288
}

Semantic roles & 50–950 ramp

primary

#2F40AD

secondary

#C4B974

accent

#CC47E1

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2F40AD

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

Preview Lab → · Contrast checker → · Palette generator →