#2F42AE#2F42AE

#2F42AE is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.5% C 0.173 H 269.9°. Best body text is #FFFFFF at 8.36:1 contrast (WCAG AA passes).

Color values

HEX	#2F42AE
RGB	rgb(47, 66, 174)
HSL	hsl(231, 57%, 43%)
HSV	hsv(231, 73%, 68%)
CMYK	cmyk(73%, 62.1%, 0%, 31.8%)
CIE-LAB	lab(33.04, 30.48, -59.79)
CIE-LCH	lch(33.04, 67.11, 297.02°)
OKLab	oklab(43.47% -0.0003 -0.1727)
OKLCH	oklch(43.47% 0.173 269.9)
XYZ	xyz(10.7579, 7.5556, 40.9276)
Luminance	0.0756 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F42AE #AE9B2F

analogous

#2F81AE #2F42AE #5C2FAE

triadic

#2F42AE #AE2F42 #42AE2F

tetradic

#2F42AE #AE2F81 #AE9B2F #2FAE5C

square

#2F42AE #AE2F81 #AE9B2F #2FAE5C

split-complementary

#2F42AE #AE5C2F #81AE2F

monochromatic

#151D4E #22307E #2F42AE #4C5FCF #7C8ADC

Accessibility & contrast

On white

8.36

#2F42AE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#2F42AE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F42AE

8.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F42AE	#FFFFFF	#000000	##FFFFFF
##2F42AE	1.00	8.36	2.51	8.36
#FFFFFF	8.36	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B2

Deuteranopia (green-blind)

#0048AC

Tritanopia (blue-blind)

#005E71

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #2f42ae;
/* rgb */ color: rgb(47, 66, 174);
/* oklch */ color: oklch(43.5% 0.173 269.9);

Tailwind

colors: {
  custom: {
    50: '#7a76c7',
    500: '#2f42ae',
    950: '#000000',
  },
}

SCSS

$custom: #2f42ae;
$custom-light: #7a76c7;
$custom-dark: #000000;

JSON

{
  "hex": "#2f42ae",
  "rgb": {
    "r": 47,
    "g": 66,
    "b": 174
  },
  "hsl": {
    "h": 231.024,
    "s": 57.466,
    "l": 43.333
  },
  "oklch": {
    "l": 0.43469,
    "c": 0.17266,
    "h": 269.9
  },
  "luminance": 0.07557
}

Semantic roles & 50–950 ramp

primary

#2F42AE

secondary

#C4B875

accent

#CA47E1

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #2F42AE

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

Preview Lab → · Contrast checker → · Palette generator →