#2F42A3#2F42A3

#2F42A3 is a dark, vivid blue. Relative luminance 0.071; OKLCH L 42.5% C 0.158 H 269.9°. Best body text is #FFFFFF at 8.65:1 contrast (WCAG AA passes).

Color values

HEX	#2F42A3
RGB	rgb(47, 66, 163)
HSL	hsl(230, 55%, 41%)
HSV	hsv(230, 71%, 64%)
CMYK	cmyk(71.2%, 59.5%, 0%, 36.1%)
CIE-LAB	lab(32.13, 26.42, -54.68)
CIE-LCH	lch(32.13, 60.73, 295.79°)
OKLab	oklab(42.51% -0.0003 -0.1577)
OKLCH	oklch(42.51% 0.158 269.9)
XYZ	xyz(9.7291, 7.1441, 35.5095)
Luminance	0.0714 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F42A3 #A3902F

analogous

#2F7CA3 #2F42A3 #562FA3

triadic

#2F42A3 #A32F42 #42A32F

tetradic

#2F42A3 #A32F7C #A3902F #2FA356

square

#2F42A3 #A32F7C #A3902F #2FA356

split-complementary

#2F42A3 #A3562F #7CA32F

monochromatic

#141C44 #212F73 #2F42A3 #465BCA #7585D7

Accessibility & contrast

On white

8.65

#2F42A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#2F42A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F42A3

8.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F42A3	#FFFFFF	#000000	##FFFFFF
##2F42A3	1.00	8.65	2.43	8.65
#FFFFFF	8.65	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051A6

Deuteranopia (green-blind)

#0046A1

Tritanopia (blue-blind)

#005A6C

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #2f42a3;
/* rgb */ color: rgb(47, 66, 163);
/* oklch */ color: oklch(42.5% 0.158 269.9);

Tailwind

colors: {
  custom: {
    50: '#7776bf',
    500: '#2f42a3',
    950: '#000000',
  },
}

SCSS

$custom: #2f42a3;
$custom-light: #7776bf;
$custom-dark: #000000;

JSON

{
  "hex": "#2f42a3",
  "rgb": {
    "r": 47,
    "g": 66,
    "b": 163
  },
  "hsl": {
    "h": 230.172,
    "s": 55.238,
    "l": 41.176
  },
  "oklch": {
    "l": 0.42513,
    "c": 0.15766,
    "h": 269.9
  },
  "luminance": 0.07145
}

Semantic roles & 50–950 ramp

primary

#2F42A3

secondary

#BFB26F

accent

#C649DF

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #2F42A3

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

Preview Lab → · Contrast checker → · Palette generator →