#2F43AA#2F43AA

#2F43AA is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.3% C 0.166 H 269.7°. Best body text is #FFFFFF at 8.39:1 contrast (WCAG AA passes).

Color values

HEX	#2F43AA
RGB	rgb(47, 67, 170)
HSL	hsl(230, 57%, 43%)
HSV	hsv(230, 72%, 67%)
CMYK	cmyk(72.4%, 60.6%, 0%, 33.3%)
CIE-LAB	lab(32.96, 28.35, -57.53)
CIE-LCH	lch(32.96, 64.13, 296.24°)
OKLab	oklab(43.31% -0.001 -0.166)
OKLCH	oklch(43.31% 0.166 269.7)
XYZ	xyz(10.4327, 7.5199, 38.9241)
Luminance	0.0752 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F43AA #AA962F

analogous

#2F80AA #2F43AA #592FAA

triadic

#2F43AA #AA2F43 #43AA2F

tetradic

#2F43AA #AA2F80 #AA962F #2FAA59

square

#2F43AA #AA2F80 #AA962F #2FAA59

split-complementary

#2F43AA #AA592F #80AA2F

monochromatic

#141D4A #22307A #2F43AA #495FCD #7989DA

Accessibility & contrast

On white

8.39

#2F43AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#2F43AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F43AA

8.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F43AA	#FFFFFF	#000000	##FFFFFF
##2F43AA	1.00	8.39	2.50	8.39
#FFFFFF	8.39	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053AD

Deuteranopia (green-blind)

#0048A8

Tritanopia (blue-blind)

#005D70

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #2f43aa;
/* rgb */ color: rgb(47, 67, 170);
/* oklch */ color: oklch(43.3% 0.166 269.7);

Tailwind

colors: {
  custom: {
    50: '#7977c4',
    500: '#2f43aa',
    950: '#000000',
  },
}

SCSS

$custom: #2f43aa;
$custom-light: #7977c4;
$custom-dark: #000000;

JSON

{
  "hex": "#2f43aa",
  "rgb": {
    "r": 47,
    "g": 67,
    "b": 170
  },
  "hsl": {
    "h": 230.244,
    "s": 56.682,
    "l": 42.549
  },
  "oklch": {
    "l": 0.43308,
    "c": 0.16601,
    "h": 269.7
  },
  "luminance": 0.07521
}

Semantic roles & 50–950 ramp

primary

#2F43AA

secondary

#C2B572

accent

#C748E0

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2F43AA

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

Preview Lab → · Contrast checker → · Palette generator →