#2F43A0#2F43A0

#2F43A0 is a dark, vivid blue. Relative luminance 0.072; OKLCH L 42.5% C 0.152 H 269.6°. Best body text is #FFFFFF at 8.64:1 contrast (WCAG AA passes).

Color values

HEX	#2F43A0
RGB	rgb(47, 67, 160)
HSL	hsl(229, 55%, 41%)
HSV	hsv(229, 71%, 63%)
CMYK	cmyk(70.6%, 58.1%, 0%, 37.3%)
CIE-LAB	lab(32.16, 24.64, -52.83)
CIE-LCH	lch(32.16, 58.29, 295.01°)
OKLab	oklab(42.46% -0.0011 -0.1522)
OKLCH	oklch(42.46% 0.152 269.6)
XYZ	xyz(9.5224, 7.1558, 34.1303)
Luminance	0.0716 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F43A0 #A08C2F

analogous

#2F7BA0 #2F43A0 #542FA0

triadic

#2F43A0 #A02F43 #43A02F

tetradic

#2F43A0 #A02F7B #A08C2F #2FA054

square

#2F43A0 #A02F7B #A08C2F #2FA054

split-complementary

#2F43A0 #A0542F #7BA02F

monochromatic

#131B41 #212F71 #2F43A0 #445BC8 #7385D6

Accessibility & contrast

On white

8.64

#2F43A0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#2F43A0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F43A0

8.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F43A0	#FFFFFF	#000000	##FFFFFF
##2F43A0	1.00	8.64	2.43	8.64
#FFFFFF	8.64	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051A3

Deuteranopia (green-blind)

#00479E

Tritanopia (blue-blind)

#005A6B

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #2f43a0;
/* rgb */ color: rgb(47, 67, 160);
/* oklch */ color: oklch(42.5% 0.152 269.6);

Tailwind

colors: {
  custom: {
    50: '#7676bd',
    500: '#2f43a0',
    950: '#000000',
  },
}

SCSS

$custom: #2f43a0;
$custom-light: #7676bd;
$custom-dark: #000000;

JSON

{
  "hex": "#2f43a0",
  "rgb": {
    "r": 47,
    "g": 67,
    "b": 160
  },
  "hsl": {
    "h": 229.381,
    "s": 54.589,
    "l": 40.588
  },
  "oklch": {
    "l": 0.42458,
    "c": 0.15221,
    "h": 269.6
  },
  "luminance": 0.07157
}

Semantic roles & 50–950 ramp

primary

#2F43A0

secondary

#BEAF6D

accent

#C44ADE

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #2F43A0

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

Preview Lab → · Contrast checker → · Palette generator →