#2F43A3#2F43A3

#2F43A3 is a dark, vivid blue. Relative luminance 0.073; OKLCH L 42.7% C 0.156 H 269.6°. Best body text is #FFFFFF at 8.56:1 contrast (WCAG AA passes).

Color values

HEX	#2F43A3
RGB	rgb(47, 67, 163)
HSL	hsl(230, 55%, 41%)
HSV	hsv(230, 71%, 64%)
CMYK	cmyk(71.2%, 58.9%, 0%, 36.1%)
CIE-LAB	lab(32.40, 25.76, -54.25)
CIE-LCH	lch(32.40, 60.05, 295.40°)
OKLab	oklab(42.71% -0.0011 -0.1564)
OKLCH	oklch(42.71% 0.156 269.6)
XYZ	xyz(9.7880, 7.2620, 35.5291)
Luminance	0.0726 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F43A3 #A38F2F

analogous

#2F7DA3 #2F43A3 #552FA3

triadic

#2F43A3 #A32F43 #43A32F

tetradic

#2F43A3 #A32F7D #A38F2F #2FA355

square

#2F43A3 #A32F7D #A38F2F #2FA355

split-complementary

#2F43A3 #A3552F #7DA32F

monochromatic

#141C44 #212F73 #2F43A3 #465CCA #7586D7

Accessibility & contrast

On white

8.56

#2F43A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#2F43A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F43A3

8.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F43A3	#FFFFFF	#000000	##FFFFFF
##2F43A3	1.00	8.56	2.45	8.56
#FFFFFF	8.56	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052A6

Deuteranopia (green-blind)

#0047A1

Tritanopia (blue-blind)

#005B6C

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #2f43a3;
/* rgb */ color: rgb(47, 67, 163);
/* oklch */ color: oklch(42.7% 0.156 269.6);

Tailwind

colors: {
  custom: {
    50: '#7776bf',
    500: '#2f43a3',
    950: '#000000',
  },
}

SCSS

$custom: #2f43a3;
$custom-light: #7776bf;
$custom-dark: #000000;

JSON

{
  "hex": "#2f43a3",
  "rgb": {
    "r": 47,
    "g": 67,
    "b": 163
  },
  "hsl": {
    "h": 229.655,
    "s": 55.238,
    "l": 41.176
  },
  "oklch": {
    "l": 0.4271,
    "c": 0.15639,
    "h": 269.6
  },
  "luminance": 0.07263
}

Semantic roles & 50–950 ramp

primary

#2F43A3

secondary

#BFB16F

accent

#C549DF

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #2F43A3

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

Preview Lab → · Contrast checker → · Palette generator →