#2F43AD#2F43AD

#2F43AD is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.6% C 0.170 H 269.7°. Best body text is #FFFFFF at 8.31:1 contrast (WCAG AA passes).

Color values

HEX	#2F43AD
RGB	rgb(47, 67, 173)
HSL	hsl(230, 57%, 43%)
HSV	hsv(230, 73%, 68%)
CMYK	cmyk(72.8%, 61.3%, 0%, 32.2%)
CIE-LAB	lab(33.21, 29.46, -58.91)
CIE-LCH	lch(33.21, 65.87, 296.57°)
OKLab	oklab(43.57% -0.001 -0.1701)
OKLCH	oklch(43.57% 0.17 269.7)
XYZ	xyz(10.7197, 7.6347, 40.4358)
Luminance	0.0764 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F43AD #AD992F

analogous

#2F82AD #2F43AD #5A2FAD

triadic

#2F43AD #AD2F43 #43AD2F

tetradic

#2F43AD #AD2F82 #AD992F #2FAD5A

square

#2F43AD #AD2F82 #AD992F #2FAD5A

split-complementary

#2F43AD #AD5A2F #82AD2F

monochromatic

#151E4D #22307D #2F43AD #4B60CE #7B8ADB

Accessibility & contrast

On white

8.31

#2F43AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#2F43AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F43AD

8.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F43AD	#FFFFFF	#000000	##FFFFFF
##2F43AD	1.00	8.31	2.53	8.31
#FFFFFF	8.31	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B0

Deuteranopia (green-blind)

#0048AB

Tritanopia (blue-blind)

#005E71

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #2f43ad;
/* rgb */ color: rgb(47, 67, 173);
/* oklch */ color: oklch(43.6% 0.170 269.7);

Tailwind

colors: {
  custom: {
    50: '#7977c6',
    500: '#2f43ad',
    950: '#000000',
  },
}

SCSS

$custom: #2f43ad;
$custom-light: #7977c6;
$custom-dark: #000000;

JSON

{
  "hex": "#2f43ad",
  "rgb": {
    "r": 47,
    "g": 67,
    "b": 173
  },
  "hsl": {
    "h": 230.476,
    "s": 57.273,
    "l": 43.137
  },
  "oklch": {
    "l": 0.43569,
    "c": 0.17008,
    "h": 269.7
  },
  "luminance": 0.07636
}

Semantic roles & 50–950 ramp

primary

#2F43AD

secondary

#C4B774

accent

#C847E1

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2F43AD

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

Preview Lab → · Contrast checker → · Palette generator →