#2F43AE#2F43AE

#2F43AE is a dark, vivid blue. Relative luminance 0.077; OKLCH L 43.7% C 0.171 H 269.7°. Best body text is #FFFFFF at 8.28:1 contrast (WCAG AA passes).

Color values

HEX	#2F43AE
RGB	rgb(47, 67, 174)
HSL	hsl(231, 57%, 43%)
HSV	hsv(231, 73%, 68%)
CMYK	cmyk(73%, 61.5%, 0%, 31.8%)
CIE-LAB	lab(33.29, 29.83, -59.37)
CIE-LCH	lch(33.29, 66.45, 296.68°)
OKLab	oklab(43.66% -0.001 -0.1714)
OKLCH	oklch(43.66% 0.171 269.7)
XYZ	xyz(10.8168, 7.6735, 40.9473)
Luminance	0.0767 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F43AE #AE9A2F

analogous

#2F82AE #2F43AE #5A2FAE

triadic

#2F43AE #AE2F43 #43AE2F

tetradic

#2F43AE #AE2F82 #AE9A2F #2FAE5A

square

#2F43AE #AE2F82 #AE9A2F #2FAE5A

split-complementary

#2F43AE #AE5A2F #82AE2F

monochromatic

#151E4E #22307E #2F43AE #4C60CF #7C8BDC

Accessibility & contrast

On white

8.28

#2F43AE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#2F43AE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F43AE

8.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F43AE	#FFFFFF	#000000	##FFFFFF
##2F43AE	1.00	8.28	2.53	8.28
#FFFFFF	8.28	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B2

Deuteranopia (green-blind)

#0049AC

Tritanopia (blue-blind)

#005E72

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #2f43ae;
/* rgb */ color: rgb(47, 67, 174);
/* oklch */ color: oklch(43.7% 0.171 269.7);

Tailwind

colors: {
  custom: {
    50: '#7a77c7',
    500: '#2f43ae',
    950: '#000000',
  },
}

SCSS

$custom: #2f43ae;
$custom-light: #7a77c7;
$custom-dark: #000000;

JSON

{
  "hex": "#2f43ae",
  "rgb": {
    "r": 47,
    "g": 67,
    "b": 174
  },
  "hsl": {
    "h": 230.551,
    "s": 57.466,
    "l": 43.333
  },
  "oklch": {
    "l": 0.43657,
    "c": 0.17143,
    "h": 269.7
  },
  "luminance": 0.07675
}

Semantic roles & 50–950 ramp

primary

#2F43AE

secondary

#C4B875

accent

#C947E1

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2F43AE

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

Preview Lab → · Contrast checker → · Palette generator →