#2F43AC#2F43AC

#2F43AC is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.5% C 0.169 H 269.7°. Best body text is #FFFFFF at 8.34:1 contrast (WCAG AA passes).

Color values

HEX	#2F43AC
RGB	rgb(47, 67, 172)
HSL	hsl(230, 57%, 43%)
HSV	hsv(230, 73%, 67%)
CMYK	cmyk(72.7%, 61%, 0%, 32.5%)
CIE-LAB	lab(33.13, 29.09, -58.45)
CIE-LCH	lch(33.13, 65.29, 296.46°)
OKLab	oklab(43.48% -0.001 -0.1687)
OKLCH	oklch(43.48% 0.169 269.7)
XYZ	xyz(10.6233, 7.5961, 39.9281)
Luminance	0.0760 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F43AC #AC982F

analogous

#2F81AC #2F43AC #592FAC

triadic

#2F43AC #AC2F43 #43AC2F

tetradic

#2F43AC #AC2F81 #AC982F #2FAC59

square

#2F43AC #AC2F81 #AC982F #2FAC59

split-complementary

#2F43AC #AC592F #81AC2F

monochromatic

#151E4C #22307C #2F43AC #4B60CE #7B8ADB

Accessibility & contrast

On white

8.34

#2F43AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#2F43AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F43AC

8.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F43AC	#FFFFFF	#000000	##FFFFFF
##2F43AC	1.00	8.34	2.52	8.34
#FFFFFF	8.34	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054AF

Deuteranopia (green-blind)

#0048AA

Tritanopia (blue-blind)

#005E71

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #2f43ac;
/* rgb */ color: rgb(47, 67, 172);
/* oklch */ color: oklch(43.5% 0.169 269.7);

Tailwind

colors: {
  custom: {
    50: '#7977c6',
    500: '#2f43ac',
    950: '#000000',
  },
}

SCSS

$custom: #2f43ac;
$custom-light: #7977c6;
$custom-dark: #000000;

JSON

{
  "hex": "#2f43ac",
  "rgb": {
    "r": 47,
    "g": 67,
    "b": 172
  },
  "hsl": {
    "h": 230.4,
    "s": 57.078,
    "l": 42.941
  },
  "oklch": {
    "l": 0.43482,
    "c": 0.16873,
    "h": 269.7
  },
  "luminance": 0.07597
}

Semantic roles & 50–950 ramp

primary

#2F43AC

secondary

#C3B674

accent

#C847E0

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2F43AC

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

Preview Lab → · Contrast checker → · Palette generator →