#2F43A7#2F43A7

#2F43A7 is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.0% C 0.162 H 269.6°. Best body text is #FFFFFF at 8.46:1 contrast (WCAG AA passes).

Color values

HEX	#2F43A7
RGB	rgb(47, 67, 167)
HSL	hsl(230, 56%, 42%)
HSV	hsv(230, 72%, 65%)
CMYK	cmyk(71.9%, 59.9%, 0%, 34.5%)
CIE-LAB	lab(32.72, 27.24, -56.13)
CIE-LCH	lch(32.72, 62.39, 295.89°)
OKLab	oklab(43.05% -0.001 -0.1619)
OKLCH	oklch(43.05% 0.162 269.6)
XYZ	xyz(10.1521, 7.4076, 37.4465)
Luminance	0.0741 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F43A7 #A7932F

analogous

#2F7FA7 #2F43A7 #572FA7

triadic

#2F43A7 #A72F43 #43A72F

tetradic

#2F43A7 #A72F7F #A7932F #2FA757

square

#2F43A7 #A72F7F #A7932F #2FA757

split-complementary

#2F43A7 #A7572F #7FA72F

monochromatic

#141D47 #223077 #2F43A7 #485ECB #7888D9

Accessibility & contrast

On white

8.46

#2F43A7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#2F43A7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F43A7

8.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F43A7	#FFFFFF	#000000	##FFFFFF
##2F43A7	1.00	8.46	2.48	8.46
#FFFFFF	8.46	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053AA

Deuteranopia (green-blind)

#0048A5

Tritanopia (blue-blind)

#005C6E

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #2f43a7;
/* rgb */ color: rgb(47, 67, 167);
/* oklch */ color: oklch(43.0% 0.162 269.6);

Tailwind

colors: {
  custom: {
    50: '#7876c2',
    500: '#2f43a7',
    950: '#000000',
  },
}

SCSS

$custom: #2f43a7;
$custom-light: #7876c2;
$custom-dark: #000000;

JSON

{
  "hex": "#2f43a7",
  "rgb": {
    "r": 47,
    "g": 67,
    "b": 167
  },
  "hsl": {
    "h": 230,
    "s": 56.075,
    "l": 41.961
  },
  "oklch": {
    "l": 0.4305,
    "c": 0.16191,
    "h": 269.6
  },
  "luminance": 0.07409
}

Semantic roles & 50–950 ramp

primary

#2F43A7

secondary

#C1B471

accent

#C648DF

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #2F43A7

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

Preview Lab → · Contrast checker → · Palette generator →