#2F23A7#2F23A7

#2F23A7 is a dark, vivid blue. Relative luminance 0.046; OKLCH L 37.9% C 0.197 H 275.5°. Best body text is #FFFFFF at 10.94:1 contrast (WCAG AA passes).

Color values

HEX	#2F23A7
RGB	rgb(47, 35, 167)
HSL	hsl(245, 65%, 40%)
HSV	hsv(245, 79%, 65%)
CMYK	cmyk(71.9%, 79%, 0%, 34.5%)
CIE-LAB	lab(25.55, 46.64, -67.90)
CIE-LCH	lch(25.55, 82.37, 304.48°)
OKLab	oklab(37.87% 0.0188 -0.1963)
OKLCH	oklch(37.87% 0.197 275.5)
XYZ	xyz(8.7461, 4.5956, 36.9778)
Luminance	0.0460 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F23A7 #9BA723

analogous

#2359A7 #2F23A7 #7123A7

triadic

#2F23A7 #A72F23 #23A72F

tetradic

#2F23A7 #A72359 #9BA723 #23A771

square

#2F23A7 #A72359 #9BA723 #23A771

split-complementary

#2F23A7 #A77123 #59A723

monochromatic

#130E42 #211874 #2F23A7 #4233D4 #7166DF

Accessibility & contrast

On white

10.94

#2F23A7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#2F23A7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F23A7

10.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F23A7	#FFFFFF	#000000	##FFFFFF
##2F23A7	1.00	10.94	1.92	10.94
#FFFFFF	10.94	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042AB

Deuteranopia (green-blind)

#0037A5

Tritanopia (blue-blind)

#004B65

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #2f23a7;
/* rgb */ color: rgb(47, 35, 167);
/* oklch */ color: oklch(37.9% 0.197 275.5);

Tailwind

colors: {
  custom: {
    50: '#7b61c2',
    500: '#2f23a7',
    950: '#000000',
  },
}

SCSS

$custom: #2f23a7;
$custom-light: #7b61c2;
$custom-dark: #000000;

JSON

{
  "hex": "#2f23a7",
  "rgb": {
    "r": 47,
    "g": 35,
    "b": 167
  },
  "hsl": {
    "h": 245.455,
    "s": 65.347,
    "l": 39.608
  },
  "oklch": {
    "l": 0.37867,
    "c": 0.19721,
    "h": 275.5
  },
  "luminance": 0.04596
}

Semantic roles & 50–950 ramp

primary

#2F23A7

secondary

#BBC461

accent

#E83FD9

background

#F8F5FC

surface

#EFEAF8

border

#CAC6D1

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #2F23A7

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

Preview Lab → · Contrast checker → · Palette generator →