#2F36A9#2F36A9

#2F36A9 is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.9% C 0.180 H 272.6°. Best body text is #FFFFFF at 9.45:1 contrast (WCAG AA passes).

Color values

HEX	#2F36A9
RGB	rgb(47, 54, 169)
HSL	hsl(237, 56%, 42%)
HSV	hsv(237, 72%, 66%)
CMYK	cmyk(72.2%, 68%, 0%, 33.7%)
CIE-LAB	lab(29.68, 36.37, -62.30)
CIE-LCH	lch(29.68, 72.14, 300.27°)
OKLab	oklab(40.87% 0.0081 -0.1801)
OKLCH	oklch(40.87% 0.18 272.6)
XYZ	xyz(9.6505, 6.1063, 38.1985)
Luminance	0.0611 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F36A9 #A9A22F

analogous

#2F73A9 #2F36A9 #652FA9

triadic

#2F36A9 #A92F36 #36A92F

tetradic

#2F36A9 #A92F73 #A9A22F #2FA965

square

#2F36A9 #A92F73 #A9A22F #2FA965

split-complementary

#2F36A9 #A9652F #73A92F

monochromatic

#141749 #222779 #2F36A9 #4950CC #797EDA

Accessibility & contrast

On white

9.45

#2F36A9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#2F36A9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F36A9

9.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F36A9	#FFFFFF	#000000	##FFFFFF
##2F36A9	1.00	9.45	2.22	9.45
#FFFFFF	9.45	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CAD

Deuteranopia (green-blind)

#0040A7

Tritanopia (blue-blind)

#00556B

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #2f36a9;
/* rgb */ color: rgb(47, 54, 169);
/* oklch */ color: oklch(40.9% 0.180 272.6);

Tailwind

colors: {
  custom: {
    50: '#7a6dc4',
    500: '#2f36a9',
    950: '#000000',
  },
}

SCSS

$custom: #2f36a9;
$custom-light: #7a6dc4;
$custom-dark: #000000;

JSON

{
  "hex": "#2f36a9",
  "rgb": {
    "r": 47,
    "g": 54,
    "b": 169
  },
  "hsl": {
    "h": 236.557,
    "s": 56.481,
    "l": 42.353
  },
  "oklch": {
    "l": 0.4087,
    "c": 0.18028,
    "h": 272.6
  },
  "luminance": 0.06107
}

Semantic roles & 50–950 ramp

primary

#2F36A9

secondary

#C2BD72

accent

#D748E0

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #2F36A9

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

Preview Lab → · Contrast checker → · Palette generator →