#2F36AB#2F36AB

#2F36AB is a dark, vivid blue. Relative luminance 0.062; OKLCH L 41.1% C 0.183 H 272.5°. Best body text is #FFFFFF at 9.39:1 contrast (WCAG AA passes).

Color values

HEX	#2F36AB
RGB	rgb(47, 54, 171)
HSL	hsl(237, 57%, 43%)
HSV	hsv(237, 73%, 67%)
CMYK	cmyk(72.5%, 68.4%, 0%, 32.9%)
CIE-LAB	lab(29.87, 37.07, -63.19)
CIE-LCH	lch(29.87, 73.26, 300.40°)
OKLab	oklab(41.06% 0.0079 -0.1827)
OKLCH	oklch(41.06% 0.183 272.5)
XYZ	xyz(9.8397, 6.1820, 39.1949)
Luminance	0.0618 (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

#2F36AB #ABA42F

analogous

#2F74AB #2F36AB #662FAB

triadic

#2F36AB #AB2F36 #36AB2F

tetradic

#2F36AB #AB2F74 #ABA42F #2FAB66

square

#2F36AB #AB2F74 #ABA42F #2FAB66

split-complementary

#2F36AB #AB662F #74AB2F

monochromatic

#15184B #22277B #2F36AB #4A51CD #7A7FDA

Accessibility & contrast

On white

9.39

#2F36AB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#2F36AB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F36AB

9.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F36AB	#FFFFFF	#000000	##FFFFFF
##2F36AB	1.00	9.39	2.24	9.39
#FFFFFF	9.39	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CAF

Deuteranopia (green-blind)

#0041A9

Tritanopia (blue-blind)

#00566C

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #2f36ab;
/* rgb */ color: rgb(47, 54, 171);
/* oklch */ color: oklch(41.1% 0.183 272.5);

Tailwind

colors: {
  custom: {
    50: '#7a6dc5',
    500: '#2f36ab',
    950: '#000000',
  },
}

SCSS

$custom: #2f36ab;
$custom-light: #7a6dc5;
$custom-dark: #000000;

JSON

{
  "hex": "#2f36ab",
  "rgb": {
    "r": 47,
    "g": 54,
    "b": 171
  },
  "hsl": {
    "h": 236.613,
    "s": 56.881,
    "l": 42.745
  },
  "oklch": {
    "l": 0.41064,
    "c": 0.18288,
    "h": 272.5
  },
  "luminance": 0.06183
}

Semantic roles & 50–950 ramp

primary

#2F36AB

secondary

#C3BE73

accent

#D848E0

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #2F36AB

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

Preview Lab → · Contrast checker → · Palette generator →