#2F36B4#2F36B4

#2F36B4 is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.9% C 0.194 H 272.0°. Best body text is #FFFFFF at 9.10:1 contrast (WCAG AA passes).

Color values

HEX	#2F36B4
RGB	rgb(47, 54, 180)
HSL	hsl(237, 59%, 45%)
HSV	hsv(237, 74%, 71%)
CMYK	cmyk(73.9%, 70%, 0%, 29.4%)
CIE-LAB	lab(30.73, 40.21, -67.15)
CIE-LCH	lch(30.73, 78.27, 300.92°)
OKLab	oklab(41.95% 0.0068 -0.1943)
OKLCH	oklch(41.95% 0.194 272)
XYZ	xyz(10.7269, 6.5368, 43.8676)
Luminance	0.0654 (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

#2F36B4 #B4AD2F

analogous

#2F79B4 #2F36B4 #6B2FB4

triadic

#2F36B4 #B42F36 #36B42F

tetradic

#2F36B4 #B42F79 #B4AD2F #2FB46B

square

#2F36B4 #B42F79 #B4AD2F #2FB46B

split-complementary

#2F36B4 #B46B2F #79B42F

monochromatic

#161953 #222783 #2F36B4 #4F56D1 #8085DE

Accessibility & contrast

On white

9.10

#2F36B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#2F36B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F36B4

9.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F36B4	#FFFFFF	#000000	##FFFFFF
##2F36B4	1.00	9.10	2.31	9.10
#FFFFFF	9.10	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FB8

Deuteranopia (green-blind)

#0042B2

Tritanopia (blue-blind)

#005971

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #2f36b4;
/* rgb */ color: rgb(47, 54, 180);
/* oklch */ color: oklch(41.9% 0.194 272.0);

Tailwind

colors: {
  custom: {
    50: '#7c6ecc',
    500: '#2f36b4',
    950: '#000000',
  },
}

SCSS

$custom: #2f36b4;
$custom-light: #7c6ecc;
$custom-dark: #000000;

JSON

{
  "hex": "#2f36b4",
  "rgb": {
    "r": 47,
    "g": 54,
    "b": 180
  },
  "hsl": {
    "h": 236.842,
    "s": 58.59,
    "l": 44.51
  },
  "oklch": {
    "l": 0.41947,
    "c": 0.19438,
    "h": 272
  },
  "luminance": 0.06538
}

Semantic roles & 50–950 ramp

primary

#2F36B4

secondary

#C7C278

accent

#DA46E2

background

#F8F6FC

surface

#EFECF9

border

#CAC7D2

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #2F36B4

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

Preview Lab → · Contrast checker → · Palette generator →