#2F36A8#2F36A8

#2F36A8 is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.8% C 0.179 H 272.6°. Best body text is #FFFFFF at 9.49:1 contrast (WCAG AA passes).

Color values

HEX	#2F36A8
RGB	rgb(47, 54, 168)
HSL	hsl(237, 56%, 42%)
HSV	hsv(237, 72%, 66%)
CMYK	cmyk(72%, 67.9%, 0%, 34.1%)
CIE-LAB	lab(29.59, 36.01, -61.85)
CIE-LCH	lch(29.59, 71.57, 300.21°)
OKLab	oklab(40.77% 0.0082 -0.1788)
OKLCH	oklch(40.77% 0.179 272.6)
XYZ	xyz(9.5570, 6.0689, 37.7059)
Luminance	0.0607 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.55

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F36A8 #A8A12F

analogous

#2F73A8 #2F36A8 #652FA8

triadic

#2F36A8 #A82F36 #36A82F

tetradic

#2F36A8 #A82F73 #A8A12F #2FA865

square

#2F36A8 #A82F73 #A8A12F #2FA865

split-complementary

#2F36A8 #A8652F #73A82F

monochromatic

#141748 #222778 #2F36A8 #4850CC #787ED9

Accessibility & contrast

On white

9.49

#2F36A8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#2F36A8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F36A8

9.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F36A8	#FFFFFF	#000000	##FFFFFF
##2F36A8	1.00	9.49	2.21	9.49
#FFFFFF	9.49	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BAC

Deuteranopia (green-blind)

#0040A6

Tritanopia (blue-blind)

#00556A

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #2f36a8;
/* rgb */ color: rgb(47, 54, 168);
/* oklch */ color: oklch(40.8% 0.179 272.6);

Tailwind

colors: {
  custom: {
    50: '#796dc3',
    500: '#2f36a8',
    950: '#000000',
  },
}

SCSS

$custom: #2f36a8;
$custom-light: #796dc3;
$custom-dark: #000000;

JSON

{
  "hex": "#2f36a8",
  "rgb": {
    "r": 47,
    "g": 54,
    "b": 168
  },
  "hsl": {
    "h": 236.529,
    "s": 56.279,
    "l": 42.157
  },
  "oklch": {
    "l": 0.40774,
    "c": 0.17898,
    "h": 272.6
  },
  "luminance": 0.0607
}

Semantic roles & 50–950 ramp

primary

#2F36A8

secondary

#C1BD71

accent

#D748E0

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #2F36A8

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

Preview Lab → · Contrast checker → · Palette generator →