#2F36A5#2F36A5

#2F36A5 is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.5% C 0.175 H 272.8°. Best body text is #FFFFFF at 9.58:1 contrast (WCAG AA passes).

Color values

HEX	#2F36A5
RGB	rgb(47, 54, 165)
HSL	hsl(236, 56%, 42%)
HSV	hsv(236, 72%, 65%)
CMYK	cmyk(71.5%, 67.3%, 0%, 35.3%)
CIE-LAB	lab(29.31, 34.95, -60.50)
CIE-LCH	lch(29.31, 69.87, 300.02°)
OKLab	oklab(40.49% 0.0085 -0.1748)
OKLCH	oklch(40.49% 0.175 272.8)
XYZ	xyz(9.2807, 5.9584, 36.2510)
Luminance	0.0596 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.88

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F36A5 #A59E2F

analogous

#2F71A5 #2F36A5 #632FA5

triadic

#2F36A5 #A52F36 #36A52F

tetradic

#2F36A5 #A52F71 #A59E2F #2FA563

square

#2F36A5 #A52F71 #A59E2F #2FA563

split-complementary

#2F36A5 #A5632F #71A52F

monochromatic

#141746 #212675 #2F36A5 #474FCB #767CD8

Accessibility & contrast

On white

9.58

#2F36A5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#2F36A5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F36A5

9.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F36A5	#FFFFFF	#000000	##FFFFFF
##2F36A5	1.00	9.58	2.19	9.58
#FFFFFF	9.58	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BA8

Deuteranopia (green-blind)

#0040A3

Tritanopia (blue-blind)

#005469

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #2f36a5;
/* rgb */ color: rgb(47, 54, 165);
/* oklch */ color: oklch(40.5% 0.175 272.8);

Tailwind

colors: {
  custom: {
    50: '#796dc1',
    500: '#2f36a5',
    950: '#000000',
  },
}

SCSS

$custom: #2f36a5;
$custom-light: #796dc1;
$custom-dark: #000000;

JSON

{
  "hex": "#2f36a5",
  "rgb": {
    "r": 47,
    "g": 54,
    "b": 165
  },
  "hsl": {
    "h": 236.441,
    "s": 55.66,
    "l": 41.569
  },
  "oklch": {
    "l": 0.40487,
    "c": 0.17505,
    "h": 272.8
  },
  "luminance": 0.05959
}

Semantic roles & 50–950 ramp

primary

#2F36A5

secondary

#C0BB70

accent

#D649DF

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2F36A5

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

Preview Lab → · Contrast checker → · Palette generator →