#2F36A3#2F36A3

#2F36A3 is a dark, vivid blue. Relative luminance 0.059; OKLCH L 40.3% C 0.172 H 272.9°. Best body text is #FFFFFF at 9.64:1 contrast (WCAG AA passes).

Color values

HEX	#2F36A3
RGB	rgb(47, 54, 163)
HSL	hsl(236, 55%, 41%)
HSV	hsv(236, 71%, 64%)
CMYK	cmyk(71.2%, 66.9%, 0%, 36.1%)
CIE-LAB	lab(29.12, 34.24, -59.60)
CIE-LCH	lch(29.12, 68.73, 299.88°)
OKLab	oklab(40.3% 0.0087 -0.1722)
OKLCH	oklch(40.3% 0.172 272.9)
XYZ	xyz(9.1001, 5.8861, 35.2998)
Luminance	0.0589 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 7.11

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F36A3 #A39C2F

analogous

#2F70A3 #2F36A3 #622FA3

triadic

#2F36A3 #A32F36 #36A32F

tetradic

#2F36A3 #A32F70 #A39C2F #2FA362

square

#2F36A3 #A32F70 #A39C2F #2FA362

split-complementary

#2F36A3 #A3622F #70A32F

monochromatic

#141744 #212673 #2F36A3 #464ECA #757BD7

Accessibility & contrast

On white

9.64

#2F36A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#2F36A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F36A3

9.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F36A3	#FFFFFF	#000000	##FFFFFF
##2F36A3	1.00	9.64	2.18	9.64
#FFFFFF	9.64	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AA6

Deuteranopia (green-blind)

#003FA1

Tritanopia (blue-blind)

#005367

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #2f36a3;
/* rgb */ color: rgb(47, 54, 163);
/* oklch */ color: oklch(40.3% 0.172 272.9);

Tailwind

colors: {
  custom: {
    50: '#786dbf',
    500: '#2f36a3',
    950: '#000000',
  },
}

SCSS

$custom: #2f36a3;
$custom-light: #786dbf;
$custom-dark: #000000;

JSON

{
  "hex": "#2f36a3",
  "rgb": {
    "r": 47,
    "g": 54,
    "b": 163
  },
  "hsl": {
    "h": 236.379,
    "s": 55.238,
    "l": 41.176
  },
  "oklch": {
    "l": 0.40297,
    "c": 0.17241,
    "h": 272.9
  },
  "luminance": 0.05887
}

Semantic roles & 50–950 ramp

primary

#2F36A3

secondary

#BFBA6F

accent

#D649DF

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2F36A3

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

Preview Lab → · Contrast checker → · Palette generator →