#2F36B3#2F36B3

#2F36B3 is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.8% C 0.193 H 272.1°. Best body text is #FFFFFF at 9.13:1 contrast (WCAG AA passes).

Color values

HEX	#2F36B3
RGB	rgb(47, 54, 179)
HSL	hsl(237, 58%, 44%)
HSV	hsv(237, 74%, 70%)
CMYK	cmyk(73.7%, 69.8%, 0%, 29.8%)
CIE-LAB	lab(30.63, 39.87, -66.71)
CIE-LCH	lch(30.63, 77.72, 300.86°)
OKLab	oklab(41.85% 0.007 -0.193)
OKLCH	oklch(41.85% 0.193 272.1)
XYZ	xyz(10.6254, 6.4962, 43.3330)
Luminance	0.0650 (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

#2F36B3 #B3AC2F

analogous

#2F78B3 #2F36B3 #6A2FB3

triadic

#2F36B3 #B32F36 #36B32F

tetradic

#2F36B3 #B32F78 #B3AC2F #2FB36A

square

#2F36B3 #B32F78 #B3AC2F #2FB36A

split-complementary

#2F36B3 #B36A2F #78B32F

monochromatic

#161952 #222783 #2F36B3 #4F55D1 #7F84DD

Accessibility & contrast

On white

9.13

#2F36B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#2F36B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F36B3

9.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F36B3	#FFFFFF	#000000	##FFFFFF
##2F36B3	1.00	9.13	2.30	9.13
#FFFFFF	9.13	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EB7

Deuteranopia (green-blind)

#0042B1

Tritanopia (blue-blind)

#005870

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #2f36b3;
/* rgb */ color: rgb(47, 54, 179);
/* oklch */ color: oklch(41.8% 0.193 272.1);

Tailwind

colors: {
  custom: {
    50: '#7c6ecb',
    500: '#2f36b3',
    950: '#000000',
  },
}

SCSS

$custom: #2f36b3;
$custom-light: #7c6ecb;
$custom-dark: #000000;

JSON

{
  "hex": "#2f36b3",
  "rgb": {
    "r": 47,
    "g": 54,
    "b": 179
  },
  "hsl": {
    "h": 236.818,
    "s": 58.407,
    "l": 44.314
  },
  "oklch": {
    "l": 0.41848,
    "c": 0.19312,
    "h": 272.1
  },
  "luminance": 0.06497
}

Semantic roles & 50–950 ramp

primary

#2F36B3

secondary

#C6C278

accent

#D946E2

background

#F8F6FC

surface

#EFECF9

border

#CAC7D2

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #2F36B3

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

Preview Lab → · Contrast checker → · Palette generator →