#2F36B0#2F36B0

#2F36B0 is a dark, vivid blue. Relative luminance 0.064; OKLCH L 41.6% C 0.189 H 272.2°. Best body text is #FFFFFF at 9.23:1 contrast (WCAG AA passes).

Color values

HEX	#2F36B0
RGB	rgb(47, 54, 176)
HSL	hsl(237, 58%, 44%)
HSV	hsv(237, 73%, 69%)
CMYK	cmyk(73.3%, 69.3%, 0%, 31%)
CIE-LAB	lab(30.34, 38.82, -65.40)
CIE-LCH	lch(30.34, 76.06, 300.69°)
OKLab	oklab(41.55% 0.0073 -0.1892)
OKLCH	oklch(41.55% 0.189 272.2)
XYZ	xyz(10.3253, 6.3762, 41.7524)
Luminance	0.0638 (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

#2F36B0 #B0A92F

analogous

#2F76B0 #2F36B0 #682FB0

triadic

#2F36B0 #B02F36 #36B02F

tetradic

#2F36B0 #B02F76 #B0A92F #2FB068

square

#2F36B0 #B02F76 #B0A92F #2FB068

split-complementary

#2F36B0 #B0682F #76B02F

monochromatic

#15184F #222780 #2F36B0 #4D54CF #7D82DC

Accessibility & contrast

On white

9.23

#2F36B0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#2F36B0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F36B0

9.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F36B0	#FFFFFF	#000000	##FFFFFF
##2F36B0	1.00	9.23	2.28	9.23
#FFFFFF	9.23	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EB4

Deuteranopia (green-blind)

#0041AE

Tritanopia (blue-blind)

#00576F

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2f36b0;
/* rgb */ color: rgb(47, 54, 176);
/* oklch */ color: oklch(41.6% 0.189 272.2);

Tailwind

colors: {
  custom: {
    50: '#7b6ec9',
    500: '#2f36b0',
    950: '#000000',
  },
}

SCSS

$custom: #2f36b0;
$custom-light: #7b6ec9;
$custom-dark: #000000;

JSON

{
  "hex": "#2f36b0",
  "rgb": {
    "r": 47,
    "g": 54,
    "b": 176
  },
  "hsl": {
    "h": 236.744,
    "s": 57.848,
    "l": 43.725
  },
  "oklch": {
    "l": 0.41552,
    "c": 0.1893,
    "h": 272.2
  },
  "luminance": 0.06377
}

Semantic roles & 50–950 ramp

primary

#2F36B0

secondary

#C5C176

accent

#D947E1

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #2F36B0

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

Preview Lab → · Contrast checker → · Palette generator →