#2F36B8#2F36B8

#2F36B8 is a dark, vivid blue. Relative luminance 0.067; OKLCH L 42.3% C 0.199 H 271.8°. Best body text is #FFFFFF at 8.97:1 contrast (WCAG AA passes).

Color values

HEX	#2F36B8
RGB	rgb(47, 54, 184)
HSL	hsl(237, 59%, 45%)
HSV	hsv(237, 74%, 72%)
CMYK	cmyk(74.5%, 70.7%, 0%, 27.8%)
CIE-LAB	lab(31.12, 41.59, -68.88)
CIE-LCH	lch(31.12, 80.46, 301.13°)
OKLab	oklab(42.35% 0.0063 -0.1993)
OKLCH	oklch(42.35% 0.199 271.8)
XYZ	xyz(11.1403, 6.7022, 46.0446)
Luminance	0.0670 (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

#2F36B8 #B8B12F

analogous

#2F7BB8 #2F36B8 #6C2FB8

triadic

#2F36B8 #B82F36 #36B82F

tetradic

#2F36B8 #B82F7B #B8B12F #2FB86C

square

#2F36B8 #B82F7B #B8B12F #2FB86C

split-complementary

#2F36B8 #B86C2F #7BB82F

monochromatic

#161957 #232887 #2F36B8 #5258D3 #8287DF

Accessibility & contrast

On white

8.97

#2F36B8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#2F36B8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F36B8

8.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F36B8	#FFFFFF	#000000	##FFFFFF
##2F36B8	1.00	8.97	2.34	8.97
#FFFFFF	8.97	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050BC

Deuteranopia (green-blind)

#0043B6

Tritanopia (blue-blind)

#005A73

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #2f36b8;
/* rgb */ color: rgb(47, 54, 184);
/* oklch */ color: oklch(42.3% 0.199 271.8);

Tailwind

colors: {
  custom: {
    50: '#7d6ecf',
    500: '#2f36b8',
    950: '#000000',
  },
}

SCSS

$custom: #2f36b8;
$custom-light: #7d6ecf;
$custom-dark: #000000;

JSON

{
  "hex": "#2f36b8",
  "rgb": {
    "r": 47,
    "g": 54,
    "b": 184
  },
  "hsl": {
    "h": 236.934,
    "s": 59.307,
    "l": 45.294
  },
  "oklch": {
    "l": 0.42347,
    "c": 0.19941,
    "h": 271.8
  },
  "luminance": 0.06703
}

Semantic roles & 50–950 ramp

primary

#2F36B8

secondary

#C8C47B

accent

#DA45E2

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0B0714

muted

#7C7A82

Preview Lab

Preview with #2F36B8

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

Preview Lab → · Contrast checker → · Palette generator →