#2F34B7#2F34B7

#2F34B7 is a dark, highly saturated blue. Relative luminance 0.065; OKLCH L 41.9% C 0.200 H 272.1°. Best body text is #FFFFFF at 9.15:1 contrast (WCAG AA passes).

Color values

HEX	#2F34B7
RGB	rgb(47, 52, 183)
HSL	hsl(238, 59%, 45%)
HSV	hsv(238, 74%, 72%)
CMYK	cmyk(74.3%, 71.6%, 0%, 28.2%)
CIE-LAB	lab(30.59, 42.44, -69.16)
CIE-LCH	lch(30.59, 81.15, 301.54°)
OKLab	oklab(41.94% 0.0075 -0.2001)
OKLCH	oklch(41.94% 0.2 272.1)
XYZ	xyz(10.9446, 6.4781, 45.4642)
Luminance	0.0648 (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

#2F34B7 #B7B22F

analogous

#2F78B7 #2F34B7 #6E2FB7

triadic

#2F34B7 #B72F34 #34B72F

tetradic

#2F34B7 #B72F78 #B7B22F #2FB76E

square

#2F34B7 #B72F78 #B7B22F #2FB76E

split-complementary

#2F34B7 #B76E2F #78B72F

monochromatic

#161856 #222686 #2F34B7 #5156D2 #8285DF

Accessibility & contrast

On white

9.15

#2F34B7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#2F34B7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F34B7

9.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F34B7	#FFFFFF	#000000	##FFFFFF
##2F34B7	1.00	9.15	2.30	9.15
#FFFFFF	9.15	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FBB

Deuteranopia (green-blind)

#0041B5

Tritanopia (blue-blind)

#005972

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #2f34b7;
/* rgb */ color: rgb(47, 52, 183);
/* oklch */ color: oklch(41.9% 0.200 272.1);

Tailwind

colors: {
  custom: {
    50: '#7d6cce',
    500: '#2f34b7',
    950: '#000000',
  },
}

SCSS

$custom: #2f34b7;
$custom-light: #7d6cce;
$custom-dark: #000000;

JSON

{
  "hex": "#2f34b7",
  "rgb": {
    "r": 47,
    "g": 52,
    "b": 183
  },
  "hsl": {
    "h": 237.794,
    "s": 59.13,
    "l": 45.098
  },
  "oklch": {
    "l": 0.41935,
    "c": 0.20027,
    "h": 272.1
  },
  "luminance": 0.06479
}

Semantic roles & 50–950 ramp

primary

#2F34B7

secondary

#C8C57A

accent

#DD45E2

background

#F8F6FC

surface

#EFEBF9

border

#CAC6D2

text

#0B0714

muted

#7C7A82

Preview Lab

Preview with #2F34B7

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

Preview Lab → · Contrast checker → · Palette generator →