#2F34B2#2F34B2

#2F34B2 is a dark, vivid blue. Relative luminance 0.063; OKLCH L 41.4% C 0.194 H 272.4°. Best body text is #FFFFFF at 9.31:1 contrast (WCAG AA passes).

Color values

HEX	#2F34B2
RGB	rgb(47, 52, 178)
HSL	hsl(238, 58%, 44%)
HSV	hsv(238, 74%, 70%)
CMYK	cmyk(73.6%, 70.8%, 0%, 30.2%)
CIE-LAB	lab(30.09, 40.73, -67.00)
CIE-LCH	lch(30.09, 78.41, 301.29°)
OKLab	oklab(41.43% 0.0082 -0.1938)
OKLCH	oklch(41.43% 0.194 272.4)
XYZ	xyz(10.4335, 6.2736, 42.7719)
Luminance	0.0628 (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

#2F34B2 #B2AD2F

analogous

#2F76B2 #2F34B2 #6C2FB2

triadic

#2F34B2 #B22F34 #34B22F

tetradic

#2F34B2 #B22F76 #B2AD2F #2FB26C

square

#2F34B2 #B22F76 #B2AD2F #2FB26C

split-complementary

#2F34B2 #B26C2F #76B22F

monochromatic

#151851 #222682 #2F34B2 #4E53D0 #7E82DD

Accessibility & contrast

On white

9.31

#2F34B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#2F34B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F34B2

9.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F34B2	#FFFFFF	#000000	##FFFFFF
##2F34B2	1.00	9.31	2.26	9.31
#FFFFFF	9.31	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DB6

Deuteranopia (green-blind)

#0041B0

Tritanopia (blue-blind)

#00576F

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2f34b2;
/* rgb */ color: rgb(47, 52, 178);
/* oklch */ color: oklch(41.4% 0.194 272.4);

Tailwind

colors: {
  custom: {
    50: '#7c6cca',
    500: '#2f34b2',
    950: '#000000',
  },
}

SCSS

$custom: #2f34b2;
$custom-light: #7c6cca;
$custom-dark: #000000;

JSON

{
  "hex": "#2f34b2",
  "rgb": {
    "r": 47,
    "g": 52,
    "b": 178
  },
  "hsl": {
    "h": 237.71,
    "s": 58.222,
    "l": 44.118
  },
  "oklch": {
    "l": 0.41431,
    "c": 0.19401,
    "h": 272.4
  },
  "luminance": 0.06275
}

Semantic roles & 50–950 ramp

primary

#2F34B2

secondary

#C6C377

accent

#DC46E1

background

#F8F6FC

surface

#EFEBF9

border

#CAC6D2

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #2F34B2

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

Preview Lab → · Contrast checker → · Palette generator →