#2F34B5#2F34B5

#2F34B5 is a dark, vivid blue. Relative luminance 0.064; OKLCH L 41.7% C 0.198 H 272.3°. Best body text is #FFFFFF at 9.21:1 contrast (WCAG AA passes).

Color values

HEX	#2F34B5
RGB	rgb(47, 52, 181)
HSL	hsl(238, 59%, 45%)
HSV	hsv(238, 74%, 71%)
CMYK	cmyk(74%, 71.3%, 0%, 29%)
CIE-LAB	lab(30.39, 41.76, -68.30)
CIE-LCH	lch(30.39, 80.06, 301.44°)
OKLab	oklab(41.73% 0.0078 -0.1976)
OKLCH	oklch(41.73% 0.198 272.3)
XYZ	xyz(10.7380, 6.3954, 44.3756)
Luminance	0.0640 (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

#2F34B5 #B5B02F

analogous

#2F77B5 #2F34B5 #6D2FB5

triadic

#2F34B5 #B52F34 #34B52F

tetradic

#2F34B5 #B52F77 #B5B02F #2FB56D

square

#2F34B5 #B52F77 #B5B02F #2FB56D

split-complementary

#2F34B5 #B56D2F #77B52F

monochromatic

#161854 #222684 #2F34B5 #5055D1 #8084DE

Accessibility & contrast

On white

9.21

#2F34B5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#2F34B5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F34B5

9.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F34B5	#FFFFFF	#000000	##FFFFFF
##2F34B5	1.00	9.21	2.28	9.21
#FFFFFF	9.21	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EB9

Deuteranopia (green-blind)

#0041B3

Tritanopia (blue-blind)

#005871

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #2f34b5;
/* rgb */ color: rgb(47, 52, 181);
/* oklch */ color: oklch(41.7% 0.198 272.3);

Tailwind

colors: {
  custom: {
    50: '#7d6ccc',
    500: '#2f34b5',
    950: '#000000',
  },
}

SCSS

$custom: #2f34b5;
$custom-light: #7d6ccc;
$custom-dark: #000000;

JSON

{
  "hex": "#2f34b5",
  "rgb": {
    "r": 47,
    "g": 52,
    "b": 181
  },
  "hsl": {
    "h": 237.761,
    "s": 58.772,
    "l": 44.706
  },
  "oklch": {
    "l": 0.41733,
    "c": 0.19778,
    "h": 272.3
  },
  "luminance": 0.06397
}

Semantic roles & 50–950 ramp

primary

#2F34B5

secondary

#C7C479

accent

#DC46E2

background

#F8F6FC

surface

#EFEBF9

border

#CAC6D2

text

#0B0714

muted

#7C7A82

Preview Lab

Preview with #2F34B5

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

Preview Lab → · Contrast checker → · Palette generator →