#2F34A3#2F34A3

#2F34A3 is a dark, vivid blue. Relative luminance 0.057; OKLCH L 40.0% C 0.175 H 273.3°. Best body text is #FFFFFF at 9.81:1 contrast (WCAG AA passes).

Color values

HEX	#2F34A3
RGB	rgb(47, 52, 163)
HSL	hsl(237, 55%, 41%)
HSV	hsv(237, 71%, 64%)
CMYK	cmyk(71.2%, 68.1%, 0%, 36.1%)
CIE-LAB	lab(28.65, 35.50, -60.37)
CIE-LCH	lch(28.65, 70.03, 300.46°)
OKLab	oklab(39.96% 0.01 -0.1744)
OKLCH	oklch(39.96% 0.175 273.3)
XYZ	xyz(9.0089, 5.7038, 35.2694)
Luminance	0.0570 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F34A3 #A39E2F

analogous

#2F6EA3 #2F34A3 #642FA3

triadic

#2F34A3 #A32F34 #34A32F

tetradic

#2F34A3 #A32F6E #A39E2F #2FA364

square

#2F34A3 #A32F6E #A39E2F #2FA364

split-complementary

#2F34A3 #A3642F #6EA32F

monochromatic

#141644 #212573 #2F34A3 #464BCA #7579D7

Accessibility & contrast

On white

9.81

#2F34A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#2F34A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F34A3

9.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F34A3	#FFFFFF	#000000	##FFFFFF
##2F34A3	1.00	9.81	2.14	9.81
#FFFFFF	9.81	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049A6

Deuteranopia (green-blind)

#003EA1

Tritanopia (blue-blind)

#005267

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2f34a3;
/* rgb */ color: rgb(47, 52, 163);
/* oklch */ color: oklch(40.0% 0.175 273.3);

Tailwind

colors: {
  custom: {
    50: '#786cbf',
    500: '#2f34a3',
    950: '#000000',
  },
}

SCSS

$custom: #2f34a3;
$custom-light: #786cbf;
$custom-dark: #000000;

JSON

{
  "hex": "#2f34a3",
  "rgb": {
    "r": 47,
    "g": 52,
    "b": 163
  },
  "hsl": {
    "h": 237.414,
    "s": 55.238,
    "l": 41.176
  },
  "oklch": {
    "l": 0.39955,
    "c": 0.17474,
    "h": 273.3
  },
  "luminance": 0.05705
}

Semantic roles & 50–950 ramp

primary

#2F34A3

secondary

#BFBC6F

accent

#D849DF

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2F34A3

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

Preview Lab → · Contrast checker → · Palette generator →