#2F3AA3#2F3AA3

#2F3AA3 is a dark, vivid blue. Relative luminance 0.063; OKLCH L 41.0% C 0.168 H 272.0°. Best body text is #FFFFFF at 9.31:1 contrast (WCAG AA passes).

Color values

HEX	#2F3AA3
RGB	rgb(47, 58, 163)
HSL	hsl(234, 55%, 41%)
HSV	hsv(234, 71%, 64%)
CMYK	cmyk(71.2%, 64.4%, 0%, 36.1%)
CIE-LAB	lab(30.09, 31.67, -58.01)
CIE-LCH	lch(30.09, 66.09, 298.64°)
OKLab	oklab(41.01% 0.0059 -0.1675)
OKLCH	oklch(41.01% 0.168 272)
XYZ	xyz(9.2940, 6.2739, 35.3644)
Luminance	0.0628 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3AA3 #A3982F

analogous

#2F74A3 #2F3AA3 #5E2FA3

triadic

#2F3AA3 #A32F3A #3AA32F

tetradic

#2F3AA3 #A32F74 #A3982F #2FA35E

square

#2F3AA3 #A32F74 #A3982F #2FA35E

split-complementary

#2F3AA3 #A35E2F #74A32F

monochromatic

#141844 #212973 #2F3AA3 #4652CA #757ED7

Accessibility & contrast

On white

9.31

#2F3AA3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#2F3AA3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3AA3

9.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3AA3	#FFFFFF	#000000	##FFFFFF
##2F3AA3	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)

#004CA6

Deuteranopia (green-blind)

#0042A1

Tritanopia (blue-blind)

#005569

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2f3aa3;
/* rgb */ color: rgb(47, 58, 163);
/* oklch */ color: oklch(41.0% 0.168 272.0);

Tailwind

colors: {
  custom: {
    50: '#7870bf',
    500: '#2f3aa3',
    950: '#000000',
  },
}

SCSS

$custom: #2f3aa3;
$custom-light: #7870bf;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3aa3",
  "rgb": {
    "r": 47,
    "g": 58,
    "b": 163
  },
  "hsl": {
    "h": 234.31,
    "s": 55.238,
    "l": 41.176
  },
  "oklch": {
    "l": 0.41006,
    "c": 0.16761,
    "h": 272
  },
  "luminance": 0.06275
}

Semantic roles & 50–950 ramp

primary

#2F3AA3

secondary

#BFB86F

accent

#D049DF

background

#F7F6FB

surface

#EEECF7

border

#C9C7D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2F3AA3

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

Preview Lab → · Contrast checker → · Palette generator →