#2F3CA3#2F3CA3

#2F3CA3 is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.4% C 0.165 H 271.5°. Best body text is #FFFFFF at 9.15:1 contrast (WCAG AA passes).

Color values

HEX	#2F3CA3
RGB	rgb(47, 60, 163)
HSL	hsl(233, 55%, 41%)
HSV	hsv(233, 71%, 64%)
CMYK	cmyk(71.2%, 63.2%, 0%, 36.1%)
CIE-LAB	lab(30.59, 30.37, -57.19)
CIE-LCH	lch(30.59, 64.76, 297.97°)
OKLab	oklab(41.37% 0.0044 -0.1651)
OKLCH	oklch(41.37% 0.165 271.5)
XYZ	xyz(9.3968, 6.4795, 35.3987)
Luminance	0.0648 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3CA3 #A3962F

analogous

#2F76A3 #2F3CA3 #5C2FA3

triadic

#2F3CA3 #A32F3C #3CA32F

tetradic

#2F3CA3 #A32F76 #A3962F #2FA35C

square

#2F3CA3 #A32F76 #A3962F #2FA35C

split-complementary

#2F3CA3 #A35C2F #76A32F

monochromatic

#141944 #212B73 #2F3CA3 #4654CA #7580D7

Accessibility & contrast

On white

9.15

#2F3CA3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#2F3CA3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3CA3

9.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3CA3	#FFFFFF	#000000	##FFFFFF
##2F3CA3	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)

#004DA6

Deuteranopia (green-blind)

#0043A1

Tritanopia (blue-blind)

#005669

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #2f3ca3;
/* rgb */ color: rgb(47, 60, 163);
/* oklch */ color: oklch(41.4% 0.165 271.5);

Tailwind

colors: {
  custom: {
    50: '#7871bf',
    500: '#2f3ca3',
    950: '#000000',
  },
}

SCSS

$custom: #2f3ca3;
$custom-light: #7871bf;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3ca3",
  "rgb": {
    "r": 47,
    "g": 60,
    "b": 163
  },
  "hsl": {
    "h": 233.276,
    "s": 55.238,
    "l": 41.176
  },
  "oklch": {
    "l": 0.41372,
    "c": 0.16517,
    "h": 271.5
  },
  "luminance": 0.0648
}

Semantic roles & 50–950 ramp

primary

#2F3CA3

secondary

#BFB66F

accent

#CE49DF

background

#F7F6FB

surface

#EEECF7

border

#C9C7D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2F3CA3

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

Preview Lab → · Contrast checker → · Palette generator →