#2F3CA7#2F3CA7

#2F3CA7 is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.7% C 0.171 H 271.4°. Best body text is #FFFFFF at 9.03:1 contrast (WCAG AA passes).

Color values

HEX	#2F3CA7
RGB	rgb(47, 60, 167)
HSL	hsl(234, 56%, 42%)
HSV	hsv(234, 72%, 65%)
CMYK	cmyk(71.9%, 64.1%, 0%, 34.5%)
CIE-LAB	lab(30.94, 31.83, -59.03)
CIE-LCH	lch(30.94, 67.07, 298.33°)
OKLab	oklab(41.73% 0.0042 -0.1705)
OKLCH	oklch(41.73% 0.171 271.4)
XYZ	xyz(9.7608, 6.6251, 37.3161)
Luminance	0.0663 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3CA7 #A79A2F

analogous

#2F78A7 #2F3CA7 #5E2FA7

triadic

#2F3CA7 #A72F3C #3CA72F

tetradic

#2F3CA7 #A72F78 #A79A2F #2FA75E

square

#2F3CA7 #A72F78 #A79A2F #2FA75E

split-complementary

#2F3CA7 #A75E2F #78A72F

monochromatic

#141A47 #222B77 #2F3CA7 #4856CB #7882D9

Accessibility & contrast

On white

9.03

#2F3CA7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#2F3CA7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3CA7

9.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3CA7	#FFFFFF	#000000	##FFFFFF
##2F3CA7	1.00	9.03	2.33	9.03
#FFFFFF	9.03	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EAA

Deuteranopia (green-blind)

#0043A5

Tritanopia (blue-blind)

#00586C

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #2f3ca7;
/* rgb */ color: rgb(47, 60, 167);
/* oklch */ color: oklch(41.7% 0.171 271.4);

Tailwind

colors: {
  custom: {
    50: '#7971c2',
    500: '#2f3ca7',
    950: '#000000',
  },
}

SCSS

$custom: #2f3ca7;
$custom-light: #7971c2;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3ca7",
  "rgb": {
    "r": 47,
    "g": 60,
    "b": 167
  },
  "hsl": {
    "h": 233.5,
    "s": 56.075,
    "l": 41.961
  },
  "oklch": {
    "l": 0.41734,
    "c": 0.17056,
    "h": 271.4
  },
  "luminance": 0.06626
}

Semantic roles & 50–950 ramp

primary

#2F3CA7

secondary

#C1B871

accent

#CF48DF

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2F3CA7

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

Preview Lab → · Contrast checker → · Palette generator →