#2F3C8B#2F3C8B

#2F3C8B is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.3% C 0.131 H 271.9°. Best body text is #FFFFFF at 9.81:1 contrast (WCAG AA passes).

Color values

HEX	#2F3C8B
RGB	rgb(47, 60, 139)
HSL	hsl(232, 49%, 36%)
HSV	hsv(232, 66%, 55%)
CMYK	cmyk(66.2%, 56.8%, 0%, 45.5%)
CIE-LAB	lab(28.64, 21.53, -45.71)
CIE-LCH	lch(28.64, 50.53, 295.22°)
OKLab	oklab(39.31% 0.0044 -0.1314)
OKLCH	oklch(39.31% 0.131 271.9)
XYZ	xyz(7.4468, 5.6995, 25.1288)
Luminance	0.0570 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3C8B #8B7E2F

analogous

#2F6A8B #2F3C8B #502F8B

triadic

#2F3C8B #8B2F3C #3C8B2F

tetradic

#2F3C8B #8B2F6A #8B7E2F #2F8B50

square

#2F3C8B #8B2F6A #8B7E2F #2F8B50

split-complementary

#2F3C8B #8B502F #6A8B2F

monochromatic

#101530 #20285D #2F3C8B #3E50B9 #6876CC

Accessibility & contrast

On white

9.81

#2F3C8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#2F3C8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3C8B

9.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3C8B	#FFFFFF	#000000	##FFFFFF
##2F3C8B	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)

#00488E

Deuteranopia (green-blind)

#004089

Tritanopia (blue-blind)

#004F5D

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2f3c8b;
/* rgb */ color: rgb(47, 60, 139);
/* oklch */ color: oklch(39.3% 0.131 271.9);

Tailwind

colors: {
  custom: {
    50: '#7271ad',
    500: '#2f3c8b',
    950: '#000000',
  },
}

SCSS

$custom: #2f3c8b;
$custom-light: #7271ad;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3c8b",
  "rgb": {
    "r": 47,
    "g": 60,
    "b": 139
  },
  "hsl": {
    "h": 231.522,
    "s": 49.462,
    "l": 36.471
  },
  "oklch": {
    "l": 0.39313,
    "c": 0.13144,
    "h": 271.9
  },
  "luminance": 0.057
}

Semantic roles & 50–950 ramp

primary

#2F3C8B

secondary

#B3A863

accent

#C54FD9

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#090710

muted

#7B7A7F

Preview Lab

Preview with #2F3C8B

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

Preview Lab → · Contrast checker → · Palette generator →