#2F3D89#2F3D89

#2F3D89 is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.4% C 0.127 H 271.5°. Best body text is #FFFFFF at 9.77:1 contrast (WCAG AA passes).

Color values

HEX	#2F3D89
RGB	rgb(47, 61, 137)
HSL	hsl(231, 49%, 36%)
HSV	hsv(231, 66%, 54%)
CMYK	cmyk(65.7%, 55.5%, 0%, 46.3%)
CIE-LAB	lab(28.77, 20.11, -44.27)
CIE-LCH	lch(28.77, 48.63, 294.43°)
OKLab	oklab(39.36% 0.0033 -0.1271)
OKLCH	oklch(39.36% 0.127 271.5)
XYZ	xyz(7.3549, 5.7473, 24.3838)
Luminance	0.0575 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3D89 #897B2F

analogous

#2F6A89 #2F3D89 #4E2F89

triadic

#2F3D89 #892F3D #3D892F

tetradic

#2F3D89 #892F6A #897B2F #2F894E

square

#2F3D89 #892F6A #897B2F #2F894E

split-complementary

#2F3D89 #894E2F #6A892F

monochromatic

#10142E #1F295B #2F3D89 #3F51B7 #6777CB

Accessibility & contrast

On white

9.77

#2F3D89 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#2F3D89 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3D89

9.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3D89	#FFFFFF	#000000	##FFFFFF
##2F3D89	1.00	9.77	2.15	9.77
#FFFFFF	9.77	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#07488C

Deuteranopia (green-blind)

#004087

Tritanopia (blue-blind)

#004F5D

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2f3d89;
/* rgb */ color: rgb(47, 61, 137);
/* oklch */ color: oklch(39.4% 0.127 271.5);

Tailwind

colors: {
  custom: {
    50: '#7272ac',
    500: '#2f3d89',
    950: '#000000',
  },
}

SCSS

$custom: #2f3d89;
$custom-light: #7272ac;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3d89",
  "rgb": {
    "r": 47,
    "g": 61,
    "b": 137
  },
  "hsl": {
    "h": 230.667,
    "s": 48.913,
    "l": 36.078
  },
  "oklch": {
    "l": 0.39359,
    "c": 0.12716,
    "h": 271.5
  },
  "luminance": 0.05748
}

Semantic roles & 50–950 ramp

primary

#2F3D89

secondary

#B2A662

accent

#C34FD8

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#090710

muted

#7B7A7F

Preview Lab

Preview with #2F3D89

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

Preview Lab → · Contrast checker → · Palette generator →