#2F3D8D#2F3D8D

#2F3D8D is a dark, vivid blue. Relative luminance 0.059; OKLCH L 39.7% C 0.133 H 271.5°. Best body text is #FFFFFF at 9.66:1 contrast (WCAG AA passes).

Color values

HEX	#2F3D8D
RGB	rgb(47, 61, 141)
HSL	hsl(231, 50%, 37%)
HSV	hsv(231, 67%, 55%)
CMYK	cmyk(66.7%, 56.7%, 0%, 44.7%)
CIE-LAB	lab(29.07, 21.60, -46.26)
CIE-LCH	lch(29.07, 51.05, 295.03°)
OKLab	oklab(39.68% 0.0035 -0.133)
OKLCH	oklch(39.68% 0.133 271.5)
XYZ	xyz(7.6471, 5.8642, 25.9231)
Luminance	0.0587 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3D8D #8D7F2F

analogous

#2F6C8D #2F3D8D #502F8D

triadic

#2F3D8D #8D2F3D #3D8D2F

tetradic

#2F3D8D #8D2F6C #8D7F2F #2F8D50

square

#2F3D8D #8D2F6C #8D7F2F #2F8D50

split-complementary

#2F3D8D #8D502F #6C8D2F

monochromatic

#101531 #20295F #2F3D8D #3E51BB #6978CD

Accessibility & contrast

On white

9.66

#2F3D8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#2F3D8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3D8D

9.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3D8D	#FFFFFF	#000000	##FFFFFF
##2F3D8D	1.00	9.66	2.17	9.66
#FFFFFF	9.66	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004990

Deuteranopia (green-blind)

#00408B

Tritanopia (blue-blind)

#00505F

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2f3d8d;
/* rgb */ color: rgb(47, 61, 141);
/* oklch */ color: oklch(39.7% 0.133 271.5);

Tailwind

colors: {
  custom: {
    50: '#7372af',
    500: '#2f3d8d',
    950: '#000000',
  },
}

SCSS

$custom: #2f3d8d;
$custom-light: #7372af;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3d8d",
  "rgb": {
    "r": 47,
    "g": 61,
    "b": 141
  },
  "hsl": {
    "h": 231.064,
    "s": 50,
    "l": 36.863
  },
  "oklch": {
    "l": 0.39681,
    "c": 0.13301,
    "h": 271.5
  },
  "luminance": 0.05865
}

Semantic roles & 50–950 ramp

primary

#2F3D8D

secondary

#B4A864

accent

#C54EDA

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#090710

muted

#7B7A7F

Preview Lab

Preview with #2F3D8D

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

Preview Lab → · Contrast checker → · Palette generator →