#2F3C8F#2F3C8F

#2F3C8F is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.6% C 0.137 H 271.9°. Best body text is #FFFFFF at 9.71:1 contrast (WCAG AA passes).

Color values

HEX	#2F3C8F
RGB	rgb(47, 60, 143)
HSL	hsl(232, 51%, 37%)
HSV	hsv(232, 67%, 56%)
CMYK	cmyk(67.1%, 58%, 0%, 43.9%)
CIE-LAB	lab(28.95, 23.01, -47.68)
CIE-LCH	lch(28.95, 52.94, 295.77°)
OKLab	oklab(39.64% 0.0045 -0.1372)
OKLCH	oklch(39.64% 0.137 271.9)
XYZ	xyz(7.7444, 5.8185, 26.6962)
Luminance	0.0582 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3C8F #8F822F

analogous

#2F6C8F #2F3C8F #522F8F

triadic

#2F3C8F #8F2F3C #3C8F2F

tetradic

#2F3C8F #8F2F6C #8F822F #2F8F52

square

#2F3C8F #8F2F6C #8F822F #2F8F52

split-complementary

#2F3C8F #8F522F #6C8F2F

monochromatic

#111533 #202961 #2F3C8F #3E4FBD #6A78CE

Accessibility & contrast

On white

9.71

#2F3C8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#2F3C8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3C8F

9.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3C8F	#FFFFFF	#000000	##FFFFFF
##2F3C8F	1.00	9.71	2.16	9.71
#FFFFFF	9.71	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004992

Deuteranopia (green-blind)

#00408D

Tritanopia (blue-blind)

#00505F

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2f3c8f;
/* rgb */ color: rgb(47, 60, 143);
/* oklch */ color: oklch(39.6% 0.137 271.9);

Tailwind

colors: {
  custom: {
    50: '#7371b0',
    500: '#2f3c8f',
    950: '#000000',
  },
}

SCSS

$custom: #2f3c8f;
$custom-light: #7371b0;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3c8f",
  "rgb": {
    "r": 47,
    "g": 60,
    "b": 143
  },
  "hsl": {
    "h": 231.875,
    "s": 50.526,
    "l": 37.255
  },
  "oklch": {
    "l": 0.39642,
    "c": 0.13723,
    "h": 271.9
  },
  "luminance": 0.05819
}

Semantic roles & 50–950 ramp

primary

#2F3C8F

secondary

#B5AA65

accent

#C74EDA

background

#F7F6FA

surface

#EDECF5

border

#C8C7CF

text

#090711

muted

#7B7A80

Preview Lab

Preview with #2F3C8F

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

Preview Lab → · Contrast checker → · Palette generator →