#2F3E8F#2F3E8F

#2F3E8F is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.0% C 0.135 H 271.1°. Best body text is #FFFFFF at 9.52:1 contrast (WCAG AA passes).

Color values

HEX	#2F3E8F
RGB	rgb(47, 62, 143)
HSL	hsl(231, 51%, 37%)
HSV	hsv(231, 67%, 56%)
CMYK	cmyk(67.1%, 56.6%, 0%, 43.9%)
CIE-LAB	lab(29.49, 21.66, -46.80)
CIE-LCH	lch(29.49, 51.57, 294.84°)
OKLab	oklab(40.05% 0.0027 -0.1345)
OKLCH	oklch(40.05% 0.135 271.1)
XYZ	xyz(7.8512, 6.0320, 26.7318)
Luminance	0.0603 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3E8F #8F802F

analogous

#2F6E8F #2F3E8F #502F8F

triadic

#2F3E8F #8F2F3E #3E8F2F

tetradic

#2F3E8F #8F2F6E #8F802F #2F8F50

square

#2F3E8F #8F2F6E #8F802F #2F8F50

split-complementary

#2F3E8F #8F502F #6E8F2F

monochromatic

#111633 #202A61 #2F3E8F #3E52BD #6A7ACE

Accessibility & contrast

On white

9.52

#2F3E8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#2F3E8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3E8F

9.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3E8F	#FFFFFF	#000000	##FFFFFF
##2F3E8F	1.00	9.52	2.21	9.52
#FFFFFF	9.52	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A92

Deuteranopia (green-blind)

#00418D

Tritanopia (blue-blind)

#005160

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #2f3e8f;
/* rgb */ color: rgb(47, 62, 143);
/* oklch */ color: oklch(40.0% 0.135 271.1);

Tailwind

colors: {
  custom: {
    50: '#7373b0',
    500: '#2f3e8f',
    950: '#000000',
  },
}

SCSS

$custom: #2f3e8f;
$custom-light: #7373b0;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3e8f",
  "rgb": {
    "r": 47,
    "g": 62,
    "b": 143
  },
  "hsl": {
    "h": 230.625,
    "s": 50.526,
    "l": 37.255
  },
  "oklch": {
    "l": 0.40048,
    "c": 0.13457,
    "h": 271.1
  },
  "luminance": 0.06033
}

Semantic roles & 50–950 ramp

primary

#2F3E8F

secondary

#B5A965

accent

#C44EDA

background

#F7F6FA

surface

#EDECF5

border

#C8C7CF

text

#090811

muted

#7B7B80

Preview Lab

Preview with #2F3E8F

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

Preview Lab → · Contrast checker → · Palette generator →