#2F3F90#2F3F90

#2F3F90 is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.3% C 0.135 H 270.7°. Best body text is #FFFFFF at 9.40:1 contrast (WCAG AA passes).

Color values

HEX	#2F3F90
RGB	rgb(47, 63, 144)
HSL	hsl(230, 51%, 37%)
HSV	hsv(230, 67%, 56%)
CMYK	cmyk(67.4%, 56.3%, 0%, 43.5%)
CIE-LAB	lab(29.84, 21.36, -46.84)
CIE-LCH	lch(29.84, 51.49, 294.51°)
OKLab	oklab(40.33% 0.0018 -0.1347)
OKLCH	oklch(40.33% 0.135 270.7)
XYZ	xyz(7.9821, 6.1722, 27.1509)
Luminance	0.0617 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3F90 #90802F

analogous

#2F7090 #2F3F90 #4F2F90

triadic

#2F3F90 #902F3F #3F902F

tetradic

#2F3F90 #902F70 #90802F #2F904F

square

#2F3F90 #902F70 #90802F #2F904F

split-complementary

#2F3F90 #904F2F #70902F

monochromatic

#111734 #202B62 #2F3F90 #3E53BE #6B7BCF

Accessibility & contrast

On white

9.40

#2F3F90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#2F3F90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3F90

9.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3F90	#FFFFFF	#000000	##FFFFFF
##2F3F90	1.00	9.40	2.23	9.40
#FFFFFF	9.40	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004B93

Deuteranopia (green-blind)

#00428E

Tritanopia (blue-blind)

#005261

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #2f3f90;
/* rgb */ color: rgb(47, 63, 144);
/* oklch */ color: oklch(40.3% 0.135 270.7);

Tailwind

colors: {
  custom: {
    50: '#7373b1',
    500: '#2f3f90',
    950: '#000000',
  },
}

SCSS

$custom: #2f3f90;
$custom-light: #7373b1;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3f90",
  "rgb": {
    "r": 47,
    "g": 63,
    "b": 144
  },
  "hsl": {
    "h": 230.103,
    "s": 50.785,
    "l": 37.451
  },
  "oklch": {
    "l": 0.40334,
    "c": 0.13468,
    "h": 270.7
  },
  "luminance": 0.06173
}

Semantic roles & 50–950 ramp

primary

#2F3F90

secondary

#B6A865

accent

#C34EDA

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090811

muted

#7B7B80

Preview Lab

Preview with #2F3F90

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

Preview Lab → · Contrast checker → · Palette generator →