#2F3B91#2F3B91

#2F3B91 is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.6% C 0.141 H 272.2°. Best body text is #FFFFFF at 9.74:1 contrast (WCAG AA passes).

Color values

HEX	#2F3B91
RGB	rgb(47, 59, 145)
HSL	hsl(233, 51%, 38%)
HSV	hsv(233, 68%, 57%)
CMYK	cmyk(67.6%, 59.3%, 0%, 43.1%)
CIE-LAB	lab(28.84, 24.43, -49.09)
CIE-LCH	lch(28.84, 54.83, 296.46°)
OKLab	oklab(39.61% 0.0055 -0.1413)
OKLCH	oklch(39.61% 0.141 272.2)
XYZ	xyz(7.8454, 5.7759, 27.4840)
Luminance	0.0578 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3B91 #91852F

analogous

#2F6C91 #2F3B91 #542F91

triadic

#2F3B91 #912F3B #3B912F

tetradic

#2F3B91 #912F6C #91852F #2F9154

square

#2F3B91 #912F6C #91852F #2F9154

split-complementary

#2F3B91 #91542F #6C912F

monochromatic

#111535 #202863 #2F3B91 #3E4EBF #6B78CF

Accessibility & contrast

On white

9.74

#2F3B91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#2F3B91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3B91

9.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3B91	#FFFFFF	#000000	##FFFFFF
##2F3B91	1.00	9.74	2.16	9.74
#FFFFFF	9.74	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004994

Deuteranopia (green-blind)

#00408F

Tritanopia (blue-blind)

#005060

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2f3b91;
/* rgb */ color: rgb(47, 59, 145);
/* oklch */ color: oklch(39.6% 0.141 272.2);

Tailwind

colors: {
  custom: {
    50: '#7470b2',
    500: '#2f3b91',
    950: '#000000',
  },
}

SCSS

$custom: #2f3b91;
$custom-light: #7470b2;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3b91",
  "rgb": {
    "r": 47,
    "g": 59,
    "b": 145
  },
  "hsl": {
    "h": 232.653,
    "s": 51.042,
    "l": 37.647
  },
  "oklch": {
    "l": 0.39609,
    "c": 0.14142,
    "h": 272.2
  },
  "luminance": 0.05777
}

Semantic roles & 50–950 ramp

primary

#2F3B91

secondary

#B6AC65

accent

#C94DDB

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #2F3B91

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

Preview Lab → · Contrast checker → · Palette generator →