#2F3A91#2F3A91

#2F3A91 is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.4% C 0.143 H 272.6°. Best body text is #FFFFFF at 9.84:1 contrast (WCAG AA passes).

Color values

HEX	#2F3A91
RGB	rgb(47, 58, 145)
HSL	hsl(233, 51%, 38%)
HSV	hsv(233, 68%, 57%)
CMYK	cmyk(67.6%, 60%, 0%, 43.1%)
CIE-LAB	lab(28.57, 25.10, -49.52)
CIE-LCH	lch(28.57, 55.51, 296.88°)
OKLab	oklab(39.41% 0.0064 -0.1426)
OKLCH	oklch(39.41% 0.143 272.6)
XYZ	xyz(7.7945, 5.6741, 27.4670)
Luminance	0.0568 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3A91 #91862F

analogous

#2F6B91 #2F3A91 #552F91

triadic

#2F3A91 #912F3A #3A912F

tetradic

#2F3A91 #912F6B #91862F #2F9155

square

#2F3A91 #912F6B #91862F #2F9155

split-complementary

#2F3A91 #91552F #6B912F

monochromatic

#111535 #202863 #2F3A91 #3E4CBF #6B76CF

Accessibility & contrast

On white

9.84

#2F3A91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#2F3A91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3A91

9.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3A91	#FFFFFF	#000000	##FFFFFF
##2F3A91	1.00	9.84	2.14	9.84
#FFFFFF	9.84	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004894

Deuteranopia (green-blind)

#003F8F

Tritanopia (blue-blind)

#004F5F

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #2f3a91;
/* rgb */ color: rgb(47, 58, 145);
/* oklch */ color: oklch(39.4% 0.143 272.6);

Tailwind

colors: {
  custom: {
    50: '#7470b2',
    500: '#2f3a91',
    950: '#000000',
  },
}

SCSS

$custom: #2f3a91;
$custom-light: #7470b2;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3a91",
  "rgb": {
    "r": 47,
    "g": 58,
    "b": 145
  },
  "hsl": {
    "h": 233.265,
    "s": 51.042,
    "l": 37.647
  },
  "oklch": {
    "l": 0.39412,
    "c": 0.14273,
    "h": 272.6
  },
  "luminance": 0.05675
}

Semantic roles & 50–950 ramp

primary

#2F3A91

secondary

#B6AD65

accent

#CB4DDB

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #2F3A91

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

Preview Lab → · Contrast checker → · Palette generator →