#2F3B8A#2F3B8A

#2F3B8A is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.0% C 0.131 H 272.3°. Best body text is #FFFFFF at 9.94:1 contrast (WCAG AA passes).

Color values

HEX	#2F3B8A
RGB	rgb(47, 59, 138)
HSL	hsl(232, 49%, 36%)
HSV	hsv(232, 66%, 54%)
CMYK	cmyk(65.9%, 57.2%, 0%, 45.9%)
CIE-LAB	lab(28.29, 21.84, -45.66)
CIE-LCH	lch(28.29, 50.61, 295.56°)
OKLab	oklab(39.03% 0.0053 -0.1312)
OKLCH	oklch(39.03% 0.131 272.3)
XYZ	xyz(7.3222, 5.5666, 24.7284)
Luminance	0.0557 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3B8A #8A7E2F

analogous

#2F698A #2F3B8A #512F8A

triadic

#2F3B8A #8A2F3B #3B8A2F

tetradic

#2F3B8A #8A2F69 #8A7E2F #2F8A51

square

#2F3B8A #8A2F69 #8A7E2F #2F8A51

split-complementary

#2F3B8A #8A512F #698A2F

monochromatic

#10142F #1F275C #2F3B8A #3F4FB8 #6875CC

Accessibility & contrast

On white

9.94

#2F3B8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#2F3B8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3B8A

9.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3B8A	#FFFFFF	#000000	##FFFFFF
##2F3B8A	1.00	9.94	2.11	9.94
#FFFFFF	9.94	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00478D

Deuteranopia (green-blind)

#003F88

Tritanopia (blue-blind)

#004E5C

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #2f3b8a;
/* rgb */ color: rgb(47, 59, 138);
/* oklch */ color: oklch(39.0% 0.131 272.3);

Tailwind

colors: {
  custom: {
    50: '#7270ad',
    500: '#2f3b8a',
    950: '#000000',
  },
}

SCSS

$custom: #2f3b8a;
$custom-light: #7270ad;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3b8a",
  "rgb": {
    "r": 47,
    "g": 59,
    "b": 138
  },
  "hsl": {
    "h": 232.088,
    "s": 49.189,
    "l": 36.275
  },
  "oklch": {
    "l": 0.39027,
    "c": 0.13134,
    "h": 272.3
  },
  "luminance": 0.05567
}

Semantic roles & 50–950 ramp

primary

#2F3B8A

secondary

#B3A862

accent

#C74FD9

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#090710

muted

#7B7A7F

Preview Lab

Preview with #2F3B8A

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

Preview Lab → · Contrast checker → · Palette generator →