#2F3A84#2F3A84

#2F3A84 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.3% C 0.124 H 272.8°. Best body text is #FFFFFF at 10.20:1 contrast (WCAG AA passes).

Color values

HEX	#2F3A84
RGB	rgb(47, 58, 132)
HSL	hsl(232, 47%, 35%)
HSV	hsv(232, 64%, 52%)
CMYK	cmyk(64.4%, 56.1%, 0%, 48.2%)
CIE-LAB	lab(27.56, 20.30, -43.11)
CIE-LCH	lch(27.56, 47.65, 295.21°)
OKLab	oklab(38.34% 0.006 -0.1237)
OKLCH	oklch(38.34% 0.124 272.8)
XYZ	xyz(6.8488, 5.2958, 22.4866)
Luminance	0.0530 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3A84 #84792F

analogous

#2F6584 #2F3A84 #4E2F84

triadic

#2F3A84 #842F3A #3A842F

tetradic

#2F3A84 #842F65 #84792F #2F844E

square

#2F3A84 #842F65 #84792F #2F844E

split-complementary

#2F3A84 #844E2F #65842F

monochromatic

#0F122A #1F2657 #2F3A84 #3F4EB1 #6572C8

Accessibility & contrast

On white

10.20

#2F3A84 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#2F3A84 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3A84

10.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3A84	#FFFFFF	#000000	##FFFFFF
##2F3A84	1.00	10.20	2.06	10.20
#FFFFFF	10.20	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#054587

Deuteranopia (green-blind)

#003D82

Tritanopia (blue-blind)

#004B59

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2f3a84;
/* rgb */ color: rgb(47, 58, 132);
/* oklch */ color: oklch(38.3% 0.124 272.8);

Tailwind

colors: {
  custom: {
    50: '#7170a8',
    500: '#2f3a84',
    950: '#000000',
  },
}

SCSS

$custom: #2f3a84;
$custom-light: #7170a8;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3a84",
  "rgb": {
    "r": 47,
    "g": 58,
    "b": 132
  },
  "hsl": {
    "h": 232.235,
    "s": 47.486,
    "l": 35.098
  },
  "oklch": {
    "l": 0.38336,
    "c": 0.1239,
    "h": 272.8
  },
  "luminance": 0.05296
}

Semantic roles & 50–950 ramp

primary

#2F3A84

secondary

#AFA560

accent

#C651D7

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #2F3A84

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

Preview Lab → · Contrast checker → · Palette generator →