#2F3AA8#2F3AA8

#2F3AA8 is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.5% C 0.174 H 271.8°. Best body text is #FFFFFF at 9.16:1 contrast (WCAG AA passes).

Color values

HEX	#2F3AA8
RGB	rgb(47, 58, 168)
HSL	hsl(235, 56%, 42%)
HSV	hsv(235, 72%, 66%)
CMYK	cmyk(72%, 65.5%, 0%, 34.1%)
CIE-LAB	lab(30.54, 33.48, -60.29)
CIE-LCH	lch(30.54, 68.96, 299.04°)
OKLab	oklab(41.47% 0.0055 -0.1742)
OKLCH	oklch(41.47% 0.174 271.8)
XYZ	xyz(9.7508, 6.4566, 37.7706)
Luminance	0.0646 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3AA8 #A89D2F

analogous

#2F77A8 #2F3AA8 #602FA8

triadic

#2F3AA8 #A82F3A #3AA82F

tetradic

#2F3AA8 #A82F77 #A89D2F #2FA860

square

#2F3AA8 #A82F77 #A89D2F #2FA860

split-complementary

#2F3AA8 #A8602F #77A82F

monochromatic

#141948 #222978 #2F3AA8 #4854CC #7881D9

Accessibility & contrast

On white

9.16

#2F3AA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#2F3AA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3AA8

9.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3AA8	#FFFFFF	#000000	##FFFFFF
##2F3AA8	1.00	9.16	2.29	9.16
#FFFFFF	9.16	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EAB

Deuteranopia (green-blind)

#0042A6

Tritanopia (blue-blind)

#00576B

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #2f3aa8;
/* rgb */ color: rgb(47, 58, 168);
/* oklch */ color: oklch(41.5% 0.174 271.8);

Tailwind

colors: {
  custom: {
    50: '#7970c3',
    500: '#2f3aa8',
    950: '#000000',
  },
}

SCSS

$custom: #2f3aa8;
$custom-light: #7970c3;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3aa8",
  "rgb": {
    "r": 47,
    "g": 58,
    "b": 168
  },
  "hsl": {
    "h": 234.545,
    "s": 56.279,
    "l": 42.157
  },
  "oklch": {
    "l": 0.41467,
    "c": 0.1743,
    "h": 271.8
  },
  "luminance": 0.06458
}

Semantic roles & 50–950 ramp

primary

#2F3AA8

secondary

#C1BA71

accent

#D248E0

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #2F3AA8

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

Preview Lab → · Contrast checker → · Palette generator →