#2F3BA5#2F3BA5

#2F3BA5 is a dark, vivid blue. Relative luminance 0.064; OKLCH L 41.4% C 0.169 H 271.7°. Best body text is #FFFFFF at 9.17:1 contrast (WCAG AA passes).

Color values

HEX	#2F3BA5
RGB	rgb(47, 59, 165)
HSL	hsl(234, 56%, 42%)
HSV	hsv(234, 72%, 65%)
CMYK	cmyk(71.5%, 64.2%, 0%, 35.3%)
CIE-LAB	lab(30.52, 31.75, -58.52)
CIE-LCH	lch(30.52, 66.58, 298.48°)
OKLab	oklab(41.37% 0.005 -0.169)
OKLCH	oklch(41.37% 0.169 271.7)
XYZ	xyz(9.5255, 6.4479, 36.3326)
Luminance	0.0645 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3BA5 #A5992F

analogous

#2F76A5 #2F3BA5 #5E2FA5

triadic

#2F3BA5 #A52F3B #3BA52F

tetradic

#2F3BA5 #A52F76 #A5992F #2FA55E

square

#2F3BA5 #A52F76 #A5992F #2FA55E

split-complementary

#2F3BA5 #A55E2F #76A52F

monochromatic

#141946 #212A75 #2F3BA5 #4754CB #7680D8

Accessibility & contrast

On white

9.17

#2F3BA5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#2F3BA5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3BA5

9.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3BA5	#FFFFFF	#000000	##FFFFFF
##2F3BA5	1.00	9.17	2.29	9.17
#FFFFFF	9.17	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DA8

Deuteranopia (green-blind)

#0042A3

Tritanopia (blue-blind)

#00566A

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #2f3ba5;
/* rgb */ color: rgb(47, 59, 165);
/* oklch */ color: oklch(41.4% 0.169 271.7);

Tailwind

colors: {
  custom: {
    50: '#7871c1',
    500: '#2f3ba5',
    950: '#000000',
  },
}

SCSS

$custom: #2f3ba5;
$custom-light: #7871c1;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3ba5",
  "rgb": {
    "r": 47,
    "g": 59,
    "b": 165
  },
  "hsl": {
    "h": 233.898,
    "s": 55.66,
    "l": 41.569
  },
  "oklch": {
    "l": 0.4137,
    "c": 0.16908,
    "h": 271.7
  },
  "luminance": 0.06449
}

Semantic roles & 50–950 ramp

primary

#2F3BA5

secondary

#C0B870

accent

#D049DF

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2F3BA5

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

Preview Lab → · Contrast checker → · Palette generator →