#2F3BA7#2F3BA7

#2F3BA7 is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.6% C 0.172 H 271.6°. Best body text is #FFFFFF at 9.11:1 contrast (WCAG AA passes).

Color values

HEX	#2F3BA7
RGB	rgb(47, 59, 167)
HSL	hsl(234, 56%, 42%)
HSV	hsv(234, 72%, 65%)
CMYK	cmyk(71.9%, 64.7%, 0%, 34.5%)
CIE-LAB	lab(30.69, 32.47, -59.44)
CIE-LCH	lch(30.69, 67.73, 298.65°)
OKLab	oklab(41.55% 0.0049 -0.1717)
OKLCH	oklch(41.55% 0.172 271.6)
XYZ	xyz(9.7089, 6.5213, 37.2988)
Luminance	0.0652 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3BA7 #A79B2F

analogous

#2F77A7 #2F3BA7 #5F2FA7

triadic

#2F3BA7 #A72F3B #3BA72F

tetradic

#2F3BA7 #A72F77 #A79B2F #2FA75F

square

#2F3BA7 #A72F77 #A79B2F #2FA75F

split-complementary

#2F3BA7 #A75F2F #77A72F

monochromatic

#141947 #222A77 #2F3BA7 #4855CB #7881D9

Accessibility & contrast

On white

9.11

#2F3BA7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#2F3BA7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3BA7

9.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3BA7	#FFFFFF	#000000	##FFFFFF
##2F3BA7	1.00	9.11	2.30	9.11
#FFFFFF	9.11	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EAA

Deuteranopia (green-blind)

#0043A5

Tritanopia (blue-blind)

#00576B

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #2f3ba7;
/* rgb */ color: rgb(47, 59, 167);
/* oklch */ color: oklch(41.6% 0.172 271.6);

Tailwind

colors: {
  custom: {
    50: '#7971c2',
    500: '#2f3ba7',
    950: '#000000',
  },
}

SCSS

$custom: #2f3ba7;
$custom-light: #7971c2;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3ba7",
  "rgb": {
    "r": 47,
    "g": 59,
    "b": 167
  },
  "hsl": {
    "h": 234,
    "s": 56.075,
    "l": 41.961
  },
  "oklch": {
    "l": 0.41553,
    "c": 0.17177,
    "h": 271.6
  },
  "luminance": 0.06522
}

Semantic roles & 50–950 ramp

primary

#2F3BA7

secondary

#C1B971

accent

#D048DF

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2F3BA7

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

Preview Lab → · Contrast checker → · Palette generator →