#2F3BA4#2F3BA4

#2F3BA4 is a dark, vivid blue. Relative luminance 0.064; OKLCH L 41.3% C 0.168 H 271.7°. Best body text is #FFFFFF at 9.20:1 contrast (WCAG AA passes).

Color values

HEX	#2F3BA4
RGB	rgb(47, 59, 164)
HSL	hsl(234, 55%, 41%)
HSV	hsv(234, 71%, 64%)
CMYK	cmyk(71.3%, 64%, 0%, 35.7%)
CIE-LAB	lab(30.43, 31.39, -58.06)
CIE-LCH	lch(30.43, 66.00, 298.39°)
OKLab	oklab(41.28% 0.0051 -0.1677)
OKLCH	oklch(41.28% 0.168 271.7)
XYZ	xyz(9.4348, 6.4117, 35.8551)
Luminance	0.0641 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3BA4 #A4982F

analogous

#2F76A4 #2F3BA4 #5E2FA4

triadic

#2F3BA4 #A42F3B #3BA42F

tetradic

#2F3BA4 #A42F76 #A4982F #2FA45E

square

#2F3BA4 #A42F76 #A4982F #2FA45E

split-complementary

#2F3BA4 #A45E2F #76A42F

monochromatic

#141945 #212A74 #2F3BA4 #4654CA #7680D8

Accessibility & contrast

On white

9.20

#2F3BA4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#2F3BA4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3BA4

9.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3BA4	#FFFFFF	#000000	##FFFFFF
##2F3BA4	1.00	9.20	2.28	9.20
#FFFFFF	9.20	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DA7

Deuteranopia (green-blind)

#0042A2

Tritanopia (blue-blind)

#00566A

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #2f3ba4;
/* rgb */ color: rgb(47, 59, 164);
/* oklch */ color: oklch(41.3% 0.168 271.7);

Tailwind

colors: {
  custom: {
    50: '#7871c0',
    500: '#2f3ba4',
    950: '#000000',
  },
}

SCSS

$custom: #2f3ba4;
$custom-light: #7871c0;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3ba4",
  "rgb": {
    "r": 47,
    "g": 59,
    "b": 164
  },
  "hsl": {
    "h": 233.846,
    "s": 55.45,
    "l": 41.373
  },
  "oklch": {
    "l": 0.41279,
    "c": 0.16774,
    "h": 271.7
  },
  "luminance": 0.06413
}

Semantic roles & 50–950 ramp

primary

#2F3BA4

secondary

#C0B76F

accent

#CF49DF

background

#F7F6FB

surface

#EEECF7

border

#C9C7D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2F3BA4

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

Preview Lab → · Contrast checker → · Palette generator →