#2F3BA0#2F3BA0

#2F3BA0 is a dark, vivid blue. Relative luminance 0.063; OKLCH L 40.9% C 0.162 H 271.9°. Best body text is #FFFFFF at 9.32:1 contrast (WCAG AA passes).

Color values

HEX	#2F3BA0
RGB	rgb(47, 59, 160)
HSL	hsl(234, 55%, 41%)
HSV	hsv(234, 71%, 63%)
CMYK	cmyk(70.6%, 63.1%, 0%, 37.3%)
CIE-LAB	lab(30.08, 29.93, -56.21)
CIE-LCH	lch(30.08, 63.68, 298.04°)
OKLab	oklab(40.92% 0.0053 -0.1622)
OKLCH	oklch(40.92% 0.162 271.9)
XYZ	xyz(9.0793, 6.2695, 33.9825)
Luminance	0.0627 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3BA0 #A0942F

analogous

#2F73A0 #2F3BA0 #5B2FA0

triadic

#2F3BA0 #A02F3B #3BA02F

tetradic

#2F3BA0 #A02F73 #A0942F #2FA05B

square

#2F3BA0 #A02F73 #A0942F #2FA05B

split-complementary

#2F3BA0 #A05B2F #73A02F

monochromatic

#131841 #212A71 #2F3BA0 #4452C8 #737ED6

Accessibility & contrast

On white

9.32

#2F3BA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#2F3BA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3BA0

9.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3BA0	#FFFFFF	#000000	##FFFFFF
##2F3BA0	1.00	9.32	2.25	9.32
#FFFFFF	9.32	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CA3

Deuteranopia (green-blind)

#00429E

Tritanopia (blue-blind)

#005568

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2f3ba0;
/* rgb */ color: rgb(47, 59, 160);
/* oklch */ color: oklch(40.9% 0.162 271.9);

Tailwind

colors: {
  custom: {
    50: '#7771bd',
    500: '#2f3ba0',
    950: '#000000',
  },
}

SCSS

$custom: #2f3ba0;
$custom-light: #7771bd;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3ba0",
  "rgb": {
    "r": 47,
    "g": 59,
    "b": 160
  },
  "hsl": {
    "h": 233.628,
    "s": 54.589,
    "l": 40.588
  },
  "oklch": {
    "l": 0.40917,
    "c": 0.16232,
    "h": 271.9
  },
  "luminance": 0.0627
}

Semantic roles & 50–950 ramp

primary

#2F3BA0

secondary

#BEB56D

accent

#CE4ADE

background

#F7F6FB

surface

#EEECF7

border

#C9C7D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2F3BA0

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

Preview Lab → · Contrast checker → · Palette generator →