#2B3CA0#2B3CA0

#2B3CA0 is a dark, vivid blue. Relative luminance 0.063; OKLCH L 40.9% C 0.162 H 270.1°. Best body text is #FFFFFF at 9.31:1 contrast (WCAG AA passes).

Color values

HEX	#2B3CA0
RGB	rgb(43, 60, 160)
HSL	hsl(231, 58%, 40%)
HSV	hsv(231, 73%, 63%)
CMYK	cmyk(73.1%, 62.5%, 0%, 37.3%)
CIE-LAB	lab(30.11, 28.75, -56.17)
CIE-LCH	lch(30.11, 63.10, 297.10°)
OKLab	oklab(40.88% 0.0003 -0.1622)
OKLCH	oklch(40.88% 0.162 270.1)
XYZ	xyz(8.9551, 6.2825, 33.9916)
Luminance	0.0628 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3CA0 #A08F2B

analogous

#2B77A0 #2B3CA0 #552BA0

triadic

#2B3CA0 #A02B3C #3CA02B

tetradic

#2B3CA0 #A02B77 #A08F2B #2BA055

square

#2B3CA0 #A02B77 #A08F2B #2BA055

split-complementary

#2B3CA0 #A0552B #77A02B

monochromatic

#111840 #1E2A70 #2B3CA0 #3D52CB #6E7DD8

Accessibility & contrast

On white

9.31

#2B3CA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#2B3CA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3CA0

9.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3CA0	#FFFFFF	#000000	##FFFFFF
##2B3CA0	1.00	9.31	2.26	9.31
#FFFFFF	9.31	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CA3

Deuteranopia (green-blind)

#00429E

Tritanopia (blue-blind)

#005668

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2b3ca0;
/* rgb */ color: rgb(43, 60, 160);
/* oklch */ color: oklch(40.9% 0.162 270.1);

Tailwind

colors: {
  custom: {
    50: '#7571bd',
    500: '#2b3ca0',
    950: '#000000',
  },
}

SCSS

$custom: #2b3ca0;
$custom-light: #7571bd;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3ca0",
  "rgb": {
    "r": 43,
    "g": 60,
    "b": 160
  },
  "hsl": {
    "h": 231.282,
    "s": 57.635,
    "l": 39.804
  },
  "oklch": {
    "l": 0.40881,
    "c": 0.1622,
    "h": 270.1
  },
  "luminance": 0.06283
}

Semantic roles & 50–950 ramp

primary

#2B3CA0

secondary

#BFB268

accent

#CB47E1

background

#F7F6FB

surface

#EEECF7

border

#C9C7D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2B3CA0

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

Preview Lab → · Contrast checker → · Palette generator →