#2B3AA0#2B3AA0

#2B3AA0 is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.5% C 0.165 H 270.6°. Best body text is #FFFFFF at 9.48:1 contrast (WCAG AA passes).

Color values

HEX	#2B3AA0
RGB	rgb(43, 58, 160)
HSL	hsl(232, 58%, 40%)
HSV	hsv(232, 73%, 63%)
CMYK	cmyk(73.1%, 63.8%, 0%, 37.3%)
CIE-LAB	lab(29.61, 30.07, -57.00)
CIE-LCH	lch(29.61, 64.44, 297.81°)
OKLab	oklab(40.51% 0.0017 -0.1646)
OKLCH	oklch(40.51% 0.165 270.6)
XYZ	xyz(8.8523, 6.0769, 33.9573)
Luminance	0.0608 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3AA0 #A0912B

analogous

#2B74A0 #2B3AA0 #572BA0

triadic

#2B3AA0 #A02B3A #3AA02B

tetradic

#2B3AA0 #A02B74 #A0912B #2BA057

square

#2B3AA0 #A02B74 #A0912B #2BA057

split-complementary

#2B3AA0 #A0572B #74A02B

monochromatic

#111740 #1E2970 #2B3AA0 #3D4FCB #6E7BD8

Accessibility & contrast

On white

9.48

#2B3AA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#2B3AA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3AA0

9.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3AA0	#FFFFFF	#000000	##FFFFFF
##2B3AA0	1.00	9.48	2.22	9.48
#FFFFFF	9.48	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BA3

Deuteranopia (green-blind)

#00409E

Tritanopia (blue-blind)

#005467

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #2b3aa0;
/* rgb */ color: rgb(43, 58, 160);
/* oklch */ color: oklch(40.5% 0.165 270.6);

Tailwind

colors: {
  custom: {
    50: '#7670bd',
    500: '#2b3aa0',
    950: '#000000',
  },
}

SCSS

$custom: #2b3aa0;
$custom-light: #7670bd;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3aa0",
  "rgb": {
    "r": 43,
    "g": 58,
    "b": 160
  },
  "hsl": {
    "h": 232.308,
    "s": 57.635,
    "l": 39.804
  },
  "oklch": {
    "l": 0.40506,
    "c": 0.16466,
    "h": 270.6
  },
  "luminance": 0.06078
}

Semantic roles & 50–950 ramp

primary

#2B3AA0

secondary

#BFB468

accent

#CD47E1

background

#F7F6FB

surface

#EEECF7

border

#C9C7D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2B3AA0

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

Preview Lab → · Contrast checker → · Palette generator →