#2B3C99#2B3C99

#2B3C99 is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.3% C 0.153 H 270.1°. Best body text is #FFFFFF at 9.51:1 contrast (WCAG AA passes).

Color values

HEX	#2B3C99
RGB	rgb(43, 60, 153)
HSL	hsl(231, 56%, 38%)
HSV	hsv(231, 72%, 60%)
CMYK	cmyk(71.9%, 60.8%, 0%, 40%)
CIE-LAB	lab(29.52, 26.14, -52.88)
CIE-LCH	lch(29.52, 58.99, 296.30°)
OKLab	oklab(40.26% 0.0004 -0.1525)
OKLCH	oklch(40.26% 0.153 270.1)
XYZ	xyz(8.3599, 6.0444, 30.8569)
Luminance	0.0604 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3C99 #99882B

analogous

#2B7399 #2B3C99 #512B99

triadic

#2B3C99 #992B3C #3C992B

tetradic

#2B3C99 #992B73 #99882B #2B9951

square

#2B3C99 #992B73 #99882B #2B9951

split-complementary

#2B3C99 #99512B #73992B

monochromatic

#101739 #1E2969 #2B3C99 #3A50C8 #697AD5

Accessibility & contrast

On white

9.51

#2B3C99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#2B3C99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3C99

9.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3C99	#FFFFFF	#000000	##FFFFFF
##2B3C99	1.00	9.51	2.21	9.51
#FFFFFF	9.51	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004B9C

Deuteranopia (green-blind)

#004197

Tritanopia (blue-blind)

#005364

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #2b3c99;
/* rgb */ color: rgb(43, 60, 153);
/* oklch */ color: oklch(40.3% 0.153 270.1);

Tailwind

colors: {
  custom: {
    50: '#7471b8',
    500: '#2b3c99',
    950: '#000000',
  },
}

SCSS

$custom: #2b3c99;
$custom-light: #7471b8;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3c99",
  "rgb": {
    "r": 43,
    "g": 60,
    "b": 153
  },
  "hsl": {
    "h": 230.727,
    "s": 56.122,
    "l": 38.431
  },
  "oklch": {
    "l": 0.4026,
    "c": 0.15254,
    "h": 270.1
  },
  "luminance": 0.06045
}

Semantic roles & 50–950 ramp

primary

#2B3C99

secondary

#BCAE64

accent

#C848DF

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #2B3C99

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

Preview Lab → · Contrast checker → · Palette generator →