#2B3D99#2B3D99

#2B3D99 is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.5% C 0.151 H 269.8°. Best body text is #FFFFFF at 9.42:1 contrast (WCAG AA passes).

Color values

HEX	#2B3D99
RGB	rgb(43, 61, 153)
HSL	hsl(230, 56%, 38%)
HSV	hsv(230, 72%, 60%)
CMYK	cmyk(71.9%, 60.1%, 0%, 40%)
CIE-LAB	lab(29.79, 25.47, -52.45)
CIE-LCH	lch(29.79, 58.30, 295.90°)
OKLab	oklab(40.46% -0.0004 -0.1513)
OKLCH	oklch(40.46% 0.151 269.8)
XYZ	xyz(8.4128, 6.1501, 30.8745)
Luminance	0.0615 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3D99 #99872B

analogous

#2B7499 #2B3D99 #502B99

triadic

#2B3D99 #992B3D #3D992B

tetradic

#2B3D99 #992B74 #99872B #2B9950

square

#2B3D99 #992B74 #99872B #2B9950

split-complementary

#2B3D99 #99502B #74992B

monochromatic

#101739 #1E2A69 #2B3D99 #3A51C8 #697BD5

Accessibility & contrast

On white

9.42

#2B3D99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#2B3D99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3D99

9.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3D99	#FFFFFF	#000000	##FFFFFF
##2B3D99	1.00	9.42	2.23	9.42
#FFFFFF	9.42	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004B9C

Deuteranopia (green-blind)

#004197

Tritanopia (blue-blind)

#005465

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #2b3d99;
/* rgb */ color: rgb(43, 61, 153);
/* oklch */ color: oklch(40.5% 0.151 269.8);

Tailwind

colors: {
  custom: {
    50: '#7472b8',
    500: '#2b3d99',
    950: '#000000',
  },
}

SCSS

$custom: #2b3d99;
$custom-light: #7472b8;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3d99",
  "rgb": {
    "r": 43,
    "g": 61,
    "b": 153
  },
  "hsl": {
    "h": 230.182,
    "s": 56.122,
    "l": 38.431
  },
  "oklch": {
    "l": 0.40456,
    "c": 0.15127,
    "h": 269.8
  },
  "luminance": 0.06151
}

Semantic roles & 50–950 ramp

primary

#2B3D99

secondary

#BCAD64

accent

#C748DF

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090811

muted

#7B7B80

Preview Lab

Preview with #2B3D99

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

Preview Lab → · Contrast checker → · Palette generator →