#2B3D9F#2B3D9F

#2B3D9F is a dark, vivid blue. Relative luminance 0.064; OKLCH L 41.0% C 0.160 H 269.8°. Best body text is #FFFFFF at 9.25:1 contrast (WCAG AA passes).

Color values

HEX	#2B3D9F
RGB	rgb(43, 61, 159)
HSL	hsl(231, 57%, 40%)
HSV	hsv(231, 73%, 62%)
CMYK	cmyk(73%, 61.6%, 0%, 37.6%)
CIE-LAB	lab(30.29, 27.71, -55.28)
CIE-LCH	lch(30.29, 61.84, 296.63°)
OKLab	oklab(40.98% -0.0004 -0.1596)
OKLCH	oklch(40.98% 0.16 269.8)
XYZ	xyz(8.9209, 6.3534, 33.5503)
Luminance	0.0635 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3D9F #9F8D2B

analogous

#2B779F #2B3D9F #532B9F

triadic

#2B3D9F #9F2B3D #3D9F2B

tetradic

#2B3D9F #9F2B77 #9F8D2B #2B9F53

square

#2B3D9F #9F2B77 #9F8D2B #2B9F53

split-complementary

#2B3D9F #9F532B #779F2B

monochromatic

#11183F #1E2B6F #2B3D9F #3D53CA #6D7DD7

Accessibility & contrast

On white

9.25

#2B3D9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#2B3D9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3D9F

9.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3D9F	#FFFFFF	#000000	##FFFFFF
##2B3D9F	1.00	9.25	2.27	9.25
#FFFFFF	9.25	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DA2

Deuteranopia (green-blind)

#00429D

Tritanopia (blue-blind)

#005668

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2b3d9f;
/* rgb */ color: rgb(43, 61, 159);
/* oklch */ color: oklch(41.0% 0.160 269.8);

Tailwind

colors: {
  custom: {
    50: '#7572bc',
    500: '#2b3d9f',
    950: '#000000',
  },
}

SCSS

$custom: #2b3d9f;
$custom-light: #7572bc;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3d9f",
  "rgb": {
    "r": 43,
    "g": 61,
    "b": 159
  },
  "hsl": {
    "h": 230.69,
    "s": 57.426,
    "l": 39.608
  },
  "oklch": {
    "l": 0.40982,
    "c": 0.15958,
    "h": 269.8
  },
  "luminance": 0.06354
}

Semantic roles & 50–950 ramp

primary

#2B3D9F

secondary

#BEB167

accent

#C947E1

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #2B3D9F

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

Preview Lab → · Contrast checker → · Palette generator →