#2B3DAE#2B3DAE

#2B3DAE is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.3% C 0.180 H 269.7°. Best body text is #FFFFFF at 8.82:1 contrast (WCAG AA passes).

Color values

HEX	#2B3DAE
RGB	rgb(43, 61, 174)
HSL	hsl(232, 60%, 43%)
HSV	hsv(232, 75%, 68%)
CMYK	cmyk(75.3%, 64.9%, 0%, 31.8%)
CIE-LAB	lab(31.59, 33.26, -62.16)
CIE-LCH	lch(31.59, 70.50, 298.15°)
OKLab	oklab(42.35% -0.0009 -0.1798)
OKLCH	oklch(42.35% 0.18 269.7)
XYZ	xyz(10.3024, 6.9060, 40.8262)
Luminance	0.0691 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3DAE #AE9C2B

analogous

#2B7EAE #2B3DAE #5B2BAE

triadic

#2B3DAE #AE2B3D #3DAE2B

tetradic

#2B3DAE #AE2B7E #AE9C2B #2BAE5B

square

#2B3DAE #AE2B7E #AE9C2B #2BAE5B

split-complementary

#2B3DAE #AE5B2B #7EAE2B

monochromatic

#131B4C #1F2C7D #2B3DAE #4558D1 #7684DD

Accessibility & contrast

On white

8.82

#2B3DAE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#2B3DAE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3DAE

8.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3DAE	#FFFFFF	#000000	##FFFFFF
##2B3DAE	1.00	8.82	2.38	8.82
#FFFFFF	8.82	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051B2

Deuteranopia (green-blind)

#0044AC

Tritanopia (blue-blind)

#005B70

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #2b3dae;
/* rgb */ color: rgb(43, 61, 174);
/* oklch */ color: oklch(42.3% 0.180 269.7);

Tailwind

colors: {
  custom: {
    50: '#7972c7',
    500: '#2b3dae',
    950: '#000000',
  },
}

SCSS

$custom: #2b3dae;
$custom-light: #7972c7;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3dae",
  "rgb": {
    "r": 43,
    "g": 61,
    "b": 174
  },
  "hsl": {
    "h": 231.756,
    "s": 60.369,
    "l": 42.549
  },
  "oklch": {
    "l": 0.42347,
    "c": 0.17976,
    "h": 269.7
  },
  "luminance": 0.06907
}

Semantic roles & 50–950 ramp

primary

#2B3DAE

secondary

#C5B970

accent

#CE44E4

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2B3DAE

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

Preview Lab → · Contrast checker → · Palette generator →