#2B3EAA#2B3EAA

#2B3EAA is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.2% C 0.173 H 269.5°. Best body text is #FFFFFF at 8.85:1 contrast (WCAG AA passes).

Color values

HEX	#2B3EAA
RGB	rgb(43, 62, 170)
HSL	hsl(231, 60%, 42%)
HSV	hsv(231, 75%, 67%)
CMYK	cmyk(74.7%, 63.5%, 0%, 33.3%)
CIE-LAB	lab(31.49, 31.14, -59.95)
CIE-LCH	lch(31.49, 67.55, 297.45°)
OKLab	oklab(42.16% -0.0014 -0.1732)
OKLCH	oklch(42.16% 0.173 269.5)
XYZ	xyz(9.9721, 6.8601, 38.8210)
Luminance	0.0686 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3EAA #AA972B

analogous

#2B7DAA #2B3EAA #582BAA

triadic

#2B3EAA #AA2B3E #3EAA2B

tetradic

#2B3EAA #AA2B7D #AA972B #2BAA58

square

#2B3EAA #AA2B7D #AA972B #2BAA58

split-complementary

#2B3EAA #AA582B #7DAA2B

monochromatic

#121A48 #1F2C79 #2B3EAA #4358CF #7483DC

Accessibility & contrast

On white

8.85

#2B3EAA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#2B3EAA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3EAA

8.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3EAA	#FFFFFF	#000000	##FFFFFF
##2B3EAA	1.00	8.85	2.37	8.85
#FFFFFF	8.85	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050AD

Deuteranopia (green-blind)

#0044A8

Tritanopia (blue-blind)

#005A6E

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #2b3eaa;
/* rgb */ color: rgb(43, 62, 170);
/* oklch */ color: oklch(42.2% 0.173 269.5);

Tailwind

colors: {
  custom: {
    50: '#7873c4',
    500: '#2b3eaa',
    950: '#000000',
  },
}

SCSS

$custom: #2b3eaa;
$custom-light: #7873c4;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3eaa",
  "rgb": {
    "r": 43,
    "g": 62,
    "b": 170
  },
  "hsl": {
    "h": 231.024,
    "s": 59.624,
    "l": 41.765
  },
  "oklch": {
    "l": 0.42161,
    "c": 0.17326,
    "h": 269.5
  },
  "luminance": 0.06861
}

Semantic roles & 50–950 ramp

primary

#2B3EAA

secondary

#C3B66E

accent

#CB45E3

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2B3EAA

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

Preview Lab → · Contrast checker → · Palette generator →