#2B45AB#2B45AB

#2B45AB is a dark, vivid blue. Relative luminance 0.077; OKLCH L 43.6% C 0.166 H 267.8°. Best body text is #FFFFFF at 8.26:1 contrast (WCAG AA passes).

Color values

HEX	#2B45AB
RGB	rgb(43, 69, 171)
HSL	hsl(228, 60%, 42%)
HSV	hsv(228, 75%, 67%)
CMYK	cmyk(74.9%, 59.6%, 0%, 32.9%)
CIE-LAB	lab(33.37, 26.90, -57.47)
CIE-LCH	lch(33.37, 63.45, 295.09°)
OKLab	oklab(43.58% -0.0063 -0.1659)
OKLCH	oklch(43.58% 0.166 267.8)
XYZ	xyz(10.4725, 7.7090, 39.4562)
Luminance	0.0771 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B45AB #AB912B

analogous

#2B85AB #2B45AB #512BAB

triadic

#2B45AB #AB2B45 #45AB2B

tetradic

#2B45AB #AB2B85 #AB912B #2BAB51

square

#2B45AB #AB2B85 #AB912B #2BAB51

split-complementary

#2B45AB #AB512B #85AB2B

monochromatic

#121E49 #1F317A #2B45AB #4360D0 #7489DC

Accessibility & contrast

On white

8.26

#2B45AB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#2B45AB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B45AB

8.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B45AB	#FFFFFF	#000000	##FFFFFF
##2B45AB	1.00	8.26	2.54	8.26
#FFFFFF	8.26	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055AE

Deuteranopia (green-blind)

#0049A9

Tritanopia (blue-blind)

#005F71

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #2b45ab;
/* rgb */ color: rgb(43, 69, 171);
/* oklch */ color: oklch(43.6% 0.166 267.8);

Tailwind

colors: {
  custom: {
    50: '#7778c5',
    500: '#2b45ab',
    950: '#000000',
  },
}

SCSS

$custom: #2b45ab;
$custom-light: #7778c5;
$custom-dark: #000000;

JSON

{
  "hex": "#2b45ab",
  "rgb": {
    "r": 43,
    "g": 69,
    "b": 171
  },
  "hsl": {
    "h": 227.813,
    "s": 59.813,
    "l": 41.961
  },
  "oklch": {
    "l": 0.43583,
    "c": 0.16602,
    "h": 267.8
  },
  "luminance": 0.0771
}

Semantic roles & 50–950 ramp

primary

#2B45AB

secondary

#C4B26E

accent

#C345E3

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2B45AB

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

Preview Lab → · Contrast checker → · Palette generator →