#2B45A3#2B45A3

#2B45A3 is a dark, vivid blue. Relative luminance 0.074; OKLCH L 42.9% C 0.155 H 267.6°. Best body text is #FFFFFF at 8.46:1 contrast (WCAG AA passes).

Color values

HEX	#2B45A3
RGB	rgb(43, 69, 163)
HSL	hsl(227, 58%, 40%)
HSV	hsv(227, 74%, 64%)
CMYK	cmyk(73.6%, 57.7%, 0%, 36.1%)
CIE-LAB	lab(32.73, 23.88, -53.72)
CIE-LCH	lch(32.73, 58.78, 293.97°)
OKLab	oklab(42.9% -0.0065 -0.1549)
OKLCH	oklch(42.9% 0.155 267.6)
XYZ	xyz(9.7329, 7.4132, 35.5612)
Luminance	0.0741 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B45A3 #A3892B

analogous

#2B81A3 #2B45A3 #4D2BA3

triadic

#2B45A3 #A32B45 #45A32B

tetradic

#2B45A3 #A32B81 #A3892B #2BA34D

square

#2B45A3 #A32B81 #A3892B #2BA34D

split-complementary

#2B45A3 #A34D2B #81A32B

monochromatic

#111C42 #1E3173 #2B45A3 #3F5ECC #6F86D9

Accessibility & contrast

On white

8.46

#2B45A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#2B45A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B45A3

8.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B45A3	#FFFFFF	#000000	##FFFFFF
##2B45A3	1.00	8.46	2.48	8.46
#FFFFFF	8.46	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053A6

Deuteranopia (green-blind)

#0048A1

Tritanopia (blue-blind)

#005C6D

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #2b45a3;
/* rgb */ color: rgb(43, 69, 163);
/* oklch */ color: oklch(42.9% 0.155 267.6);

Tailwind

colors: {
  custom: {
    50: '#7578bf',
    500: '#2b45a3',
    950: '#000000',
  },
}

SCSS

$custom: #2b45a3;
$custom-light: #7578bf;
$custom-dark: #000000;

JSON

{
  "hex": "#2b45a3",
  "rgb": {
    "r": 43,
    "g": 69,
    "b": 163
  },
  "hsl": {
    "h": 227,
    "s": 58.252,
    "l": 40.392
  },
  "oklch": {
    "l": 0.42904,
    "c": 0.15502,
    "h": 267.6
  },
  "luminance": 0.07414
}

Semantic roles & 50–950 ramp

primary

#2B45A3

secondary

#C0AD6A

accent

#C046E1

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #2B45A3

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

Preview Lab → · Contrast checker → · Palette generator →