#2B45A1#2B45A1

#2B45A1 is a dark, vivid blue. Relative luminance 0.073; OKLCH L 42.7% C 0.152 H 267.5°. Best body text is #FFFFFF at 8.51:1 contrast (WCAG AA passes).

Color values

HEX	#2B45A1
RGB	rgb(43, 69, 161)
HSL	hsl(227, 58%, 40%)
HSV	hsv(227, 73%, 63%)
CMYK	cmyk(73.3%, 57.1%, 0%, 36.9%)
CIE-LAB	lab(32.57, 23.12, -52.77)
CIE-LCH	lch(32.57, 57.61, 293.66°)
OKLab	oklab(42.74% -0.0066 -0.1521)
OKLCH	oklch(42.74% 0.152 267.5)
XYZ	xyz(9.5552, 7.3420, 34.6249)
Luminance	0.0734 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B45A1 #A1872B

analogous

#2B80A1 #2B45A1 #4C2BA1

triadic

#2B45A1 #A12B45 #45A12B

tetradic

#2B45A1 #A12B80 #A1872B #2BA14C

square

#2B45A1 #A12B80 #A1872B #2BA14C

split-complementary

#2B45A1 #A14C2B #80A12B

monochromatic

#111C40 #1E3071 #2B45A1 #3E5DCB #6E85D8

Accessibility & contrast

On white

8.51

#2B45A1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#2B45A1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B45A1

8.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B45A1	#FFFFFF	#000000	##FFFFFF
##2B45A1	1.00	8.51	2.47	8.51
#FFFFFF	8.51	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052A4

Deuteranopia (green-blind)

#00479F

Tritanopia (blue-blind)

#005C6C

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #2b45a1;
/* rgb */ color: rgb(43, 69, 161);
/* oklch */ color: oklch(42.7% 0.152 267.5);

Tailwind

colors: {
  custom: {
    50: '#7578be',
    500: '#2b45a1',
    950: '#000000',
  },
}

SCSS

$custom: #2b45a1;
$custom-light: #7578be;
$custom-dark: #000000;

JSON

{
  "hex": "#2b45a1",
  "rgb": {
    "r": 43,
    "g": 69,
    "b": 161
  },
  "hsl": {
    "h": 226.78,
    "s": 57.843,
    "l": 40
  },
  "oklch": {
    "l": 0.42738,
    "c": 0.15223,
    "h": 267.5
  },
  "luminance": 0.07343
}

Semantic roles & 50–950 ramp

primary

#2B45A1

secondary

#BFAC69

accent

#BF47E1

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #2B45A1

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

Preview Lab → · Contrast checker → · Palette generator →