#2B45B7#2B45B7

#2B45B7 is a dark, vivid blue. Relative luminance 0.082; OKLCH L 44.6% C 0.182 H 268.0°. Best body text is #FFFFFF at 7.96:1 contrast (WCAG AA passes).

Color values

HEX	#2B45B7
RGB	rgb(43, 69, 183)
HSL	hsl(229, 62%, 44%)
HSV	hsv(229, 77%, 72%)
CMYK	cmyk(76.5%, 62.3%, 0%, 28.2%)
CIE-LAB	lab(34.37, 31.39, -62.96)
CIE-LCH	lch(34.37, 70.35, 296.50°)
OKLab	oklab(44.64% -0.0063 -0.182)
OKLCH	oklch(44.64% 0.182 268)
XYZ	xyz(11.6687, 8.1874, 45.7559)
Luminance	0.0819 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B45B7 #B79D2B

analogous

#2B8BB7 #2B45B7 #572BB7

triadic

#2B45B7 #B72B45 #45B72B

tetradic

#2B45B7 #B72B8B #B79D2B #2BB757

square

#2B45B7 #B72B8B #B79D2B #2BB757

split-complementary

#2B45B7 #B7572B #8BB72B

monochromatic

#142054 #1F3285 #2B45B7 #4B64D5 #7C8FE0

Accessibility & contrast

On white

7.96

#2B45B7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#2B45B7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B45B7

7.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B45B7	#FFFFFF	#000000	##FFFFFF
##2B45B7	1.00	7.96	2.64	7.96
#FFFFFF	7.96	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058BB

Deuteranopia (green-blind)

#004AB5

Tritanopia (blue-blind)

#006277

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #2b45b7;
/* rgb */ color: rgb(43, 69, 183);
/* oklch */ color: oklch(44.6% 0.182 268.0);

Tailwind

colors: {
  custom: {
    50: '#7a78ce',
    500: '#2b45b7',
    950: '#000000',
  },
}

SCSS

$custom: #2b45b7;
$custom-light: #7a78ce;
$custom-dark: #000000;

JSON

{
  "hex": "#2b45b7",
  "rgb": {
    "r": 43,
    "g": 69,
    "b": 183
  },
  "hsl": {
    "h": 228.857,
    "s": 61.947,
    "l": 44.314
  },
  "oklch": {
    "l": 0.44637,
    "c": 0.18212,
    "h": 268
  },
  "luminance": 0.08189
}

Semantic roles & 50–950 ramp

primary

#2B45B7

secondary

#C9B975

accent

#C743E5

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0914

muted

#7C7B82

Preview Lab

Preview with #2B45B7

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

Preview Lab → · Contrast checker → · Palette generator →