#2B45B5#2B45B5

#2B45B5 is a dark, vivid blue. Relative luminance 0.081; OKLCH L 44.5% C 0.179 H 268.0°. Best body text is #FFFFFF at 8.01:1 contrast (WCAG AA passes).

Color values

HEX	#2B45B5
RGB	rgb(43, 69, 181)
HSL	hsl(229, 62%, 44%)
HSV	hsv(229, 76%, 71%)
CMYK	cmyk(76.2%, 61.9%, 0%, 29%)
CIE-LAB	lab(34.20, 30.65, -62.06)
CIE-LCH	lch(34.20, 69.21, 296.28°)
OKLab	oklab(44.46% -0.0062 -0.1794)
OKLCH	oklch(44.46% 0.179 268)
XYZ	xyz(11.4620, 8.1048, 44.6674)
Luminance	0.0811 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B45B5 #B59B2B

analogous

#2B8AB5 #2B45B5 #562BB5

triadic

#2B45B5 #B52B45 #45B52B

tetradic

#2B45B5 #B52B8A #B59B2B #2BB556

square

#2B45B5 #B52B8A #B59B2B #2BB556

split-complementary

#2B45B5 #B5562B #8AB52B

monochromatic

#141F52 #1F3284 #2B45B5 #4963D4 #7B8EE0

Accessibility & contrast

On white

8.01

#2B45B5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#2B45B5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B45B5

8.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B45B5	#FFFFFF	#000000	##FFFFFF
##2B45B5	1.00	8.01	2.62	8.01
#FFFFFF	8.01	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057B9

Deuteranopia (green-blind)

#004AB3

Tritanopia (blue-blind)

#006276

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #2b45b5;
/* rgb */ color: rgb(43, 69, 181);
/* oklch */ color: oklch(44.5% 0.179 268.0);

Tailwind

colors: {
  custom: {
    50: '#7a78cc',
    500: '#2b45b5',
    950: '#000000',
  },
}

SCSS

$custom: #2b45b5;
$custom-light: #7a78cc;
$custom-dark: #000000;

JSON

{
  "hex": "#2b45b5",
  "rgb": {
    "r": 43,
    "g": 69,
    "b": 181
  },
  "hsl": {
    "h": 228.696,
    "s": 61.607,
    "l": 43.922
  },
  "oklch": {
    "l": 0.44458,
    "c": 0.17947,
    "h": 268
  },
  "luminance": 0.08106
}

Semantic roles & 50–950 ramp

primary

#2B45B5

secondary

#C8B874

accent

#C643E5

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #2B45B5

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

Preview Lab → · Contrast checker → · Palette generator →