#2B45B0#2B45B0

#2B45B0 is a dark, vivid blue. Relative luminance 0.079; OKLCH L 44.0% C 0.173 H 267.9°. Best body text is #FFFFFF at 8.14:1 contrast (WCAG AA passes).

Color values

HEX	#2B45B0
RGB	rgb(43, 69, 176)
HSL	hsl(228, 61%, 43%)
HSV	hsv(228, 76%, 69%)
CMYK	cmyk(75.6%, 60.8%, 0%, 31%)
CIE-LAB	lab(33.78, 28.78, -59.78)
CIE-LCH	lch(33.78, 66.34, 295.71°)
OKLab	oklab(44.02% -0.0062 -0.1727)
OKLCH	oklch(44.02% 0.173 267.9)
XYZ	xyz(10.9581, 7.9032, 42.0138)
Luminance	0.0790 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B45B0 #B0962B

analogous

#2B87B0 #2B45B0 #542BB0

triadic

#2B45B0 #B02B45 #45B02B

tetradic

#2B45B0 #B02B87 #B0962B #2BB054

square

#2B45B0 #B02B87 #B0962B #2BB054

split-complementary

#2B45B0 #B0542B #87B02B

monochromatic

#131E4E #1F327F #2B45B0 #4662D2 #788CDE

Accessibility & contrast

On white

8.14

#2B45B0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#2B45B0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B45B0

8.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B45B0	#FFFFFF	#000000	##FFFFFF
##2B45B0	1.00	8.14	2.58	8.14
#FFFFFF	8.14	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056B4

Deuteranopia (green-blind)

#0049AE

Tritanopia (blue-blind)

#006074

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #2b45b0;
/* rgb */ color: rgb(43, 69, 176);
/* oklch */ color: oklch(44.0% 0.173 267.9);

Tailwind

colors: {
  custom: {
    50: '#7878c8',
    500: '#2b45b0',
    950: '#000000',
  },
}

SCSS

$custom: #2b45b0;
$custom-light: #7878c8;
$custom-dark: #000000;

JSON

{
  "hex": "#2b45b0",
  "rgb": {
    "r": 43,
    "g": 69,
    "b": 176
  },
  "hsl": {
    "h": 228.271,
    "s": 60.731,
    "l": 42.941
  },
  "oklch": {
    "l": 0.44017,
    "c": 0.17279,
    "h": 267.9
  },
  "luminance": 0.07904
}

Semantic roles & 50–950 ramp

primary

#2B45B0

secondary

#C6B571

accent

#C544E4

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #2B45B0

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

Preview Lab → · Contrast checker → · Palette generator →