#2C45B1#2C45B1

#2C45B1 is a dark, vivid blue. Relative luminance 0.080; OKLCH L 44.2% C 0.174 H 268.2°. Best body text is #FFFFFF at 8.10:1 contrast (WCAG AA passes).

Color values

HEX	#2C45B1
RGB	rgb(44, 69, 177)
HSL	hsl(229, 60%, 43%)
HSV	hsv(229, 75%, 69%)
CMYK	cmyk(75.1%, 61%, 0%, 30.6%)
CIE-LAB	lab(33.91, 29.27, -60.16)
CIE-LCH	lch(33.91, 66.90, 295.95°)
OKLab	oklab(44.15% -0.0053 -0.1738)
OKLCH	oklch(44.15% 0.174 268.2)
XYZ	xyz(11.0999, 7.9648, 42.5388)
Luminance	0.0797 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C45B1 #B1982C

analogous

#2C87B1 #2C45B1 #552CB1

triadic

#2C45B1 #B12C45 #45B12C

tetradic

#2C45B1 #B12C87 #B1982C #2CB155

square

#2C45B1 #B12C87 #B1982C #2CB155

split-complementary

#2C45B1 #B1552C #87B12C

monochromatic

#141F4F #203280 #2C45B1 #4962D2 #7A8CDE

Accessibility & contrast

On white

8.10

#2C45B1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#2C45B1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C45B1

8.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C45B1	#FFFFFF	#000000	##FFFFFF
##2C45B1	1.00	8.10	2.59	8.10
#FFFFFF	8.10	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056B5

Deuteranopia (green-blind)

#004AAF

Tritanopia (blue-blind)

#006174

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #2c45b1;
/* rgb */ color: rgb(44, 69, 177);
/* oklch */ color: oklch(44.2% 0.174 268.2);

Tailwind

colors: {
  custom: {
    50: '#7978c9',
    500: '#2c45b1',
    950: '#000000',
  },
}

SCSS

$custom: #2c45b1;
$custom-light: #7978c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2c45b1",
  "rgb": {
    "r": 44,
    "g": 69,
    "b": 177
  },
  "hsl": {
    "h": 228.722,
    "s": 60.181,
    "l": 43.333
  },
  "oklch": {
    "l": 0.44151,
    "c": 0.17386,
    "h": 268.2
  },
  "luminance": 0.07966
}

Semantic roles & 50–950 ramp

primary

#2C45B1

secondary

#C6B673

accent

#C544E3

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #2C45B1

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

Preview Lab → · Contrast checker → · Palette generator →