#2145B4#2145B4

#2145B4 is a dark, vivid blue. Relative luminance 0.079; OKLCH L 44.0% C 0.181 H 265.5°. Best body text is #FFFFFF at 8.16:1 contrast (WCAG AA passes).

Color values

HEX	#2145B4
RGB	rgb(33, 69, 180)
HSL	hsl(225, 69%, 42%)
HSV	hsv(225, 82%, 71%)
CMYK	cmyk(81.7%, 61.7%, 0%, 29.4%)
CIE-LAB	lab(33.72, 29.29, -62.27)
CIE-LCH	lch(33.72, 68.81, 295.19°)
OKLab	oklab(43.96% -0.0143 -0.1802)
OKLCH	oklch(43.96% 0.181 265.5)
XYZ	xyz(10.9906, 7.8735, 44.1117)
Luminance	0.0788 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2145B4 #B49021

analogous

#218FB4 #2145B4 #4721B4

triadic

#2145B4 #B42145 #45B421

tetradic

#2145B4 #B4218F #B49021 #21B447

square

#2145B4 #B4218F #B49021 #21B447

split-complementary

#2145B4 #B44721 #8FB421

monochromatic

#0E1D4D #183180 #2145B4 #3860DA #6B89E4

Accessibility & contrast

On white

8.16

#2145B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#2145B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2145B4

8.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2145B4	#FFFFFF	#000000	##FFFFFF
##2145B4	1.00	8.16	2.58	8.16
#FFFFFF	8.16	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056B8

Deuteranopia (green-blind)

#0049B2

Tritanopia (blue-blind)

#006276

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #2145b4;
/* rgb */ color: rgb(33, 69, 180);
/* oklch */ color: oklch(44.0% 0.181 265.5);

Tailwind

colors: {
  custom: {
    50: '#7678cb',
    500: '#2145b4',
    950: '#000000',
  },
}

SCSS

$custom: #2145b4;
$custom-light: #7678cb;
$custom-dark: #000000;

JSON

{
  "hex": "#2145b4",
  "rgb": {
    "r": 33,
    "g": 69,
    "b": 180
  },
  "hsl": {
    "h": 225.306,
    "s": 69.014,
    "l": 41.765
  },
  "oklch": {
    "l": 0.43964,
    "c": 0.18073,
    "h": 265.5
  },
  "luminance": 0.07875
}

Semantic roles & 50–950 ramp

primary

#2145B4

secondary

#CAB267

accent

#C13CEC

background

#F7F7FC

surface

#EEEDF9

border

#C9C8D2

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2145B4

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

Preview Lab → · Contrast checker → · Palette generator →