#2145A8#2145A8

#2145A8 is a dark, vivid blue. Relative luminance 0.074; OKLCH L 42.9% C 0.165 H 264.9°. Best body text is #FFFFFF at 8.46:1 contrast (WCAG AA passes).

Color values

HEX	#2145A8
RGB	rgb(33, 69, 168)
HSL	hsl(224, 67%, 39%)
HSV	hsv(224, 80%, 66%)
CMYK	cmyk(80.4%, 58.9%, 0%, 34.1%)
CIE-LAB	lab(32.71, 24.65, -56.76)
CIE-LCH	lch(32.71, 61.88, 293.48°)
OKLab	oklab(42.9% -0.0146 -0.164)
OKLCH	oklch(42.9% 0.165 264.9)
XYZ	xyz(9.8207, 7.4056, 37.9500)
Luminance	0.0741 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2145A8 #A88421

analogous

#2189A8 #2145A8 #4121A8

triadic

#2145A8 #A82145 #45A821

tetradic

#2145A8 #A82189 #A88421 #21A841

square

#2145A8 #A82189 #A88421 #21A841

split-complementary

#2145A8 #A84121 #89A821

monochromatic

#0D1B42 #173075 #2145A8 #305CD6 #6384E0

Accessibility & contrast

On white

8.46

#2145A8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#2145A8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2145A8

8.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2145A8	#FFFFFF	#000000	##FFFFFF
##2145A8	1.00	8.46	2.48	8.46
#FFFFFF	8.46	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053AB

Deuteranopia (green-blind)

#0047A6

Tritanopia (blue-blind)

#005E6F

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #2145a8;
/* rgb */ color: rgb(33, 69, 168);
/* oklch */ color: oklch(42.9% 0.165 264.9);

Tailwind

colors: {
  custom: {
    50: '#7378c3',
    500: '#2145a8',
    950: '#000000',
  },
}

SCSS

$custom: #2145a8;
$custom-light: #7378c3;
$custom-dark: #000000;

JSON

{
  "hex": "#2145a8",
  "rgb": {
    "r": 33,
    "g": 69,
    "b": 168
  },
  "hsl": {
    "h": 224,
    "s": 67.164,
    "l": 39.412
  },
  "oklch": {
    "l": 0.42902,
    "c": 0.16466,
    "h": 264.9
  },
  "luminance": 0.07407
}

Semantic roles & 50–950 ramp

primary

#2145A8

secondary

#C5AA5F

accent

#BC3EEA

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#090813

muted

#7B7B82

Preview Lab

Preview with #2145A8

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

Preview Lab → · Contrast checker → · Palette generator →