#2153AD#2153AD

#2153AD is a mid, vivid blue. Relative luminance 0.095; OKLCH L 46.2% C 0.154 H 261.0°. Best body text is #FFFFFF at 7.23:1 contrast (WCAG AA passes).

Color values

HEX	#2153AD
RGB	rgb(33, 83, 173)
HSL	hsl(219, 68%, 40%)
HSV	hsv(219, 81%, 68%)
CMYK	cmyk(80.9%, 52%, 0%, 32.2%)
CIE-LAB	lab(36.98, 17.22, -52.82)
CIE-LCH	lch(36.98, 55.55, 288.06°)
OKLab	oklab(46.25% -0.024 -0.1522)
OKLCH	oklch(46.25% 0.154 261)
XYZ	xyz(11.2605, 9.5256, 40.7722)
Luminance	0.0953 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2153AD #AD7B21

analogous

#2199AD #2153AD #3521AD

triadic

#2153AD #AD2153 #53AD21

tetradic

#2153AD #AD2199 #AD7B21 #21AD35

square

#2153AD #AD2199 #AD7B21 #21AD35

split-complementary

#2153AD #AD3521 #99AD21

monochromatic

#0D2246 #173A7A #2153AD #336ED8 #6693E2

Accessibility & contrast

On white

7.23

#2153AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.91

#2153AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2153AD

7.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2153AD	#FFFFFF	#000000	##FFFFFF
##2153AD	1.00	7.23	2.91	7.23
#FFFFFF	7.23	1.00	21.00	1.00
#000000	2.91	21.00	1.00	21.00
##FFFFFF	7.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#155EB0

Deuteranopia (green-blind)

#0051AB

Tritanopia (blue-blind)

#006978

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #2153ad;
/* rgb */ color: rgb(33, 83, 173);
/* oklch */ color: oklch(46.2% 0.154 261.0);

Tailwind

colors: {
  custom: {
    50: '#7482c6',
    500: '#2153ad',
    950: '#000000',
  },
}

SCSS

$custom: #2153ad;
$custom-light: #7482c6;
$custom-dark: #000000;

JSON

{
  "hex": "#2153ad",
  "rgb": {
    "r": 33,
    "g": 83,
    "b": 173
  },
  "hsl": {
    "h": 218.571,
    "s": 67.961,
    "l": 40.392
  },
  "oklch": {
    "l": 0.46247,
    "c": 0.15404,
    "h": 261
  },
  "luminance": 0.09527
}

Semantic roles & 50–950 ramp

primary

#2153AD

secondary

#C7A362

accent

#AD3DEB

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #2153AD

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

Preview Lab → · Contrast checker → · Palette generator →