#2153B4#2153B4

#2153B4 is a mid, vivid blue. Relative luminance 0.098; OKLCH L 46.8% C 0.164 H 261.8°. Best body text is #FFFFFF at 7.09:1 contrast (WCAG AA passes).

Color values

HEX	#2153B4
RGB	rgb(33, 83, 180)
HSL	hsl(220, 69%, 42%)
HSV	hsv(220, 82%, 71%)
CMYK	cmyk(81.7%, 53.9%, 0%, 29.4%)
CIE-LAB	lab(37.49, 19.97, -56.13)
CIE-LCH	lch(37.49, 59.57, 289.59°)
OKLab	oklab(46.8% -0.0232 -0.1619)
OKLCH	oklch(46.8% 0.164 261.8)
XYZ	xyz(11.9557, 9.8037, 44.4333)
Luminance	0.0980 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2153B4 #B48221

analogous

#219DB4 #2153B4 #3921B4

triadic

#2153B4 #B42153 #53B421

tetradic

#2153B4 #B4219D #B48221 #21B439

square

#2153B4 #B4219D #B48221 #21B439

split-complementary

#2153B4 #B43921 #9DB421

monochromatic

#0E234D #183B80 #2153B4 #386FDA #6B94E4

Accessibility & contrast

On white

7.09

#2153B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.96

#2153B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2153B4

7.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2153B4	#FFFFFF	#000000	##FFFFFF
##2153B4	1.00	7.09	2.96	7.09
#FFFFFF	7.09	1.00	21.00	1.00
#000000	2.96	21.00	1.00	21.00
##FFFFFF	7.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FB7

Deuteranopia (green-blind)

#0052B2

Tritanopia (blue-blind)

#006B7B

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #2153b4;
/* rgb */ color: rgb(33, 83, 180);
/* oklch */ color: oklch(46.8% 0.164 261.8);

Tailwind

colors: {
  custom: {
    50: '#7582cb',
    500: '#2153b4',
    950: '#000000',
  },
}

SCSS

$custom: #2153b4;
$custom-light: #7582cb;
$custom-dark: #000000;

JSON

{
  "hex": "#2153b4",
  "rgb": {
    "r": 33,
    "g": 83,
    "b": 180
  },
  "hsl": {
    "h": 219.592,
    "s": 69.014,
    "l": 41.765
  },
  "oklch": {
    "l": 0.46798,
    "c": 0.16355,
    "h": 261.8
  },
  "luminance": 0.09805
}

Semantic roles & 50–950 ramp

primary

#2153B4

secondary

#CAA867

accent

#B03CEC

background

#F7F7FC

surface

#EEEEF9

border

#C9C9D2

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #2153B4

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

Preview Lab → · Contrast checker → · Palette generator →