#2153BA#2153BA

#2153BA is a mid, vivid blue. Relative luminance 0.101; OKLCH L 47.3% C 0.172 H 262.4°. Best body text is #FFFFFF at 6.97:1 contrast (WCAG AA passes).

Color values

HEX	#2153BA
RGB	rgb(33, 83, 186)
HSL	hsl(220, 70%, 43%)
HSV	hsv(220, 82%, 73%)
CMYK	cmyk(82.3%, 55.4%, 0%, 27.1%)
CIE-LAB	lab(37.94, 22.32, -58.92)
CIE-LCH	lch(37.94, 63.01, 290.75°)
OKLab	oklab(47.28% -0.0226 -0.1701)
OKLCH	oklch(47.28% 0.172 262.4)
XYZ	xyz(12.5802, 10.0535, 47.7223)
Luminance	0.1006 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2153BA #BA8821

analogous

#219FBA #2153BA #3B21BA

triadic

#2153BA #BA2153 #53BA21

tetradic

#2153BA #BA219F #BA8821 #21BA3B

square

#2153BA #BA219F #BA8821 #21BA3B

split-complementary

#2153BA #BA3B21 #9FBA21

monochromatic

#0F2552 #183C86 #2153BA #3C70DC #7096E6

Accessibility & contrast

On white

6.97

#2153BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.01

#2153BA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2153BA

6.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2153BA	#FFFFFF	#000000	##FFFFFF
##2153BA	1.00	6.97	3.01	6.97
#FFFFFF	6.97	1.00	21.00	1.00
#000000	3.01	21.00	1.00	21.00
##FFFFFF	6.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061BE

Deuteranopia (green-blind)

#0053B8

Tritanopia (blue-blind)

#006D7E

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #2153ba;
/* rgb */ color: rgb(33, 83, 186);
/* oklch */ color: oklch(47.3% 0.172 262.4);

Tailwind

colors: {
  custom: {
    50: '#7782d0',
    500: '#2153ba',
    950: '#000000',
  },
}

SCSS

$custom: #2153ba;
$custom-light: #7782d0;
$custom-dark: #000000;

JSON

{
  "hex": "#2153ba",
  "rgb": {
    "r": 33,
    "g": 83,
    "b": 186
  },
  "hsl": {
    "h": 220.392,
    "s": 69.863,
    "l": 42.941
  },
  "oklch": {
    "l": 0.47281,
    "c": 0.17162,
    "h": 262.4
  },
  "luminance": 0.10055
}

Semantic roles & 50–950 ramp

primary

#2153BA

secondary

#CCAC6B

accent

#B33BED

background

#F7F7FC

surface

#EEEEF9

border

#C9C9D2

text

#0A0A14

muted

#7C7C82

Preview Lab

Preview with #2153BA

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

Preview Lab → · Contrast checker → · Palette generator →