#2553BA#2553BA

#2553BA is a mid, vivid blue. Relative luminance 0.101; OKLCH L 47.4% C 0.171 H 263.2°. Best body text is #FFFFFF at 6.94:1 contrast (WCAG AA passes).

Color values

HEX	#2553BA
RGB	rgb(37, 83, 186)
HSL	hsl(221, 67%, 44%)
HSV	hsv(221, 80%, 73%)
CMYK	cmyk(80.1%, 55.4%, 0%, 27.1%)
CIE-LAB	lab(38.06, 22.69, -58.72)
CIE-LCH	lch(38.06, 62.95, 291.13°)
OKLab	oklab(47.41% -0.0201 -0.1694)
OKLCH	oklch(47.41% 0.171 263.2)
XYZ	xyz(12.7160, 10.1235, 47.7287)
Luminance	0.1013 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2553BA #BA8C25

analogous

#259DBA #2553BA #4225BA

triadic

#2553BA #BA2553 #53BA25

tetradic

#2553BA #BA259D #BA8C25 #25BA42

square

#2553BA #BA259D #BA8C25 #25BA42

split-complementary

#2553BA #BA4225 #9DBA25

monochromatic

#112554 #1B3C87 #2553BA #4371DA #7698E4

Accessibility & contrast

On white

6.94

#2553BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.03

#2553BA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2553BA

6.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2553BA	#FFFFFF	#000000	##FFFFFF
##2553BA	1.00	6.94	3.03	6.94
#FFFFFF	6.94	1.00	21.00	1.00
#000000	3.03	21.00	1.00	21.00
##FFFFFF	6.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061BE

Deuteranopia (green-blind)

#0053B8

Tritanopia (blue-blind)

#006D7E

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #2553ba;
/* rgb */ color: rgb(37, 83, 186);
/* oklch */ color: oklch(47.4% 0.171 263.2);

Tailwind

colors: {
  custom: {
    50: '#7882cf',
    500: '#2553ba',
    950: '#000000',
  },
}

SCSS

$custom: #2553ba;
$custom-light: #7882cf;
$custom-dark: #000000;

JSON

{
  "hex": "#2553ba",
  "rgb": {
    "r": 37,
    "g": 83,
    "b": 186
  },
  "hsl": {
    "h": 221.477,
    "s": 66.816,
    "l": 43.725
  },
  "oklch": {
    "l": 0.47411,
    "c": 0.17063,
    "h": 263.2
  },
  "luminance": 0.10125
}

Semantic roles & 50–950 ramp

primary

#2553BA

secondary

#CBAF70

accent

#B53EEA

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0A0A14

muted

#7C7C82

Preview Lab

Preview with #2553BA

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

Preview Lab → · Contrast checker → · Palette generator →