#2253BB#2253BB

#2253BB is a mid, vivid blue. Relative luminance 0.101; OKLCH L 47.4% C 0.173 H 262.7°. Best body text is #FFFFFF at 6.95:1 contrast (WCAG AA passes).

Color values

HEX	#2253BB
RGB	rgb(34, 83, 187)
HSL	hsl(221, 69%, 43%)
HSV	hsv(221, 82%, 73%)
CMYK	cmyk(81.8%, 55.6%, 0%, 26.7%)
CIE-LAB	lab(38.04, 22.80, -59.34)
CIE-LCH	lch(38.04, 63.57, 291.02°)
OKLab	oklab(47.39% -0.0219 -0.1713)
OKLCH	oklch(47.39% 0.173 262.7)
XYZ	xyz(12.7194, 10.1129, 48.2857)
Luminance	0.1011 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2253BB #BB8A22

analogous

#229FBB #2253BB #3D22BB

triadic

#2253BB #BB2253 #53BB22

tetradic

#2253BB #BB229F #BB8A22 #22BB3D

square

#2253BB #BB229F #BB8A22 #22BB3D

split-complementary

#2253BB #BB3D22 #9FBB22

monochromatic

#0F2553 #193C87 #2253BB #3E71DC #7297E5

Accessibility & contrast

On white

6.95

#2253BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.02

#2253BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2253BB

6.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2253BB	#FFFFFF	#000000	##FFFFFF
##2253BB	1.00	6.95	3.02	6.95
#FFFFFF	6.95	1.00	21.00	1.00
#000000	3.02	21.00	1.00	21.00
##FFFFFF	6.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061BF

Deuteranopia (green-blind)

#0053B9

Tritanopia (blue-blind)

#006D7F

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #2253bb;
/* rgb */ color: rgb(34, 83, 187);
/* oklch */ color: oklch(47.4% 0.173 262.7);

Tailwind

colors: {
  custom: {
    50: '#7782d0',
    500: '#2253bb',
    950: '#000000',
  },
}

SCSS

$custom: #2253bb;
$custom-light: #7782d0;
$custom-dark: #000000;

JSON

{
  "hex": "#2253bb",
  "rgb": {
    "r": 34,
    "g": 83,
    "b": 187
  },
  "hsl": {
    "h": 220.784,
    "s": 69.231,
    "l": 43.333
  },
  "oklch": {
    "l": 0.47394,
    "c": 0.17272,
    "h": 262.7
  },
  "luminance": 0.10114
}

Semantic roles & 50–950 ramp

primary

#2253BB

secondary

#CCAE6D

accent

#B43CEC

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0A0A14

muted

#7C7C82

Preview Lab

Preview with #2253BB

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

Preview Lab → · Contrast checker → · Palette generator →