#2251B1#2251B1

#2251B1 is a mid, vivid blue. Relative luminance 0.094; OKLCH L 46.2% C 0.162 H 262.4°. Best body text is #FFFFFF at 7.29:1 contrast (WCAG AA passes).

Color values

HEX	#2251B1
RGB	rgb(34, 81, 177)
HSL	hsl(220, 68%, 41%)
HSV	hsv(220, 81%, 69%)
CMYK	cmyk(80.8%, 54.2%, 0%, 30.6%)
CIE-LAB	lab(36.74, 20.23, -55.57)
CIE-LCH	lch(36.74, 59.13, 290.00°)
OKLab	oklab(46.17% -0.0214 -0.1603)
OKLCH	oklch(46.17% 0.162 262.4)
XYZ	xyz(11.5351, 9.3979, 42.7925)
Luminance	0.0940 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2251B1 #B18222

analogous

#2299B1 #2251B1 #3B22B1

triadic

#2251B1 #B12251 #51B122

tetradic

#2251B1 #B12299 #B18222 #22B13B

square

#2251B1 #B12299 #B18222 #22B13B

split-complementary

#2251B1 #B13B22 #99B122

monochromatic

#0E224A #183A7E #2251B1 #386CD9 #6B92E3

Accessibility & contrast

On white

7.29

#2251B1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.88

#2251B1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2251B1

7.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2251B1	#FFFFFF	#000000	##FFFFFF
##2251B1	1.00	7.29	2.88	7.29
#FFFFFF	7.29	1.00	21.00	1.00
#000000	2.88	21.00	1.00	21.00
##FFFFFF	7.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DB4

Deuteranopia (green-blind)

#0050AF

Tritanopia (blue-blind)

#006979

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #2251b1;
/* rgb */ color: rgb(34, 81, 177);
/* oklch */ color: oklch(46.2% 0.162 262.4);

Tailwind

colors: {
  custom: {
    50: '#7581c9',
    500: '#2251b1',
    950: '#000000',
  },
}

SCSS

$custom: #2251b1;
$custom-light: #7581c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2251b1",
  "rgb": {
    "r": 34,
    "g": 81,
    "b": 177
  },
  "hsl": {
    "h": 220.28,
    "s": 67.773,
    "l": 41.373
  },
  "oklch": {
    "l": 0.46168,
    "c": 0.16171,
    "h": 262.4
  },
  "luminance": 0.09399
}

Semantic roles & 50–950 ramp

primary

#2251B1

secondary

#C9A866

accent

#B23DEB

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #2251B1

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

Preview Lab → · Contrast checker → · Palette generator →