#2251A5#2251A5

#2251A5 is a mid, vivid blue. Relative luminance 0.089; OKLCH L 45.2% C 0.145 H 261.0°. Best body text is #FFFFFF at 7.53:1 contrast (WCAG AA passes).

Color values

HEX	#2251A5
RGB	rgb(34, 81, 165)
HSL	hsl(218, 66%, 39%)
HSV	hsv(218, 79%, 65%)
CMYK	cmyk(79.4%, 50.9%, 0%, 35.3%)
CIE-LAB	lab(35.87, 15.51, -49.84)
CIE-LCH	lch(35.87, 52.20, 287.28°)
OKLab	oklab(45.23% -0.0228 -0.1434)
OKLCH	oklch(45.23% 0.145 261)
XYZ	xyz(10.3912, 8.9403, 36.7680)
Luminance	0.0894 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2251A5 #A57622

analogous

#2293A5 #2251A5 #3522A5

triadic

#2251A5 #A52251 #51A522

tetradic

#2251A5 #A52293 #A57622 #22A535

square

#2251A5 #A52293 #A57622 #22A535

split-complementary

#2251A5 #A53522 #93A522

monochromatic

#0D1F40 #183872 #2251A5 #306BD4 #638FDF

Accessibility & contrast

On white

7.53

#2251A5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.79

#2251A5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2251A5

7.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2251A5	#FFFFFF	#000000	##FFFFFF
##2251A5	1.00	7.53	2.79	7.53
#FFFFFF	7.53	1.00	21.00	1.00
#000000	2.79	21.00	1.00	21.00
##FFFFFF	7.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D5BA8

Deuteranopia (green-blind)

#004FA3

Tritanopia (blue-blind)

#006573

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #2251a5;
/* rgb */ color: rgb(34, 81, 165);
/* oklch */ color: oklch(45.2% 0.145 261.0);

Tailwind

colors: {
  custom: {
    50: '#7281c0',
    500: '#2251a5',
    950: '#000000',
  },
}

SCSS

$custom: #2251a5;
$custom-light: #7281c0;
$custom-dark: #000000;

JSON

{
  "hex": "#2251a5",
  "rgb": {
    "r": 34,
    "g": 81,
    "b": 165
  },
  "hsl": {
    "h": 218.473,
    "s": 65.829,
    "l": 39.02
  },
  "oklch": {
    "l": 0.45229,
    "c": 0.14525,
    "h": 261
  },
  "luminance": 0.08942
}

Semantic roles & 50–950 ramp

primary

#2251A5

secondary

#C4A05F

accent

#AC3FE9

background

#F7F7FB

surface

#EDEEF7

border

#C8C9D0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #2251A5

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

Preview Lab → · Contrast checker → · Palette generator →