#2257A9#2257A9

#2257A9 is a mid, vivid blue. Relative luminance 0.100; OKLCH L 46.9% C 0.143 H 259.1°. Best body text is #FFFFFF at 6.99:1 contrast (WCAG AA passes).

Color values

HEX	#2257A9
RGB	rgb(34, 87, 169)
HSL	hsl(216, 67%, 40%)
HSV	hsv(216, 80%, 66%)
CMYK	cmyk(79.9%, 48.5%, 0%, 33.7%)
CIE-LAB	lab(37.88, 13.09, -48.99)
CIE-LCH	lch(37.88, 50.71, 284.96°)
OKLab	oklab(46.86% -0.027 -0.1408)
OKLCH	oklch(46.86% 0.143 259.1)
XYZ	xyz(11.2267, 10.0197, 38.8707)
Luminance	0.1002 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2257A9 #A97422

analogous

#229BA9 #2257A9 #3022A9

triadic

#2257A9 #A92257 #57A922

tetradic

#2257A9 #A9229B #A97422 #22A930

square

#2257A9 #A9229B #A97422 #22A930

split-complementary

#2257A9 #A93022 #9BA922

monochromatic

#0D2343 #183D76 #2257A9 #3273D6 #6596E0

Accessibility & contrast

On white

6.99

#2257A9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.00

#2257A9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2257A9

6.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2257A9	#FFFFFF	#000000	##FFFFFF
##2257A9	1.00	6.99	3.00	6.99
#FFFFFF	6.99	1.00	21.00	1.00
#000000	3.00	21.00	1.00	21.00
##FFFFFF	6.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2860AC

Deuteranopia (green-blind)

#0053A7

Tritanopia (blue-blind)

#006B78

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #2257a9;
/* rgb */ color: rgb(34, 87, 169);
/* oklch */ color: oklch(46.9% 0.143 259.1);

Tailwind

colors: {
  custom: {
    50: '#7385c3',
    500: '#2257a9',
    950: '#000000',
  },
}

SCSS

$custom: #2257a9;
$custom-light: #7385c3;
$custom-dark: #000000;

JSON

{
  "hex": "#2257a9",
  "rgb": {
    "r": 34,
    "g": 87,
    "b": 169
  },
  "hsl": {
    "h": 216.444,
    "s": 66.502,
    "l": 39.804
  },
  "oklch": {
    "l": 0.46857,
    "c": 0.14335,
    "h": 259.1
  },
  "luminance": 0.10021
}

Semantic roles & 50–950 ramp

primary

#2257A9

secondary

#C59E61

accent

#A63EE9

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #2257A9

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

Preview Lab → · Contrast checker → · Palette generator →