#2257AA#2257AA

#2257AA is a mid, vivid blue. Relative luminance 0.101; OKLCH L 46.9% C 0.145 H 259.3°. Best body text is #FFFFFF at 6.97:1 contrast (WCAG AA passes).

Color values

HEX	#2257AA
RGB	rgb(34, 87, 170)
HSL	hsl(217, 67%, 40%)
HSV	hsv(217, 80%, 67%)
CMYK	cmyk(80%, 48.8%, 0%, 33.3%)
CIE-LAB	lab(37.95, 13.49, -49.47)
CIE-LCH	lch(37.95, 51.28, 285.25°)
OKLab	oklab(46.93% -0.0268 -0.1422)
OKLCH	oklch(46.93% 0.145 259.3)
XYZ	xyz(11.3209, 10.0574, 39.3670)
Luminance	0.1006 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2257AA #AA7522

analogous

#229BAA #2257AA #3122AA

triadic

#2257AA #AA2257 #57AA22

tetradic

#2257AA #AA229B #AA7522 #22AA31

square

#2257AA #AA229B #AA7522 #22AA31

split-complementary

#2257AA #AA3122 #9BAA22

monochromatic

#0E2344 #183D77 #2257AA #3373D6 #6696E0

Accessibility & contrast

On white

6.97

#2257AA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.01

#2257AA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2257AA

6.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2257AA	#FFFFFF	#000000	##FFFFFF
##2257AA	1.00	6.97	3.01	6.97
#FFFFFF	6.97	1.00	21.00	1.00
#000000	3.01	21.00	1.00	21.00
##FFFFFF	6.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2760AD

Deuteranopia (green-blind)

#0054A8

Tritanopia (blue-blind)

#006B78

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #2257aa;
/* rgb */ color: rgb(34, 87, 170);
/* oklch */ color: oklch(46.9% 0.145 259.3);

Tailwind

colors: {
  custom: {
    50: '#7385c4',
    500: '#2257aa',
    950: '#000000',
  },
}

SCSS

$custom: #2257aa;
$custom-light: #7385c4;
$custom-dark: #000000;

JSON

{
  "hex": "#2257aa",
  "rgb": {
    "r": 34,
    "g": 87,
    "b": 170
  },
  "hsl": {
    "h": 216.618,
    "s": 66.667,
    "l": 40
  },
  "oklch": {
    "l": 0.4693,
    "c": 0.14473,
    "h": 259.3
  },
  "luminance": 0.10059
}

Semantic roles & 50–950 ramp

primary

#2257AA

secondary

#C69F62

accent

#A73EEA

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#090B13

muted

#7B7C82

Preview Lab

Preview with #2257AA

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

Preview Lab → · Contrast checker → · Palette generator →