#2257AD#2257AD

#2257AD is a mid, vivid blue. Relative luminance 0.102; OKLCH L 47.2% C 0.149 H 259.8°. Best body text is #FFFFFF at 6.92:1 contrast (WCAG AA passes).

Color values

HEX	#2257AD
RGB	rgb(34, 87, 173)
HSL	hsl(217, 67%, 41%)
HSV	hsv(217, 80%, 68%)
CMYK	cmyk(80.3%, 49.7%, 0%, 32.2%)
CIE-LAB	lab(38.15, 14.67, -50.92)
CIE-LCH	lch(38.15, 52.99, 286.07°)
OKLab	oklab(47.15% -0.0264 -0.1465)
OKLCH	oklch(47.15% 0.149 259.8)
XYZ	xyz(11.6080, 10.1722, 40.8787)
Luminance	0.1017 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2257AD #AD7822

analogous

#229CAD #2257AD #3222AD

triadic

#2257AD #AD2257 #57AD22

tetradic

#2257AD #AD229C #AD7822 #22AD32

square

#2257AD #AD229C #AD7822 #22AD32

split-complementary

#2257AD #AD3222 #9CAD22

monochromatic

#0E2447 #183D7A #2257AD #3573D7 #6896E1

Accessibility & contrast

On white

6.92

#2257AD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.03

#2257AD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2257AD

6.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2257AD	#FFFFFF	#000000	##FFFFFF
##2257AD	1.00	6.92	3.03	6.92
#FFFFFF	6.92	1.00	21.00	1.00
#000000	3.03	21.00	1.00	21.00
##FFFFFF	6.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2360B0

Deuteranopia (green-blind)

#0054AB

Tritanopia (blue-blind)

#006C7A

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #2257ad;
/* rgb */ color: rgb(34, 87, 173);
/* oklch */ color: oklch(47.2% 0.149 259.8);

Tailwind

colors: {
  custom: {
    50: '#7485c6',
    500: '#2257ad',
    950: '#000000',
  },
}

SCSS

$custom: #2257ad;
$custom-light: #7485c6;
$custom-dark: #000000;

JSON

{
  "hex": "#2257ad",
  "rgb": {
    "r": 34,
    "g": 87,
    "b": 173
  },
  "hsl": {
    "h": 217.122,
    "s": 67.15,
    "l": 40.588
  },
  "oklch": {
    "l": 0.47153,
    "c": 0.14884,
    "h": 259.8
  },
  "luminance": 0.10174
}

Semantic roles & 50–950 ramp

primary

#2257AD

secondary

#C7A164

accent

#A83EEA

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2257AD

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

Preview Lab → · Contrast checker → · Palette generator →