#2257AC#2257AC

#2257AC is a mid, vivid blue. Relative luminance 0.101; OKLCH L 47.1% C 0.147 H 259.6°. Best body text is #FFFFFF at 6.94:1 contrast (WCAG AA passes).

Color values

HEX	#2257AC
RGB	rgb(34, 87, 172)
HSL	hsl(217, 67%, 40%)
HSV	hsv(217, 80%, 67%)
CMYK	cmyk(80.2%, 49.4%, 0%, 32.5%)
CIE-LAB	lab(38.08, 14.27, -50.44)
CIE-LCH	lch(38.08, 52.42, 285.80°)
OKLab	oklab(47.08% -0.0265 -0.1451)
OKLCH	oklch(47.08% 0.147 259.6)
XYZ	xyz(11.5116, 10.1337, 40.3710)
Luminance	0.1013 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2257AC #AC7722

analogous

#229CAC #2257AC #3222AC

triadic

#2257AC #AC2257 #57AC22

tetradic

#2257AC #AC229C #AC7722 #22AC32

square

#2257AC #AC229C #AC7722 #22AC32

split-complementary

#2257AC #AC3222 #9CAC22

monochromatic

#0E2346 #183D79 #2257AC #3473D7 #6796E1

Accessibility & contrast

On white

6.94

#2257AC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.03

#2257AC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2257AC

6.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2257AC	#FFFFFF	#000000	##FFFFFF
##2257AC	1.00	6.94	3.03	6.94
#FFFFFF	6.94	1.00	21.00	1.00
#000000	3.03	21.00	1.00	21.00
##FFFFFF	6.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2560AF

Deuteranopia (green-blind)

#0054AA

Tritanopia (blue-blind)

#006B79

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #2257ac;
/* rgb */ color: rgb(34, 87, 172);
/* oklch */ color: oklch(47.1% 0.147 259.6);

Tailwind

colors: {
  custom: {
    50: '#7385c5',
    500: '#2257ac',
    950: '#000000',
  },
}

SCSS

$custom: #2257ac;
$custom-light: #7385c5;
$custom-dark: #000000;

JSON

{
  "hex": "#2257ac",
  "rgb": {
    "r": 34,
    "g": 87,
    "b": 172
  },
  "hsl": {
    "h": 216.957,
    "s": 66.99,
    "l": 40.392
  },
  "oklch": {
    "l": 0.47078,
    "c": 0.14747,
    "h": 259.6
  },
  "luminance": 0.10135
}

Semantic roles & 50–950 ramp

primary

#2257AC

secondary

#C7A063

accent

#A83EEA

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#090B13

muted

#7B7C82

Preview Lab

Preview with #2257AC

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

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