#2257A6#2257A6

#2257A6 is a mid, vivid blue. Relative luminance 0.099; OKLCH L 46.6% C 0.139 H 258.6°. Best body text is #FFFFFF at 7.04:1 contrast (WCAG AA passes).

Color values

HEX	#2257A6
RGB	rgb(34, 87, 166)
HSL	hsl(216, 66%, 39%)
HSV	hsv(216, 80%, 65%)
CMYK	cmyk(79.5%, 47.6%, 0%, 34.9%)
CIE-LAB	lab(37.68, 11.91, -47.52)
CIE-LCH	lch(37.68, 48.99, 284.07°)
OKLab	oklab(46.64% -0.0275 -0.1365)
OKLCH	oklch(46.64% 0.139 258.6)
XYZ	xyz(10.9483, 9.9084, 37.4045)
Luminance	0.0991 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2257A6 #A67122

analogous

#2299A6 #2257A6 #2F22A6

triadic

#2257A6 #A62257 #57A622

tetradic

#2257A6 #A62299 #A67122 #22A62F

square

#2257A6 #A62299 #A67122 #22A62F

split-complementary

#2257A6 #A62F22 #99A622

monochromatic

#0D2240 #183C73 #2257A6 #3072D5 #6395DF

Accessibility & contrast

On white

7.04

#2257A6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.98

#2257A6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2257A6

7.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2257A6	#FFFFFF	#000000	##FFFFFF
##2257A6	1.00	7.04	2.98	7.04
#FFFFFF	7.04	1.00	21.00	1.00
#000000	2.98	21.00	1.00	21.00
##FFFFFF	7.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B5FA9

Deuteranopia (green-blind)

#0353A4

Tritanopia (blue-blind)

#006A76

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #2257a6;
/* rgb */ color: rgb(34, 87, 166);
/* oklch */ color: oklch(46.6% 0.139 258.6);

Tailwind

colors: {
  custom: {
    50: '#7285c1',
    500: '#2257a6',
    950: '#000000',
  },
}

SCSS

$custom: #2257a6;
$custom-light: #7285c1;
$custom-dark: #000000;

JSON

{
  "hex": "#2257a6",
  "rgb": {
    "r": 34,
    "g": 87,
    "b": 166
  },
  "hsl": {
    "h": 215.909,
    "s": 66,
    "l": 39.216
  },
  "oklch": {
    "l": 0.46639,
    "c": 0.13923,
    "h": 258.6
  },
  "luminance": 0.0991
}

Semantic roles & 50–950 ramp

primary

#2257A6

secondary

#C49C5F

accent

#A53FE9

background

#F7F8FB

surface

#EDEFF7

border

#C8CAD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #2257A6

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

Preview Lab → · Contrast checker → · Palette generator →