#2257BD#2257BD

#2257BD is a mid, vivid blue. Relative luminance 0.108; OKLCH L 48.4% C 0.170 H 261.8°. Best body text is #FFFFFF at 6.63:1 contrast (WCAG AA passes).

Color values

HEX	#2257BD
RGB	rgb(34, 87, 189)
HSL	hsl(219, 70%, 44%)
HSV	hsv(219, 82%, 74%)
CMYK	cmyk(82%, 54%, 0%, 25.9%)
CIE-LAB	lab(39.29, 20.93, -58.48)
CIE-LCH	lch(39.29, 62.12, 289.69°)
OKLab	oklab(48.39% -0.0244 -0.1687)
OKLCH	oklch(48.39% 0.17 261.8)
XYZ	xyz(13.2499, 10.8290, 49.5261)
Luminance	0.1083 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2257BD #BD8822

analogous

#22A4BD #2257BD #3A22BD

triadic

#2257BD #BD2257 #57BD22

tetradic

#2257BD #BD22A4 #BD8822 #22BD3A

square

#2257BD #BD22A4 #BD8822 #22BD3A

split-complementary

#2257BD #BD3A22 #A4BD22

monochromatic

#0F2755 #193F89 #2257BD #4075DD #739BE6

Accessibility & contrast

On white

6.63

#2257BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#2257BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2257BD

6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2257BD	#FFFFFF	#000000	##FFFFFF
##2257BD	1.00	6.63	3.17	6.63
#FFFFFF	6.63	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064C1

Deuteranopia (green-blind)

#0056BB

Tritanopia (blue-blind)

#007081

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #2257bd;
/* rgb */ color: rgb(34, 87, 189);
/* oklch */ color: oklch(48.4% 0.170 261.8);

Tailwind

colors: {
  custom: {
    50: '#7885d2',
    500: '#2257bd',
    950: '#000000',
  },
}

SCSS

$custom: #2257bd;
$custom-light: #7885d2;
$custom-dark: #000000;

JSON

{
  "hex": "#2257bd",
  "rgb": {
    "r": 34,
    "g": 87,
    "b": 189
  },
  "hsl": {
    "h": 219.484,
    "s": 69.507,
    "l": 43.725
  },
  "oklch": {
    "l": 0.48386,
    "c": 0.17049,
    "h": 261.8
  },
  "luminance": 0.10831
}

Semantic roles & 50–950 ramp

primary

#2257BD

secondary

#CDAC6E

accent

#B03BEC

background

#F8F8FD

surface

#EFEFFA

border

#CACAD3

text

#0A0B14

muted

#7C7C83

Preview Lab

Preview with #2257BD

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

Preview Lab → · Contrast checker → · Palette generator →