#2259BB#2259BB

#2259BB is a mid, vivid blue. Relative luminance 0.111; OKLCH L 48.7% C 0.165 H 260.9°. Best body text is #FFFFFF at 6.53:1 contrast (WCAG AA passes).

Color values

HEX	#2259BB
RGB	rgb(34, 89, 187)
HSL	hsl(218, 69%, 43%)
HSV	hsv(218, 82%, 73%)
CMYK	cmyk(81.8%, 52.4%, 0%, 26.7%)
CIE-LAB	lab(39.70, 18.83, -56.65)
CIE-LCH	lch(39.70, 59.70, 288.39°)
OKLab	oklab(48.65% -0.026 -0.1633)
OKLCH	oklch(48.65% 0.165 260.9)
XYZ	xyz(13.1985, 11.0711, 48.4454)
Luminance	0.1107 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2259BB #BB8422

analogous

#22A5BB #2259BB #3722BB

triadic

#2259BB #BB2259 #59BB22

tetradic

#2259BB #BB22A5 #BB8422 #22BB37

square

#2259BB #BB22A5 #BB8422 #22BB37

split-complementary

#2259BB #BB3722 #A5BB22

monochromatic

#0F2853 #194087 #2259BB #3E77DC #729BE5

Accessibility & contrast

On white

6.53

#2259BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#2259BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2259BB

6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2259BB	#FFFFFF	#000000	##FFFFFF
##2259BB	1.00	6.53	3.21	6.53
#FFFFFF	6.53	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1165BE

Deuteranopia (green-blind)

#0057B9

Tritanopia (blue-blind)

#007181

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #2259bb;
/* rgb */ color: rgb(34, 89, 187);
/* oklch */ color: oklch(48.7% 0.165 260.9);

Tailwind

colors: {
  custom: {
    50: '#7787d0',
    500: '#2259bb',
    950: '#000000',
  },
}

SCSS

$custom: #2259bb;
$custom-light: #7787d0;
$custom-dark: #000000;

JSON

{
  "hex": "#2259bb",
  "rgb": {
    "r": 34,
    "g": 89,
    "b": 187
  },
  "hsl": {
    "h": 218.431,
    "s": 69.231,
    "l": 43.333
  },
  "oklch": {
    "l": 0.48651,
    "c": 0.16536,
    "h": 260.9
  },
  "luminance": 0.11073
}

Semantic roles & 50–950 ramp

primary

#2259BB

secondary

#CCAA6D

accent

#AD3CEC

background

#F7F8FC

surface

#EEEFF9

border

#C9CAD2

text

#0A0B14

muted

#7C7C82

Preview Lab

Preview with #2259BB

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

Preview Lab → · Contrast checker → · Palette generator →