#2359BA#2359BA

#2359BA is a mid, vivid blue. Relative luminance 0.110; OKLCH L 48.6% C 0.164 H 261.0°. Best body text is #FFFFFF at 6.54:1 contrast (WCAG AA passes).

Color values

HEX	#2359BA
RGB	rgb(35, 89, 186)
HSL	hsl(219, 68%, 43%)
HSV	hsv(219, 81%, 73%)
CMYK	cmyk(81.2%, 52.2%, 0%, 27.1%)
CIE-LAB	lab(39.66, 18.54, -56.13)
CIE-LCH	lch(39.66, 59.11, 288.28°)
OKLab	oklab(48.6% -0.0255 -0.1618)
OKLCH	oklch(48.6% 0.164 261)
XYZ	xyz(13.1252, 11.0457, 47.8851)
Luminance	0.1105 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2359BA #BA8423

analogous

#23A4BA #2359BA #3823BA

triadic

#2359BA #BA2359 #59BA23

tetradic

#2359BA #BA23A4 #BA8423 #23BA38

square

#2359BA #BA23A4 #BA8423 #23BA38

split-complementary

#2359BA #BA3823 #A4BA23

monochromatic

#102853 #194086 #2359BA #3F77DB #739BE5

Accessibility & contrast

On white

6.54

#2359BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#2359BA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2359BA

6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2359BA	#FFFFFF	#000000	##FFFFFF
##2359BA	1.00	6.54	3.21	6.54
#FFFFFF	6.54	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1465BD

Deuteranopia (green-blind)

#0057B8

Tritanopia (blue-blind)

#007181

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #2359ba;
/* rgb */ color: rgb(35, 89, 186);
/* oklch */ color: oklch(48.6% 0.164 261.0);

Tailwind

colors: {
  custom: {
    50: '#7787cf',
    500: '#2359ba',
    950: '#000000',
  },
}

SCSS

$custom: #2359ba;
$custom-light: #7787cf;
$custom-dark: #000000;

JSON

{
  "hex": "#2359ba",
  "rgb": {
    "r": 35,
    "g": 89,
    "b": 186
  },
  "hsl": {
    "h": 218.543,
    "s": 68.326,
    "l": 43.333
  },
  "oklch": {
    "l": 0.48604,
    "c": 0.16377,
    "h": 261
  },
  "luminance": 0.11047
}

Semantic roles & 50–950 ramp

primary

#2359BA

secondary

#CCAA6D

accent

#AD3DEB

background

#F7F8FC

surface

#EEEFF9

border

#C9CAD2

text

#0A0B14

muted

#7C7C82

Preview Lab

Preview with #2359BA

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

Preview Lab → · Contrast checker → · Palette generator →