#2359A9#2359A9

#2359A9 is a mid, vivid blue. Relative luminance 0.104; OKLCH L 47.3% C 0.141 H 258.5°. Best body text is #FFFFFF at 6.83:1 contrast (WCAG AA passes).

Color values

HEX	#2359A9
RGB	rgb(35, 89, 169)
HSL	hsl(216, 66%, 40%)
HSV	hsv(216, 79%, 66%)
CMYK	cmyk(79.3%, 47.3%, 0%, 33.7%)
CIE-LAB	lab(38.49, 11.88, -48.00)
CIE-LCH	lch(38.49, 49.45, 283.91°)
OKLab	oklab(47.34% -0.028 -0.1378)
OKLCH	oklch(47.34% 0.141 258.5)
XYZ	xyz(11.4243, 10.3653, 38.9270)
Luminance	0.1037 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2359A9 #A97323

analogous

#239CA9 #2359A9 #3023A9

triadic

#2359A9 #A92359 #59A923

tetradic

#2359A9 #A9239C #A97323 #23A930

square

#2359A9 #A9239C #A97323 #23A930

split-complementary

#2359A9 #A93023 #9CA923

monochromatic

#0E2444 #193E76 #2359A9 #3475D5 #6797DF

Accessibility & contrast

On white

6.83

#2359A9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.07

#2359A9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2359A9

6.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2359A9	#FFFFFF	#000000	##FFFFFF
##2359A9	1.00	6.83	3.07	6.83
#FFFFFF	6.83	1.00	21.00	1.00
#000000	3.07	21.00	1.00	21.00
##FFFFFF	6.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D61AC

Deuteranopia (green-blind)

#0655A7

Tritanopia (blue-blind)

#006C79

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #2359a9;
/* rgb */ color: rgb(35, 89, 169);
/* oklch */ color: oklch(47.3% 0.141 258.5);

Tailwind

colors: {
  custom: {
    50: '#7387c3',
    500: '#2359a9',
    950: '#000000',
  },
}

SCSS

$custom: #2359a9;
$custom-light: #7387c3;
$custom-dark: #000000;

JSON

{
  "hex": "#2359a9",
  "rgb": {
    "r": 35,
    "g": 89,
    "b": 169
  },
  "hsl": {
    "h": 215.821,
    "s": 65.686,
    "l": 40
  },
  "oklch": {
    "l": 0.47337,
    "c": 0.14064,
    "h": 258.5
  },
  "luminance": 0.10367
}

Semantic roles & 50–950 ramp

primary

#2359A9

secondary

#C59D63

accent

#A43FE9

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #2359A9

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

Preview Lab → · Contrast checker → · Palette generator →