#2359AC#2359AC

#2359AC is a mid, vivid blue. Relative luminance 0.105; OKLCH L 47.6% C 0.145 H 259.1°. Best body text is #FFFFFF at 6.78:1 contrast (WCAG AA passes).

Color values

HEX	#2359AC
RGB	rgb(35, 89, 172)
HSL	hsl(216, 66%, 41%)
HSV	hsv(216, 80%, 67%)
CMYK	cmyk(79.7%, 48.3%, 0%, 32.5%)
CIE-LAB	lab(38.69, 13.06, -49.46)
CIE-LCH	lch(38.69, 51.15, 284.79°)
OKLab	oklab(47.55% -0.0275 -0.1421)
OKLCH	oklch(47.55% 0.145 259.1)
XYZ	xyz(11.7092, 10.4793, 40.4273)
Luminance	0.1048 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2359AC #AC7623

analogous

#239EAC #2359AC #3123AC

triadic

#2359AC #AC2359 #59AC23

tetradic

#2359AC #AC239E #AC7623 #23AC31

square

#2359AC #AC239E #AC7623 #23AC31

split-complementary

#2359AC #AC3123 #9EAC23

monochromatic

#0E2446 #193F79 #2359AC #3675D6 #6998E0

Accessibility & contrast

On white

6.78

#2359AC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#2359AC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2359AC

6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2359AC	#FFFFFF	#000000	##FFFFFF
##2359AC	1.00	6.78	3.10	6.78
#FFFFFF	6.78	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A62AF

Deuteranopia (green-blind)

#0055AA

Tritanopia (blue-blind)

#006D7A

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #2359ac;
/* rgb */ color: rgb(35, 89, 172);
/* oklch */ color: oklch(47.6% 0.145 259.1);

Tailwind

colors: {
  custom: {
    50: '#7487c5',
    500: '#2359ac',
    950: '#000000',
  },
}

SCSS

$custom: #2359ac;
$custom-light: #7487c5;
$custom-dark: #000000;

JSON

{
  "hex": "#2359ac",
  "rgb": {
    "r": 35,
    "g": 89,
    "b": 172
  },
  "hsl": {
    "h": 216.35,
    "s": 66.184,
    "l": 40.588
  },
  "oklch": {
    "l": 0.47554,
    "c": 0.14475,
    "h": 259.1
  },
  "luminance": 0.10481
}

Semantic roles & 50–950 ramp

primary

#2359AC

secondary

#C6A064

accent

#A63FE9

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#090B13

muted

#7B7C82

Preview Lab

Preview with #2359AC

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

Preview Lab → · Contrast checker → · Palette generator →