#23559C#23559C

#23559C is a mid, vivid blue. Relative luminance 0.093; OKLCH L 45.5% C 0.128 H 257.8°. Best body text is #FFFFFF at 7.37:1 contrast (WCAG AA passes).

Color values

HEX	#23559C
RGB	rgb(35, 85, 156)
HSL	hsl(215, 63%, 37%)
HSV	hsv(215, 78%, 61%)
CMYK	cmyk(77.6%, 45.5%, 0%, 38.8%)
CIE-LAB	lab(36.47, 9.42, -43.48)
CIE-LCH	lch(36.47, 44.49, 282.22°)
OKLab	oklab(45.51% -0.027 -0.1246)
OKLCH	oklch(45.51% 0.128 257.8)
XYZ	xyz(9.9402, 9.2535, 32.7083)
Luminance	0.0925 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23559C #9C6A23

analogous

#23919C #23559C #2E239C

triadic

#23559C #9C2355 #559C23

tetradic

#23559C #9C2391 #9C6A23 #239C2E

square

#23559C #9C2391 #9C6A23 #239C2E

split-complementary

#23559C #9C2E23 #919C23

monochromatic

#0D1F38 #183A6A #23559C #2E70CE #5E92DB

Accessibility & contrast

On white

7.37

#23559C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.85

#23559C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23559C

7.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23559C	#FFFFFF	#000000	##FFFFFF
##23559C	1.00	7.37	2.85	7.37
#FFFFFF	7.37	1.00	21.00	1.00
#000000	2.85	21.00	1.00	21.00
##FFFFFF	7.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#305C9F

Deuteranopia (green-blind)

#17519B

Tritanopia (blue-blind)

#006671

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #23559c;
/* rgb */ color: rgb(35, 85, 156);
/* oklch */ color: oklch(45.5% 0.128 257.8);

Tailwind

colors: {
  custom: {
    50: '#7084ba',
    500: '#23559c',
    950: '#000000',
  },
}

SCSS

$custom: #23559c;
$custom-light: #7084ba;
$custom-dark: #000000;

JSON

{
  "hex": "#23559c",
  "rgb": {
    "r": 35,
    "g": 85,
    "b": 156
  },
  "hsl": {
    "h": 215.207,
    "s": 63.351,
    "l": 37.451
  },
  "oklch": {
    "l": 0.45505,
    "c": 0.12752,
    "h": 257.8
  },
  "luminance": 0.09255
}

Semantic roles & 50–950 ramp

primary

#23559C

secondary

#C0965B

accent

#A241E6

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#090A11

muted

#7B7C80

Preview Lab

Preview with #23559C

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

Preview Lab → · Contrast checker → · Palette generator →