#23559F#23559F

#23559F is a mid, vivid blue. Relative luminance 0.094; OKLCH L 45.7% C 0.132 H 258.4°. Best body text is #FFFFFF at 7.31:1 contrast (WCAG AA passes).

Color values

HEX	#23559F
RGB	rgb(35, 85, 159)
HSL	hsl(216, 64%, 38%)
HSV	hsv(216, 78%, 62%)
CMYK	cmyk(78%, 46.5%, 0%, 37.6%)
CIE-LAB	lab(36.66, 10.60, -44.97)
CIE-LCH	lch(36.66, 46.21, 283.26°)
OKLab	oklab(45.72% -0.0264 -0.129)
OKLCH	oklch(45.72% 0.132 258.4)
XYZ	xyz(10.1974, 9.3563, 34.0627)
Luminance	0.0936 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23559F #9F6D23

analogous

#23939F #23559F #2F239F

triadic

#23559F #9F2355 #559F23

tetradic

#23559F #9F2393 #9F6D23 #239F2F

square

#23559F #9F2393 #9F6D23 #239F2F

split-complementary

#23559F #9F2F23 #939F23

monochromatic

#0D1F3B #183A6D #23559F #2E70D1 #6092DC

Accessibility & contrast

On white

7.31

#23559F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.87

#23559F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23559F

7.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23559F	#FFFFFF	#000000	##FFFFFF
##23559F	1.00	7.31	2.87	7.31
#FFFFFF	7.31	1.00	21.00	1.00
#000000	2.87	21.00	1.00	21.00
##FFFFFF	7.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E5CA2

Deuteranopia (green-blind)

#10519E

Tritanopia (blue-blind)

#006772

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #23559f;
/* rgb */ color: rgb(35, 85, 159);
/* oklch */ color: oklch(45.7% 0.132 258.4);

Tailwind

colors: {
  custom: {
    50: '#7184bc',
    500: '#23559f',
    950: '#000000',
  },
}

SCSS

$custom: #23559f;
$custom-light: #7184bc;
$custom-dark: #000000;

JSON

{
  "hex": "#23559f",
  "rgb": {
    "r": 35,
    "g": 85,
    "b": 159
  },
  "hsl": {
    "h": 215.806,
    "s": 63.918,
    "l": 38.039
  },
  "oklch": {
    "l": 0.45717,
    "c": 0.13169,
    "h": 258.4
  },
  "luminance": 0.09358
}

Semantic roles & 50–950 ramp

primary

#23559F

secondary

#C1995D

accent

#A441E7

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #23559F

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

Preview Lab → · Contrast checker → · Palette generator →