#23519C#23519C

#23519C is a dark, vivid blue. Relative luminance 0.086; OKLCH L 44.6% C 0.132 H 259.8°. Best body text is #FFFFFF at 7.70:1 contrast (WCAG AA passes).

Color values

HEX	#23519C
RGB	rgb(35, 81, 156)
HSL	hsl(217, 63%, 37%)
HSV	hsv(217, 78%, 61%)
CMYK	cmyk(77.6%, 48.1%, 0%, 38.8%)
CIE-LAB	lab(35.28, 12.07, -45.38)
CIE-LCH	lch(35.28, 46.96, 284.90°)
OKLab	oklab(44.59% -0.0235 -0.1303)
OKLCH	oklch(44.59% 0.132 259.8)
XYZ	xyz(9.6341, 8.6414, 32.6062)
Luminance	0.0864 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23519C #9C6E23

analogous

#238E9C #23519C #31239C

triadic

#23519C #9C2351 #519C23

tetradic

#23519C #9C238E #9C6E23 #239C31

square

#23519C #9C238E #9C6E23 #239C31

split-complementary

#23519C #9C3123 #8E9C23

monochromatic

#0D1D38 #18376A #23519C #2E6BCE #5E8EDB

Accessibility & contrast

On white

7.70

#23519C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#23519C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23519C

7.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23519C	#FFFFFF	#000000	##FFFFFF
##23519C	1.00	7.70	2.73	7.70
#FFFFFF	7.70	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#28599F

Deuteranopia (green-blind)

#044E9A

Tritanopia (blue-blind)

#00636F

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #23519c;
/* rgb */ color: rgb(35, 81, 156);
/* oklch */ color: oklch(44.6% 0.132 259.8);

Tailwind

colors: {
  custom: {
    50: '#7081ba',
    500: '#23519c',
    950: '#000000',
  },
}

SCSS

$custom: #23519c;
$custom-light: #7081ba;
$custom-dark: #000000;

JSON

{
  "hex": "#23519c",
  "rgb": {
    "r": 35,
    "g": 81,
    "b": 156
  },
  "hsl": {
    "h": 217.19,
    "s": 63.351,
    "l": 37.451
  },
  "oklch": {
    "l": 0.44593,
    "c": 0.1324,
    "h": 259.8
  },
  "luminance": 0.08642
}

Semantic roles & 50–950 ramp

primary

#23519C

secondary

#C0995B

accent

#A841E6

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090A11

muted

#7B7C80

Preview Lab

Preview with #23519C

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

Preview Lab → · Contrast checker → · Palette generator →