#23519B#23519B

#23519B is a dark, vivid blue. Relative luminance 0.086; OKLCH L 44.5% C 0.131 H 259.6°. Best body text is #FFFFFF at 7.72:1 contrast (WCAG AA passes).

Color values

HEX	#23519B
RGB	rgb(35, 81, 155)
HSL	hsl(217, 63%, 37%)
HSV	hsv(217, 77%, 61%)
CMYK	cmyk(77.4%, 47.7%, 0%, 39.2%)
CIE-LAB	lab(35.22, 11.68, -44.89)
CIE-LCH	lch(35.22, 46.38, 284.58°)
OKLab	oklab(44.52% -0.0237 -0.1288)
OKLCH	oklch(44.52% 0.131 259.6)
XYZ	xyz(9.5498, 8.6077, 32.1621)
Luminance	0.0861 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23519B #9B6D23

analogous

#238D9B #23519B #31239B

triadic

#23519B #9B2351 #519B23

tetradic

#23519B #9B238D #9B6D23 #239B31

square

#23519B #9B238D #9B6D23 #239B31

split-complementary

#23519B #9B3123 #8D9B23

monochromatic

#0C1D37 #183769 #23519B #2E6BCD #5E8EDB

Accessibility & contrast

On white

7.72

#23519B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#23519B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23519B

7.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23519B	#FFFFFF	#000000	##FFFFFF
##23519B	1.00	7.72	2.72	7.72
#FFFFFF	7.72	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#29599E

Deuteranopia (green-blind)

#074E9A

Tritanopia (blue-blind)

#00636E

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #23519b;
/* rgb */ color: rgb(35, 81, 155);
/* oklch */ color: oklch(44.5% 0.131 259.6);

Tailwind

colors: {
  custom: {
    50: '#7081b9',
    500: '#23519b',
    950: '#000000',
  },
}

SCSS

$custom: #23519b;
$custom-light: #7081b9;
$custom-dark: #000000;

JSON

{
  "hex": "#23519b",
  "rgb": {
    "r": 35,
    "g": 81,
    "b": 155
  },
  "hsl": {
    "h": 217,
    "s": 63.158,
    "l": 37.255
  },
  "oklch": {
    "l": 0.4452,
    "c": 0.131,
    "h": 259.6
  },
  "luminance": 0.08609
}

Semantic roles & 50–950 ramp

primary

#23519B

secondary

#BF995A

accent

#A742E6

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090A11

muted

#7B7C80

Preview Lab

Preview with #23519B

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

Preview Lab → · Contrast checker → · Palette generator →