#23519F#23519F

#23519F is a dark, vivid blue. Relative luminance 0.087; OKLCH L 44.8% C 0.137 H 260.3°. Best body text is #FFFFFF at 7.64:1 contrast (WCAG AA passes).

Color values

HEX	#23519F
RGB	rgb(35, 81, 159)
HSL	hsl(218, 64%, 38%)
HSV	hsv(218, 78%, 62%)
CMYK	cmyk(78%, 49.1%, 0%, 37.6%)
CIE-LAB	lab(35.49, 13.26, -46.86)
CIE-LCH	lch(35.49, 48.70, 285.80°)
OKLab	oklab(44.81% -0.023 -0.1346)
OKLCH	oklch(44.81% 0.137 260.3)
XYZ	xyz(9.8913, 8.7442, 33.9607)
Luminance	0.0874 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23519F #9F7123

analogous

#238F9F #23519F #33239F

triadic

#23519F #9F2351 #519F23

tetradic

#23519F #9F238F #9F7123 #239F33

square

#23519F #9F238F #9F7123 #239F33

split-complementary

#23519F #9F3323 #8F9F23

monochromatic

#0D1E3B #18376D #23519F #2E6BD1 #608EDC

Accessibility & contrast

On white

7.64

#23519F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#23519F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23519F

7.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23519F	#FFFFFF	#000000	##FFFFFF
##23519F	1.00	7.64	2.75	7.64
#FFFFFF	7.64	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2559A2

Deuteranopia (green-blind)

#004E9D

Tritanopia (blue-blind)

#006470

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #23519f;
/* rgb */ color: rgb(35, 81, 159);
/* oklch */ color: oklch(44.8% 0.137 260.3);

Tailwind

colors: {
  custom: {
    50: '#7181bc',
    500: '#23519f',
    950: '#000000',
  },
}

SCSS

$custom: #23519f;
$custom-light: #7181bc;
$custom-dark: #000000;

JSON

{
  "hex": "#23519f",
  "rgb": {
    "r": 35,
    "g": 81,
    "b": 159
  },
  "hsl": {
    "h": 217.742,
    "s": 63.918,
    "l": 38.039
  },
  "oklch": {
    "l": 0.44814,
    "c": 0.13661,
    "h": 260.3
  },
  "luminance": 0.08745
}

Semantic roles & 50–950 ramp

primary

#23519F

secondary

#C19C5D

accent

#A941E7

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #23519F

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

Preview Lab → · Contrast checker → · Palette generator →