#23539C#23539C

#23539C is a mid, vivid blue. Relative luminance 0.089; OKLCH L 45.0% C 0.130 H 258.8°. Best body text is #FFFFFF at 7.53:1 contrast (WCAG AA passes).

Color values

HEX	#23539C
RGB	rgb(35, 83, 156)
HSL	hsl(216, 63%, 37%)
HSV	hsv(216, 78%, 61%)
CMYK	cmyk(77.6%, 46.8%, 0%, 38.8%)
CIE-LAB	lab(35.87, 10.74, -44.44)
CIE-LCH	lch(35.87, 45.72, 283.59°)
OKLab	oklab(45.05% -0.0252 -0.1275)
OKLCH	oklch(45.05% 0.13 258.8)
XYZ	xyz(9.7850, 8.9430, 32.6565)
Luminance	0.0894 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23539C #9C6C23

analogous

#23909C #23539C #2F239C

triadic

#23539C #9C2353 #539C23

tetradic

#23539C #9C2390 #9C6C23 #239C2F

square

#23539C #9C2390 #9C6C23 #239C2F

split-complementary

#23539C #9C2F23 #909C23

monochromatic

#0D1E38 #18386A #23539C #2E6ECE #5E90DB

Accessibility & contrast

On white

7.53

#23539C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.79

#23539C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23539C

7.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23539C	#FFFFFF	#000000	##FFFFFF
##23539C	1.00	7.53	2.79	7.53
#FFFFFF	7.53	1.00	21.00	1.00
#000000	2.79	21.00	1.00	21.00
##FFFFFF	7.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C5A9F

Deuteranopia (green-blind)

#0F4F9B

Tritanopia (blue-blind)

#006470

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #23539c;
/* rgb */ color: rgb(35, 83, 156);
/* oklch */ color: oklch(45.0% 0.130 258.8);

Tailwind

colors: {
  custom: {
    50: '#7082ba',
    500: '#23539c',
    950: '#000000',
  },
}

SCSS

$custom: #23539c;
$custom-light: #7082ba;
$custom-dark: #000000;

JSON

{
  "hex": "#23539c",
  "rgb": {
    "r": 35,
    "g": 83,
    "b": 156
  },
  "hsl": {
    "h": 216.198,
    "s": 63.351,
    "l": 37.451
  },
  "oklch": {
    "l": 0.45047,
    "c": 0.12994,
    "h": 258.8
  },
  "luminance": 0.08944
}

Semantic roles & 50–950 ramp

primary

#23539C

secondary

#C0985B

accent

#A541E6

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090A11

muted

#7B7C80

Preview Lab

Preview with #23539C

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

Preview Lab → · Contrast checker → · Palette generator →