#23509C#23509C

#23509C is a dark, vivid blue. Relative luminance 0.085; OKLCH L 44.4% C 0.134 H 260.2°. Best body text is #FFFFFF at 7.78:1 contrast (WCAG AA passes).

Color values

HEX	#23509C
RGB	rgb(35, 80, 156)
HSL	hsl(218, 63%, 37%)
HSV	hsv(218, 78%, 61%)
CMYK	cmyk(77.6%, 48.7%, 0%, 38.8%)
CIE-LAB	lab(34.99, 12.74, -45.86)
CIE-LCH	lch(34.99, 47.59, 285.53°)
OKLab	oklab(44.37% -0.0227 -0.1317)
OKLCH	oklch(44.37% 0.134 260.2)
XYZ	xyz(9.5604, 8.4939, 32.5817)
Luminance	0.0849 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23509C #9C6F23

analogous

#238D9C #23509C #32239C

triadic

#23509C #9C2350 #509C23

tetradic

#23509C #9C238D #9C6F23 #239C32

square

#23509C #9C238D #9C6F23 #239C32

split-complementary

#23509C #9C3223 #8D9C23

monochromatic

#0D1D38 #18366A #23509C #2E6ACE #5E8DDB

Accessibility & contrast

On white

7.78

#23509C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#23509C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23509C

7.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23509C	#FFFFFF	#000000	##FFFFFF
##23509C	1.00	7.78	2.70	7.78
#FFFFFF	7.78	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#25589F

Deuteranopia (green-blind)

#004D9A

Tritanopia (blue-blind)

#00626E

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #23509c;
/* rgb */ color: rgb(35, 80, 156);
/* oklch */ color: oklch(44.4% 0.134 260.2);

Tailwind

colors: {
  custom: {
    50: '#7080ba',
    500: '#23509c',
    950: '#000000',
  },
}

SCSS

$custom: #23509c;
$custom-light: #7080ba;
$custom-dark: #000000;

JSON

{
  "hex": "#23509c",
  "rgb": {
    "r": 35,
    "g": 80,
    "b": 156
  },
  "hsl": {
    "h": 217.686,
    "s": 63.351,
    "l": 37.451
  },
  "oklch": {
    "l": 0.44367,
    "c": 0.13365,
    "h": 260.2
  },
  "luminance": 0.08495
}

Semantic roles & 50–950 ramp

primary

#23509C

secondary

#C09A5B

accent

#A941E6

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090A11

muted

#7B7C80

Preview Lab

Preview with #23509C

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

Preview Lab → · Contrast checker → · Palette generator →