#23539A#23539A

#23539A is a dark, vivid blue. Relative luminance 0.089; OKLCH L 44.9% C 0.127 H 258.4°. Best body text is #FFFFFF at 7.57:1 contrast (WCAG AA passes).

Color values

HEX	#23539A
RGB	rgb(35, 83, 154)
HSL	hsl(216, 63%, 37%)
HSV	hsv(216, 77%, 60%)
CMYK	cmyk(77.3%, 46.1%, 0%, 39.6%)
CIE-LAB	lab(35.74, 9.96, -43.44)
CIE-LCH	lch(35.74, 44.57, 282.91°)
OKLab	oklab(44.91% -0.0256 -0.1245)
OKLCH	oklch(44.91% 0.127 258.4)
XYZ	xyz(9.6170, 8.8758, 31.7719)
Luminance	0.0888 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23539A #9A6A23

analogous

#238F9A #23539A #2E239A

triadic

#23539A #9A2353 #539A23

tetradic

#23539A #9A238F #9A6A23 #239A2E

square

#23539A #9A238F #9A6A23 #239A2E

split-complementary

#23539A #9A2E23 #8F9A23

monochromatic

#0C1D36 #183868 #23539A #2E6ECC #5D90DA

Accessibility & contrast

On white

7.57

#23539A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#23539A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23539A

7.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23539A	#FFFFFF	#000000	##FFFFFF
##23539A	1.00	7.57	2.78	7.57
#FFFFFF	7.57	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E5A9D

Deuteranopia (green-blind)

#144F99

Tritanopia (blue-blind)

#00646F

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #23539a;
/* rgb */ color: rgb(35, 83, 154);
/* oklch */ color: oklch(44.9% 0.127 258.4);

Tailwind

colors: {
  custom: {
    50: '#7082b8',
    500: '#23539a',
    950: '#000000',
  },
}

SCSS

$custom: #23539a;
$custom-light: #7082b8;
$custom-dark: #000000;

JSON

{
  "hex": "#23539a",
  "rgb": {
    "r": 35,
    "g": 83,
    "b": 154
  },
  "hsl": {
    "h": 215.798,
    "s": 62.963,
    "l": 37.059
  },
  "oklch": {
    "l": 0.44905,
    "c": 0.12714,
    "h": 258.4
  },
  "luminance": 0.08877
}

Semantic roles & 50–950 ramp

primary

#23539A

secondary

#BF965A

accent

#A442E6

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090A11

muted

#7B7C80

Preview Lab

Preview with #23539A

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

Preview Lab → · Contrast checker → · Palette generator →