#23539E#23539E

#23539E is a mid, vivid blue. Relative luminance 0.090; OKLCH L 45.2% C 0.133 H 259.2°. Best body text is #FFFFFF at 7.49:1 contrast (WCAG AA passes).

Color values

HEX	#23539E
RGB	rgb(35, 83, 158)
HSL	hsl(217, 64%, 38%)
HSV	hsv(217, 78%, 62%)
CMYK	cmyk(77.8%, 47.5%, 0%, 38%)
CIE-LAB	lab(36.01, 11.53, -45.43)
CIE-LCH	lch(36.01, 46.87, 284.24°)
OKLab	oklab(45.19% -0.0249 -0.1304)
OKLCH	oklch(45.19% 0.133 259.2)
XYZ	xyz(9.9557, 9.0113, 33.5558)
Luminance	0.0901 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23539E #9E6E23

analogous

#23919E #23539E #30239E

triadic

#23539E #9E2353 #539E23

tetradic

#23539E #9E2391 #9E6E23 #239E30

square

#23539E #9E2391 #9E6E23 #239E30

split-complementary

#23539E #9E3023 #919E23

monochromatic

#0D1E3A #18396C #23539E #2E6DD0 #6090DC

Accessibility & contrast

On white

7.49

#23539E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#23539E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23539E

7.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23539E	#FFFFFF	#000000	##FFFFFF
##23539E	1.00	7.49	2.80	7.49
#FFFFFF	7.49	1.00	21.00	1.00
#000000	2.80	21.00	1.00	21.00
##FFFFFF	7.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A5BA1

Deuteranopia (green-blind)

#094F9C

Tritanopia (blue-blind)

#006571

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #23539e;
/* rgb */ color: rgb(35, 83, 158);
/* oklch */ color: oklch(45.2% 0.133 259.2);

Tailwind

colors: {
  custom: {
    50: '#7182bb',
    500: '#23539e',
    950: '#000000',
  },
}

SCSS

$custom: #23539e;
$custom-light: #7182bb;
$custom-dark: #000000;

JSON

{
  "hex": "#23539e",
  "rgb": {
    "r": 35,
    "g": 83,
    "b": 158
  },
  "hsl": {
    "h": 216.585,
    "s": 63.731,
    "l": 37.843
  },
  "oklch": {
    "l": 0.45191,
    "c": 0.13274,
    "h": 259.2
  },
  "luminance": 0.09012
}

Semantic roles & 50–950 ramp

primary

#23539E

secondary

#C1995C

accent

#A641E7

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #23539E

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

Preview Lab → · Contrast checker → · Palette generator →