#23539D#23539D

#23539D is a mid, vivid blue. Relative luminance 0.090; OKLCH L 45.1% C 0.131 H 259.0°. Best body text is #FFFFFF at 7.51:1 contrast (WCAG AA passes).

Color values

HEX	#23539D
RGB	rgb(35, 83, 157)
HSL	hsl(216, 64%, 38%)
HSV	hsv(216, 78%, 62%)
CMYK	cmyk(77.7%, 47.1%, 0%, 38.4%)
CIE-LAB	lab(35.94, 11.14, -44.93)
CIE-LCH	lch(35.94, 46.29, 283.92°)
OKLab	oklab(45.12% -0.0251 -0.1289)
OKLCH	oklch(45.12% 0.131 259)
XYZ	xyz(9.8700, 8.9770, 33.1043)
Luminance	0.0898 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23539D #9D6D23

analogous

#23909D #23539D #30239D

triadic

#23539D #9D2353 #539D23

tetradic

#23539D #9D2390 #9D6D23 #239D30

square

#23539D #9D2390 #9D6D23 #239D30

split-complementary

#23539D #9D3023 #909D23

monochromatic

#0D1E39 #18396B #23539D #2E6DCF #5F90DB

Accessibility & contrast

On white

7.51

#23539D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#23539D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23539D

7.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23539D	#FFFFFF	#000000	##FFFFFF
##23539D	1.00	7.51	2.80	7.51
#FFFFFF	7.51	1.00	21.00	1.00
#000000	2.80	21.00	1.00	21.00
##FFFFFF	7.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B5AA0

Deuteranopia (green-blind)

#0C4F9C

Tritanopia (blue-blind)

#006570

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #23539d;
/* rgb */ color: rgb(35, 83, 157);
/* oklch */ color: oklch(45.1% 0.131 259.0);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#23539d",
  "rgb": {
    "r": 35,
    "g": 83,
    "b": 157
  },
  "hsl": {
    "h": 216.393,
    "s": 63.542,
    "l": 37.647
  },
  "oklch": {
    "l": 0.45119,
    "c": 0.13134,
    "h": 259
  },
  "luminance": 0.08978
}

Semantic roles & 50–950 ramp

primary

#23539D

secondary

#C0995C

accent

#A641E7

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #23539D

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

Preview Lab → · Contrast checker → · Palette generator →