#23559D#23559D

#23559D is a mid, vivid blue. Relative luminance 0.093; OKLCH L 45.6% C 0.129 H 258.0°. Best body text is #FFFFFF at 7.35:1 contrast (WCAG AA passes).

Color values

HEX	#23559D
RGB	rgb(35, 85, 157)
HSL	hsl(215, 64%, 38%)
HSV	hsv(215, 78%, 62%)
CMYK	cmyk(77.7%, 45.9%, 0%, 38.4%)
CIE-LAB	lab(36.53, 9.81, -43.98)
CIE-LCH	lch(36.53, 45.06, 282.57°)
OKLab	oklab(45.58% -0.0268 -0.1261)
OKLCH	oklch(45.58% 0.129 258)
XYZ	xyz(10.0252, 9.2875, 33.1561)
Luminance	0.0929 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23559D #9D6B23

analogous

#23929D #23559D #2E239D

triadic

#23559D #9D2355 #559D23

tetradic

#23559D #9D2392 #9D6B23 #239D2E

square

#23559D #9D2392 #9D6B23 #239D2E

split-complementary

#23559D #9D2E23 #929D23

monochromatic

#0D1F39 #183A6B #23559D #2E70CF #5F92DB

Accessibility & contrast

On white

7.35

#23559D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.86

#23559D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23559D

7.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23559D	#FFFFFF	#000000	##FFFFFF
##23559D	1.00	7.35	2.86	7.35
#FFFFFF	7.35	1.00	21.00	1.00
#000000	2.86	21.00	1.00	21.00
##FFFFFF	7.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#305CA0

Deuteranopia (green-blind)

#15519C

Tritanopia (blue-blind)

#006671

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #23559d;
/* rgb */ color: rgb(35, 85, 157);
/* oklch */ color: oklch(45.6% 0.129 258.0);

Tailwind

colors: {
  custom: {
    50: '#7084ba',
    500: '#23559d',
    950: '#000000',
  },
}

SCSS

$custom: #23559d;
$custom-light: #7084ba;
$custom-dark: #000000;

JSON

{
  "hex": "#23559d",
  "rgb": {
    "r": 35,
    "g": 85,
    "b": 157
  },
  "hsl": {
    "h": 215.41,
    "s": 63.542,
    "l": 37.647
  },
  "oklch": {
    "l": 0.45575,
    "c": 0.1289,
    "h": 258
  },
  "luminance": 0.09289
}

Semantic roles & 50–950 ramp

primary

#23559D

secondary

#C0975C

accent

#A341E7

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #23559D

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

Preview Lab → · Contrast checker → · Palette generator →