#23489B#23489B

#23489B is a dark, vivid blue. Relative luminance 0.074; OKLCH L 42.5% C 0.142 H 263.5°. Best body text is #FFFFFF at 8.50:1 contrast (WCAG AA passes).

Color values

HEX	#23489B
RGB	rgb(35, 72, 155)
HSL	hsl(222, 63%, 37%)
HSV	hsv(222, 77%, 61%)
CMYK	cmyk(77.4%, 53.5%, 0%, 39.2%)
CIE-LAB	lab(32.61, 17.75, -49.10)
CIE-LCH	lch(32.61, 52.21, 289.87°)
OKLab	oklab(42.53% -0.0162 -0.1414)
OKLCH	oklch(42.53% 0.142 263.5)
XYZ	xyz(8.9248, 7.3576, 31.9538)
Luminance	0.0736 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23489B #9B7623

analogous

#23849B #23489B #3A239B

triadic

#23489B #9B2348 #489B23

tetradic

#23489B #9B2384 #9B7623 #239B3A

square

#23489B #9B2384 #9B7623 #239B3A

split-complementary

#23489B #9B3A23 #849B23

monochromatic

#0C1A37 #183169 #23489B #2E5FCD #5E84DB

Accessibility & contrast

On white

8.50

#23489B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#23489B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23489B

8.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23489B	#FFFFFF	#000000	##FFFFFF
##23489B	1.00	8.50	2.47	8.50
#FFFFFF	8.50	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C529E

Deuteranopia (green-blind)

#004799

Tritanopia (blue-blind)

#005C6A

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #23489b;
/* rgb */ color: rgb(35, 72, 155);
/* oklch */ color: oklch(42.5% 0.142 263.5);

Tailwind

colors: {
  custom: {
    50: '#707ab9',
    500: '#23489b',
    950: '#000000',
  },
}

SCSS

$custom: #23489b;
$custom-light: #707ab9;
$custom-dark: #000000;

JSON

{
  "hex": "#23489b",
  "rgb": {
    "r": 35,
    "g": 72,
    "b": 155
  },
  "hsl": {
    "h": 221.5,
    "s": 63.158,
    "l": 37.255
  },
  "oklch": {
    "l": 0.42525,
    "c": 0.14234,
    "h": 263.5
  },
  "luminance": 0.07359
}

Semantic roles & 50–950 ramp

primary

#23489B

secondary

#BFA05A

accent

#B342E6

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090911

muted

#7B7B80

Preview Lab

Preview with #23489B

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

Preview Lab → · Contrast checker → · Palette generator →