#23499E#23499E

#23499E is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.0% C 0.145 H 263.4°. Best body text is #FFFFFF at 8.34:1 contrast (WCAG AA passes).

Color values

HEX	#23499E
RGB	rgb(35, 73, 158)
HSL	hsl(221, 64%, 38%)
HSV	hsv(221, 78%, 62%)
CMYK	cmyk(77.8%, 53.8%, 0%, 38%)
CIE-LAB	lab(33.11, 18.25, -50.09)
CIE-LCH	lch(33.11, 53.31, 290.01°)
OKLab	oklab(42.98% -0.0167 -0.1443)
OKLCH	oklch(42.98% 0.145 263.4)
XYZ	xyz(9.2450, 7.5900, 33.3189)
Luminance	0.0759 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23499E #9E7823

analogous

#23879E #23499E #3A239E

triadic

#23499E #9E2349 #499E23

tetradic

#23499E #9E2387 #9E7823 #239E3A

square

#23499E #9E2387 #9E7823 #239E3A

split-complementary

#23499E #9E3A23 #879E23

monochromatic

#0D1B3A #18326C #23499E #2E60D0 #6086DC

Accessibility & contrast

On white

8.34

#23499E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#23499E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23499E

8.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23499E	#FFFFFF	#000000	##FFFFFF
##23499E	1.00	8.34	2.52	8.34
#FFFFFF	8.34	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0954A1

Deuteranopia (green-blind)

#00499C

Tritanopia (blue-blind)

#005E6C

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #23499e;
/* rgb */ color: rgb(35, 73, 158);
/* oklch */ color: oklch(43.0% 0.145 263.4);

Tailwind

colors: {
  custom: {
    50: '#717bbb',
    500: '#23499e',
    950: '#000000',
  },
}

SCSS

$custom: #23499e;
$custom-light: #717bbb;
$custom-dark: #000000;

JSON

{
  "hex": "#23499e",
  "rgb": {
    "r": 35,
    "g": 73,
    "b": 158
  },
  "hsl": {
    "h": 221.463,
    "s": 63.731,
    "l": 37.843
  },
  "oklch": {
    "l": 0.4298,
    "c": 0.14528,
    "h": 263.4
  },
  "luminance": 0.07591
}

Semantic roles & 50–950 ramp

primary

#23499E

secondary

#C1A25C

accent

#B441E7

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #23499E

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

Preview Lab → · Contrast checker → · Palette generator →