#234A9C#234A9C

#234A9C is a dark, vivid blue. Relative luminance 0.077; OKLCH L 43.0% C 0.141 H 262.8°. Best body text is #FFFFFF at 8.30:1 contrast (WCAG AA passes).

Color values

HEX	#234A9C
RGB	rgb(35, 74, 156)
HSL	hsl(221, 63%, 37%)
HSV	hsv(221, 78%, 61%)
CMYK	cmyk(77.6%, 52.6%, 0%, 38.8%)
CIE-LAB	lab(33.25, 16.78, -48.66)
CIE-LCH	lch(33.25, 51.48, 289.03°)
OKLab	oklab(43.04% -0.0177 -0.1401)
OKLCH	oklch(43.04% 0.141 262.8)
XYZ	xyz(9.1405, 7.6541, 32.4417)
Luminance	0.0766 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#234A9C #9C7523

analogous

#23879C #234A9C #38239C

triadic

#234A9C #9C234A #4A9C23

tetradic

#234A9C #9C2387 #9C7523 #239C38

square

#234A9C #9C2387 #9C7523 #239C38

split-complementary

#234A9C #9C3823 #879C23

monochromatic

#0D1B38 #18326A #234A9C #2E62CE #5E87DB

Accessibility & contrast

On white

8.30

#234A9C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#234A9C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #234A9C

8.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##234A9C	#FFFFFF	#000000	##FFFFFF
##234A9C	1.00	8.30	2.53	8.30
#FFFFFF	8.30	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#13549F

Deuteranopia (green-blind)

#00499A

Tritanopia (blue-blind)

#005E6B

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #234a9c;
/* rgb */ color: rgb(35, 74, 156);
/* oklch */ color: oklch(43.0% 0.141 262.8);

Tailwind

colors: {
  custom: {
    50: '#717bba',
    500: '#234a9c',
    950: '#000000',
  },
}

SCSS

$custom: #234a9c;
$custom-light: #717bba;
$custom-dark: #000000;

JSON

{
  "hex": "#234a9c",
  "rgb": {
    "r": 35,
    "g": 74,
    "b": 156
  },
  "hsl": {
    "h": 220.661,
    "s": 63.351,
    "l": 37.451
  },
  "oklch": {
    "l": 0.43038,
    "c": 0.14121,
    "h": 262.8
  },
  "luminance": 0.07655
}

Semantic roles & 50–950 ramp

primary

#234A9C

secondary

#C09F5B

accent

#B141E6

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #234A9C

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

Preview Lab → · Contrast checker → · Palette generator →