#233799#233799

#233799 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 38.9% C 0.161 H 268.6°. Best body text is #FFFFFF at 10.11:1 contrast (WCAG AA passes).

Color values

HEX	#233799
RGB	rgb(35, 55, 153)
HSL	hsl(230, 63%, 37%)
HSV	hsv(230, 77%, 60%)
CMYK	cmyk(77.1%, 64.1%, 0%, 40%)
CIE-LAB	lab(27.81, 28.49, -55.69)
CIE-LCH	lch(27.81, 62.55, 297.09°)
OKLab	oklab(38.88% -0.004 -0.161)
OKLCH	oklch(38.88% 0.161 268.6)
XYZ	xyz(7.8071, 5.3888, 30.7595)
Luminance	0.0539 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233799 #998523

analogous

#237299 #233799 #4A2399

triadic

#233799 #992337 #379923

tetradic

#233799 #992372 #998523 #23994A

square

#233799 #992372 #998523 #23994A

split-complementary

#233799 #994A23 #729923

monochromatic

#0C1335 #182567 #233799 #2E49CB #5D72DA

Accessibility & contrast

On white

10.11

#233799 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#233799 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233799

10.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233799	#FFFFFF	#000000	##FFFFFF
##233799	1.00	10.11	2.08	10.11
#FFFFFF	10.11	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00479C

Deuteranopia (green-blind)

#003C97

Tritanopia (blue-blind)

#005162

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #233799;
/* rgb */ color: rgb(35, 55, 153);
/* oklch */ color: oklch(38.9% 0.161 268.6);

Tailwind

colors: {
  custom: {
    50: '#716db8',
    500: '#233799',
    950: '#000000',
  },
}

SCSS

$custom: #233799;
$custom-light: #716db8;
$custom-dark: #000000;

JSON

{
  "hex": "#233799",
  "rgb": {
    "r": 35,
    "g": 55,
    "b": 153
  },
  "hsl": {
    "h": 229.831,
    "s": 62.766,
    "l": 36.863
  },
  "oklch": {
    "l": 0.38884,
    "c": 0.16106,
    "h": 268.6
  },
  "luminance": 0.0539
}

Semantic roles & 50–950 ramp

primary

#233799

secondary

#BEAD59

accent

#CA42E6

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #233799

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

Preview Lab → · Contrast checker → · Palette generator →