#233383#233383

#233383 is a dark, vivid blue. Relative luminance 0.044; OKLCH L 36.1% C 0.135 H 269.7°. Best body text is #FFFFFF at 11.21:1 contrast (WCAG AA passes).

Color values

HEX	#233383
RGB	rgb(35, 51, 131)
HSL	hsl(230, 58%, 33%)
HSV	hsv(230, 73%, 51%)
CMYK	cmyk(73.3%, 61.1%, 0%, 48.6%)
CIE-LAB	lab(24.84, 22.76, -46.94)
CIE-LCH	lch(24.84, 52.17, 295.86°)
OKLab	oklab(36.08% -0.0008 -0.1354)
OKLCH	oklch(36.08% 0.135 269.7)
XYZ	xyz(5.9723, 4.3631, 21.9957)
Luminance	0.0436 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233383 #837323

analogous

#236383 #233383 #432383

triadic

#233383 #832333 #338323

tetradic

#233383 #832363 #837323 #238343

square

#233383 #832363 #837323 #238343

split-complementary

#233383 #834323 #638323

monochromatic

#090D22 #162053 #233383 #3046B3 #5065D0

Accessibility & contrast

On white

11.21

#233383 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#233383 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233383

11.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233383	#FFFFFF	#000000	##FFFFFF
##233383	1.00	11.21	1.87	11.21
#FFFFFF	11.21	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F86

Deuteranopia (green-blind)

#003781

Tritanopia (blue-blind)

#004755

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #233383;
/* rgb */ color: rgb(35, 51, 131);
/* oklch */ color: oklch(36.1% 0.135 269.7);

Tailwind

colors: {
  custom: {
    50: '#6c6aa8',
    500: '#233383',
    950: '#000000',
  },
}

SCSS

$custom: #233383;
$custom-light: #6c6aa8;
$custom-dark: #000000;

JSON

{
  "hex": "#233383",
  "rgb": {
    "r": 35,
    "g": 51,
    "b": 131
  },
  "hsl": {
    "h": 230,
    "s": 57.831,
    "l": 32.549
  },
  "oklch": {
    "l": 0.36083,
    "c": 0.1354,
    "h": 269.7
  },
  "luminance": 0.04364
}

Semantic roles & 50–950 ramp

primary

#233383

secondary

#B4A34E

accent

#C747E1

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#080610

muted

#7A7A7F

Preview Lab

Preview with #233383

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

Preview Lab → · Contrast checker → · Palette generator →