#233E73#233E73

#233E73 is a dark, moderate blue. Relative luminance 0.050; OKLCH L 37.2% C 0.097 H 262.4°. Best body text is #FFFFFF at 10.46:1 contrast (WCAG AA passes).

Color values

HEX	#233E73
RGB	rgb(35, 62, 115)
HSL	hsl(220, 53%, 29%)
HSV	hsv(220, 70%, 45%)
CMYK	cmyk(69.6%, 46.1%, 0%, 54.9%)
CIE-LAB	lab(26.85, 8.81, -33.60)
CIE-LCH	lch(26.85, 34.74, 284.70°)
OKLab	oklab(37.23% -0.0128 -0.096)
OKLCH	oklch(37.23% 0.097 262.4)
XYZ	xyz(5.5092, 5.0398, 16.8988)
Luminance	0.0504 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233E73 #735823

analogous

#236673 #233E73 #302373

triadic

#233E73 #73233E #3E7323

tetradic

#233E73 #732366 #735823 #237330

square

#233E73 #732366 #735823 #237330

split-complementary

#233E73 #733023 #667323

monochromatic

#070D17 #152544 #233E73 #3157A2 #4974C8

Accessibility & contrast

On white

10.46

#233E73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#233E73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233E73

10.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233E73	#FFFFFF	#000000	##FFFFFF
##233E73	1.00	10.46	2.01	10.46
#FFFFFF	10.46	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#254375

Deuteranopia (green-blind)

#173C72

Tritanopia (blue-blind)

#004A53

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #233e73;
/* rgb */ color: rgb(35, 62, 115);
/* oklch */ color: oklch(37.2% 0.097 262.4);

Tailwind

colors: {
  custom: {
    50: '#68729c',
    500: '#233e73',
    950: '#000000',
  },
}

SCSS

$custom: #233e73;
$custom-light: #68729c;
$custom-dark: #000000;

JSON

{
  "hex": "#233e73",
  "rgb": {
    "r": 35,
    "g": 62,
    "b": 115
  },
  "hsl": {
    "h": 219.75,
    "s": 53.333,
    "l": 29.412
  },
  "oklch": {
    "l": 0.37226,
    "c": 0.09686,
    "h": 262.4
  },
  "luminance": 0.0504
}

Semantic roles & 50–950 ramp

primary

#233E73

secondary

#A6884C

accent

#AC4BDD

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07080E

muted

#7A7B7E

Preview Lab

Preview with #233E73

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

Preview Lab → · Contrast checker → · Palette generator →