#233E75#233E75

#233E75 is a dark, moderate blue. Relative luminance 0.051; OKLCH L 37.4% C 0.100 H 262.8°. Best body text is #FFFFFF at 10.41:1 contrast (WCAG AA passes).

Color values

HEX	#233E75
RGB	rgb(35, 62, 117)
HSL	hsl(220, 54%, 30%)
HSV	hsv(220, 70%, 46%)
CMYK	cmyk(70.1%, 47%, 0%, 54.1%)
CIE-LAB	lab(26.98, 9.60, -34.66)
CIE-LCH	lch(26.98, 35.97, 285.48°)
OKLab	oklab(37.37% -0.0125 -0.0991)
OKLCH	oklch(37.37% 0.1 262.8)
XYZ	xyz(5.6255, 5.0864, 17.5115)
Luminance	0.0509 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233E75 #755A23

analogous

#236775 #233E75 #312375

triadic

#233E75 #75233E #3E7523

tetradic

#233E75 #752367 #755A23 #237531

square

#233E75 #752367 #755A23 #237531

split-complementary

#233E75 #753123 #677523

monochromatic

#070C18 #152546 #233E75 #3157A4 #4A74C9

Accessibility & contrast

On white

10.41

#233E75 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#233E75 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233E75

10.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233E75	#FFFFFF	#000000	##FFFFFF
##233E75	1.00	10.41	2.02	10.41
#FFFFFF	10.41	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#234477

Deuteranopia (green-blind)

#143C74

Tritanopia (blue-blind)

#004B53

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #233e75;
/* rgb */ color: rgb(35, 62, 117);
/* oklch */ color: oklch(37.4% 0.100 262.8);

Tailwind

colors: {
  custom: {
    50: '#68729d',
    500: '#233e75',
    950: '#000000',
  },
}

SCSS

$custom: #233e75;
$custom-light: #68729d;
$custom-dark: #000000;

JSON

{
  "hex": "#233e75",
  "rgb": {
    "r": 35,
    "g": 62,
    "b": 117
  },
  "hsl": {
    "h": 220.244,
    "s": 53.947,
    "l": 29.804
  },
  "oklch": {
    "l": 0.3737,
    "c": 0.09989,
    "h": 262.8
  },
  "luminance": 0.05087
}

Semantic roles & 50–950 ramp

primary

#233E75

secondary

#A88A4C

accent

#AD4ADD

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07080E

muted

#7A7B7E

Preview Lab

Preview with #233E75

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

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