#233E71#233E71

#233E71 is a dark, moderate blue. Relative luminance 0.050; OKLCH L 37.1% C 0.094 H 261.9°. Best body text is #FFFFFF at 10.51:1 contrast (WCAG AA passes).

Color values

HEX	#233E71
RGB	rgb(35, 62, 113)
HSL	hsl(219, 53%, 29%)
HSV	hsv(219, 69%, 44%)
CMYK	cmyk(69%, 45.1%, 0%, 55.7%)
CIE-LAB	lab(26.72, 8.03, -32.54)
CIE-LCH	lch(26.72, 33.52, 283.86°)
OKLab	oklab(37.09% -0.0133 -0.0929)
OKLCH	oklch(37.09% 0.094 261.9)
XYZ	xyz(5.3953, 4.9943, 16.2992)
Luminance	0.0500 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233E71 #715623

analogous

#236571 #233E71 #2F2371

triadic

#233E71 #71233E #3E7123

tetradic

#233E71 #712365 #715623 #23712F

square

#233E71 #712365 #715623 #23712F

split-complementary

#233E71 #712F23 #657123

monochromatic

#070D17 #152442 #233E71 #3158A0 #4874C6

Accessibility & contrast

On white

10.51

#233E71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#233E71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233E71

10.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233E71	#FFFFFF	#000000	##FFFFFF
##233E71	1.00	10.51	2.00	10.51
#FFFFFF	10.51	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#264373

Deuteranopia (green-blind)

#193C70

Tritanopia (blue-blind)

#004A52

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #233e71;
/* rgb */ color: rgb(35, 62, 113);
/* oklch */ color: oklch(37.1% 0.094 261.9);

Tailwind

colors: {
  custom: {
    50: '#67729a',
    500: '#233e71',
    950: '#000000',
  },
}

SCSS

$custom: #233e71;
$custom-light: #67729a;
$custom-dark: #000000;

JSON

{
  "hex": "#233e71",
  "rgb": {
    "r": 35,
    "g": 62,
    "b": 113
  },
  "hsl": {
    "h": 219.231,
    "s": 52.703,
    "l": 29.02
  },
  "oklch": {
    "l": 0.37085,
    "c": 0.09382,
    "h": 261.9
  },
  "luminance": 0.04995
}

Semantic roles & 50–950 ramp

primary

#233E71

secondary

#A4864C

accent

#AA4CDC

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06080E

muted

#7A7B7E

Preview Lab

Preview with #233E71

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

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