#233E77#233E77

#233E77 is a dark, moderate blue. Relative luminance 0.051; OKLCH L 37.5% C 0.103 H 263.2°. Best body text is #FFFFFF at 10.36:1 contrast (WCAG AA passes).

Color values

HEX	#233E77
RGB	rgb(35, 62, 119)
HSL	hsl(221, 55%, 30%)
HSV	hsv(221, 71%, 47%)
CMYK	cmyk(70.6%, 47.9%, 0%, 53.3%)
CIE-LAB	lab(27.11, 10.39, -35.71)
CIE-LCH	lch(27.11, 37.19, 286.22°)
OKLab	oklab(37.52% -0.0121 -0.1022)
OKLCH	oklch(37.52% 0.103 263.2)
XYZ	xyz(5.7444, 5.1339, 18.1374)
Luminance	0.0513 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233E77 #775C23

analogous

#236877 #233E77 #322377

triadic

#233E77 #77233E #3E7723

tetradic

#233E77 #772368 #775C23 #237732

square

#233E77 #772368 #775C23 #237732

split-complementary

#233E77 #773223 #687723

monochromatic

#070D18 #152548 #233E77 #3157A6 #4A73CA

Accessibility & contrast

On white

10.36

#233E77 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#233E77 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233E77

10.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233E77	#FFFFFF	#000000	##FFFFFF
##233E77	1.00	10.36	2.03	10.36
#FFFFFF	10.36	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#214479

Deuteranopia (green-blind)

#113C76

Tritanopia (blue-blind)

#004B54

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #233e77;
/* rgb */ color: rgb(35, 62, 119);
/* oklch */ color: oklch(37.5% 0.103 263.2);

Tailwind

colors: {
  custom: {
    50: '#69729f',
    500: '#233e77',
    950: '#000000',
  },
}

SCSS

$custom: #233e77;
$custom-light: #69729f;
$custom-dark: #000000;

JSON

{
  "hex": "#233e77",
  "rgb": {
    "r": 35,
    "g": 62,
    "b": 119
  },
  "hsl": {
    "h": 220.714,
    "s": 54.545,
    "l": 30.196
  },
  "oklch": {
    "l": 0.37516,
    "c": 0.10291,
    "h": 263.2
  },
  "luminance": 0.05134
}

Semantic roles & 50–950 ramp

primary

#233E77

secondary

#AA8C4C

accent

#AE4ADE

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07080E

muted

#7A7B7E

Preview Lab

Preview with #233E77

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

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