#233C77#233C77

#233C77 is a dark, moderate blue. Relative luminance 0.049; OKLCH L 37.1% C 0.106 H 264.5°. Best body text is #FFFFFF at 10.58:1 contrast (WCAG AA passes).

Color values

HEX	#233C77
RGB	rgb(35, 60, 119)
HSL	hsl(222, 55%, 30%)
HSV	hsv(222, 71%, 47%)
CMYK	cmyk(70.6%, 49.6%, 0%, 53.3%)
CIE-LAB	lab(26.51, 11.78, -36.68)
CIE-LCH	lch(26.51, 38.53, 287.80°)
OKLab	oklab(37.05% -0.01 -0.1051)
OKLCH	oklch(37.05% 0.106 264.5)
XYZ	xyz(5.6376, 4.9204, 18.1018)
Luminance	0.0492 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233C77 #775E23

analogous

#236677 #233C77 #342377

triadic

#233C77 #77233C #3C7723

tetradic

#233C77 #772366 #775E23 #237734

square

#233C77 #772366 #775E23 #237734

split-complementary

#233C77 #773423 #667723

monochromatic

#070C18 #152448 #233C77 #3154A6 #4A70CA

Accessibility & contrast

On white

10.58

#233C77 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#233C77 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233C77

10.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233C77	#FFFFFF	#000000	##FFFFFF
##233C77	1.00	10.58	1.98	10.58
#FFFFFF	10.58	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D4379

Deuteranopia (green-blind)

#0A3B76

Tritanopia (blue-blind)

#004A53

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #233c77;
/* rgb */ color: rgb(35, 60, 119);
/* oklch */ color: oklch(37.1% 0.106 264.5);

Tailwind

colors: {
  custom: {
    50: '#69719f',
    500: '#233c77',
    950: '#000000',
  },
}

SCSS

$custom: #233c77;
$custom-light: #69719f;
$custom-dark: #000000;

JSON

{
  "hex": "#233c77",
  "rgb": {
    "r": 35,
    "g": 60,
    "b": 119
  },
  "hsl": {
    "h": 222.143,
    "s": 54.545,
    "l": 30.196
  },
  "oklch": {
    "l": 0.37051,
    "c": 0.10557,
    "h": 264.5
  },
  "luminance": 0.04921
}

Semantic roles & 50–950 ramp

primary

#233C77

secondary

#AA8E4C

accent

#B24ADE

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07070E

muted

#7A7A7E

Preview Lab

Preview with #233C77

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

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