#233C64#233C64

#233C64 is a dark, moderate blue. Relative luminance 0.045; OKLCH L 35.7% C 0.076 H 259.4°. Best body text is #FFFFFF at 11.04:1 contrast (WCAG AA passes).

Color values

HEX	#233C64
RGB	rgb(35, 60, 100)
HSL	hsl(217, 48%, 26%)
HSV	hsv(217, 65%, 39%)
CMYK	cmyk(65%, 40%, 0%, 60.8%)
CIE-LAB	lab(25.29, 4.36, -26.49)
CIE-LCH	lch(25.29, 26.84, 279.35°)
OKLab	oklab(35.72% -0.014 -0.0752)
OKLCH	oklch(35.72% 0.076 259.4)
XYZ	xyz(4.6084, 4.5087, 12.6815)
Luminance	0.0451 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233C64 #644B23

analogous

#235D64 #233C64 #2B2364

triadic

#233C64 #64233C #3C6423

tetradic

#233C64 #64235D #644B23 #23642B

square

#233C64 #64235D #644B23 #23642B

split-complementary

#233C64 #642B23 #5D6423

monochromatic

#080E17 #132137 #233C64 #335791 #4473BE

Accessibility & contrast

On white

11.04

#233C64 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#233C64 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233C64

11.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233C64	#FFFFFF	#000000	##FFFFFF
##233C64	1.00	11.04	1.90	11.04
#FFFFFF	11.04	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B3F66

Deuteranopia (green-blind)

#223963

Tritanopia (blue-blind)

#00454B

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #233c64;
/* rgb */ color: rgb(35, 60, 100);
/* oklch */ color: oklch(35.7% 0.076 259.4);

Tailwind

colors: {
  custom: {
    50: '#657190',
    500: '#233c64',
    950: '#000000',
  },
}

SCSS

$custom: #233c64;
$custom-light: #657190;
$custom-dark: #000000;

JSON

{
  "hex": "#233c64",
  "rgb": {
    "r": 35,
    "g": 60,
    "b": 100
  },
  "hsl": {
    "h": 216.923,
    "s": 48.148,
    "l": 26.471
  },
  "oklch": {
    "l": 0.35716,
    "c": 0.07646,
    "h": 259.4
  },
  "luminance": 0.04509
}

Semantic roles & 50–950 ramp

primary

#233C64

secondary

#987A4B

accent

#A450D8

background

#F6F6F8

surface

#EBECF0

border

#C6C7CB

text

#06070C

muted

#7A7A7D

Preview Lab

Preview with #233C64

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

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