#233C68#233C68

#233C68 is a dark, moderate blue. Relative luminance 0.046; OKLCH L 36.0% C 0.083 H 260.9°. Best body text is #FFFFFF at 10.95:1 contrast (WCAG AA passes).

Color values

HEX	#233C68
RGB	rgb(35, 60, 104)
HSL	hsl(218, 50%, 27%)
HSV	hsv(218, 66%, 41%)
CMYK	cmyk(66.3%, 42.3%, 0%, 59.2%)
CIE-LAB	lab(25.53, 5.90, -28.68)
CIE-LCH	lch(25.53, 29.29, 281.63°)
OKLab	oklab(35.98% -0.013 -0.0816)
OKLCH	oklch(35.98% 0.083 260.9)
XYZ	xyz(4.8068, 4.5881, 13.7263)
Luminance	0.0459 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233C68 #684F23

analogous

#235F68 #233C68 #2D2368

triadic

#233C68 #68233C #3C6823

tetradic

#233C68 #68235F #684F23 #23682D

square

#233C68 #68235F #684F23 #23682D

split-complementary

#233C68 #682D23 #5F6823

monochromatic

#080D17 #14223A #233C68 #325696 #4572C0

Accessibility & contrast

On white

10.95

#233C68 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#233C68 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233C68

10.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233C68	#FFFFFF	#000000	##FFFFFF
##233C68	1.00	10.95	1.92	10.95
#FFFFFF	10.95	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#29406A

Deuteranopia (green-blind)

#1F3A67

Tritanopia (blue-blind)

#00464D

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #233c68;
/* rgb */ color: rgb(35, 60, 104);
/* oklch */ color: oklch(36.0% 0.083 260.9);

Tailwind

colors: {
  custom: {
    50: '#657193',
    500: '#233c68',
    950: '#000000',
  },
}

SCSS

$custom: #233c68;
$custom-light: #657193;
$custom-dark: #000000;

JSON

{
  "hex": "#233c68",
  "rgb": {
    "r": 35,
    "g": 60,
    "b": 104
  },
  "hsl": {
    "h": 218.261,
    "s": 49.64,
    "l": 27.255
  },
  "oklch": {
    "l": 0.35981,
    "c": 0.08262,
    "h": 260.9
  },
  "luminance": 0.04589
}

Semantic roles & 50–950 ramp

primary

#233C68

secondary

#9B7E4B

accent

#A74FD9

background

#F6F6F9

surface

#EBECF1

border

#C6C7CB

text

#06070D

muted

#7A7A7E

Preview Lab

Preview with #233C68

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

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