#233F68#233F68

#233F68 is a dark, moderate blue. Relative luminance 0.049; OKLCH L 36.7% C 0.079 H 257.9°. Best body text is #FFFFFF at 10.59:1 contrast (WCAG AA passes).

Color values

HEX	#233F68
RGB	rgb(35, 63, 104)
HSL	hsl(216, 50%, 27%)
HSV	hsv(216, 66%, 41%)
CMYK	cmyk(66.3%, 39.4%, 0%, 59.2%)
CIE-LAB	lab(26.48, 3.84, -27.17)
CIE-LCH	lch(26.48, 27.44, 278.05°)
OKLab	oklab(36.72% -0.0165 -0.0771)
OKLCH	oklch(36.72% 0.079 257.9)
XYZ	xyz(4.9684, 4.9114, 13.7802)
Luminance	0.0491 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233F68 #684C23

analogous

#236268 #233F68 #2A2368

triadic

#233F68 #68233F #3F6823

tetradic

#233F68 #682362 #684C23 #23682A

square

#233F68 #682362 #684C23 #23682A

split-complementary

#233F68 #682A23 #626823

monochromatic

#080E17 #14233A #233F68 #325B96 #4577C0

Accessibility & contrast

On white

10.59

#233F68 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#233F68 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233F68

10.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233F68	#FFFFFF	#000000	##FFFFFF
##233F68	1.00	10.59	1.98	10.59
#FFFFFF	10.59	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D426A

Deuteranopia (green-blind)

#243C67

Tritanopia (blue-blind)

#00484E

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #233f68;
/* rgb */ color: rgb(35, 63, 104);
/* oklch */ color: oklch(36.7% 0.079 257.9);

Tailwind

colors: {
  custom: {
    50: '#657393',
    500: '#233f68',
    950: '#000000',
  },
}

SCSS

$custom: #233f68;
$custom-light: #657393;
$custom-dark: #000000;

JSON

{
  "hex": "#233f68",
  "rgb": {
    "r": 35,
    "g": 63,
    "b": 104
  },
  "hsl": {
    "h": 215.652,
    "s": 49.64,
    "l": 27.255
  },
  "oklch": {
    "l": 0.36721,
    "c": 0.07888,
    "h": 257.9
  },
  "luminance": 0.04912
}

Semantic roles & 50–950 ramp

primary

#233F68

secondary

#9B7B4B

accent

#A14FD9

background

#F6F6F9

surface

#EBECF1

border

#C6C7CB

text

#06080D

muted

#7A7B7E

Preview Lab

Preview with #233F68

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

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