#233D68#233D68

#233D68 is a dark, moderate blue. Relative luminance 0.047; OKLCH L 36.2% C 0.081 H 259.9°. Best body text is #FFFFFF at 10.83:1 contrast (WCAG AA passes).

Color values

HEX	#233D68
RGB	rgb(35, 61, 104)
HSL	hsl(217, 50%, 27%)
HSV	hsv(217, 66%, 41%)
CMYK	cmyk(66.3%, 41.3%, 0%, 59.2%)
CIE-LAB	lab(25.84, 5.22, -28.18)
CIE-LCH	lch(25.84, 28.66, 280.49°)
OKLab	oklab(36.23% -0.0142 -0.0801)
OKLCH	oklch(36.23% 0.081 259.9)
XYZ	xyz(4.8597, 4.6938, 13.7439)
Luminance	0.0469 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233D68 #684E23

analogous

#236068 #233D68 #2B2368

triadic

#233D68 #68233D #3D6823

tetradic

#233D68 #682360 #684E23 #23682B

square

#233D68 #682360 #684E23 #23682B

split-complementary

#233D68 #682B23 #606823

monochromatic

#080D17 #14223A #233D68 #325896 #4573C0

Accessibility & contrast

On white

10.83

#233D68 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#233D68 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233D68

10.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233D68	#FFFFFF	#000000	##FFFFFF
##233D68	1.00	10.83	1.94	10.83
#FFFFFF	10.83	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A416A

Deuteranopia (green-blind)

#203A67

Tritanopia (blue-blind)

#00474D

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #233d68;
/* rgb */ color: rgb(35, 61, 104);
/* oklch */ color: oklch(36.2% 0.081 259.9);

Tailwind

colors: {
  custom: {
    50: '#657293',
    500: '#233d68',
    950: '#000000',
  },
}

SCSS

$custom: #233d68;
$custom-light: #657293;
$custom-dark: #000000;

JSON

{
  "hex": "#233d68",
  "rgb": {
    "r": 35,
    "g": 61,
    "b": 104
  },
  "hsl": {
    "h": 217.391,
    "s": 49.64,
    "l": 27.255
  },
  "oklch": {
    "l": 0.36226,
    "c": 0.08135,
    "h": 259.9
  },
  "luminance": 0.04694
}

Semantic roles & 50–950 ramp

primary

#233D68

secondary

#9B7D4B

accent

#A54FD9

background

#F6F6F9

surface

#EBECF1

border

#C6C7CB

text

#06070D

muted

#7A7A7E

Preview Lab

Preview with #233D68

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

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