#233B68#233B68

#233B68 is a dark, moderate blue. Relative luminance 0.045; OKLCH L 35.7% C 0.084 H 261.9°. Best body text is #FFFFFF at 11.07:1 contrast (WCAG AA passes).

Color values

HEX	#233B68
RGB	rgb(35, 59, 104)
HSL	hsl(219, 50%, 27%)
HSV	hsv(219, 66%, 41%)
CMYK	cmyk(66.3%, 43.3%, 0%, 59.2%)
CIE-LAB	lab(25.21, 6.60, -29.19)
CIE-LCH	lch(25.21, 29.92, 282.74°)
OKLab	oklab(35.74% -0.0119 -0.0831)
OKLCH	oklch(35.74% 0.084 261.9)
XYZ	xyz(4.7549, 4.4843, 13.7090)
Luminance	0.0449 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233B68 #685023

analogous

#235E68 #233B68 #2D2368

triadic

#233B68 #68233B #3B6823

tetradic

#233B68 #68235E #685023 #23682D

square

#233B68 #68235E #685023 #23682D

split-complementary

#233B68 #682D23 #5E6823

monochromatic

#080D17 #14213A #233B68 #325596 #4570C0

Accessibility & contrast

On white

11.07

#233B68 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#233B68 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233B68

11.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233B68	#FFFFFF	#000000	##FFFFFF
##233B68	1.00	11.07	1.90	11.07
#FFFFFF	11.07	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#273F6A

Deuteranopia (green-blind)

#1D3967

Tritanopia (blue-blind)

#00454C

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #233b68;
/* rgb */ color: rgb(35, 59, 104);
/* oklch */ color: oklch(35.7% 0.084 261.9);

Tailwind

colors: {
  custom: {
    50: '#657093',
    500: '#233b68',
    950: '#000000',
  },
}

SCSS

$custom: #233b68;
$custom-light: #657093;
$custom-dark: #000000;

JSON

{
  "hex": "#233b68",
  "rgb": {
    "r": 35,
    "g": 59,
    "b": 104
  },
  "hsl": {
    "h": 219.13,
    "s": 49.64,
    "l": 27.255
  },
  "oklch": {
    "l": 0.35737,
    "c": 0.08392,
    "h": 261.9
  },
  "luminance": 0.04485
}

Semantic roles & 50–950 ramp

primary

#233B68

secondary

#9B804B

accent

#A94FD9

background

#F6F6F9

surface

#EBECF1

border

#C6C7CB

text

#06070D

muted

#7A7A7E

Preview Lab

Preview with #233B68

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

Preview Lab → · Contrast checker → · Palette generator →