#233B67#233B67

#233B67 is a dark, moderate blue. Relative luminance 0.045; OKLCH L 35.7% C 0.082 H 261.6°. Best body text is #FFFFFF at 11.09:1 contrast (WCAG AA passes).

Color values

HEX	#233B67
RGB	rgb(35, 59, 103)
HSL	hsl(219, 49%, 27%)
HSV	hsv(219, 66%, 40%)
CMYK	cmyk(66%, 42.7%, 0%, 59.6%)
CIE-LAB	lab(25.15, 6.21, -28.64)
CIE-LCH	lch(25.15, 29.31, 282.23°)
OKLab	oklab(35.67% -0.0121 -0.0815)
OKLCH	oklch(35.67% 0.082 261.6)
XYZ	xyz(4.7044, 4.4641, 13.4431)
Luminance	0.0447 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233B67 #674F23

analogous

#235D67 #233B67 #2D2367

triadic

#233B67 #67233B #3B6723

tetradic

#233B67 #67235D #674F23 #23672D

square

#233B67 #67235D #674F23 #23672D

split-complementary

#233B67 #672D23 #5D6723

monochromatic

#080D17 #132139 #233B67 #335595 #4570C0

Accessibility & contrast

On white

11.09

#233B67 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#233B67 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233B67

11.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233B67	#FFFFFF	#000000	##FFFFFF
##233B67	1.00	11.09	1.89	11.09
#FFFFFF	11.09	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#283F69

Deuteranopia (green-blind)

#1E3966

Tritanopia (blue-blind)

#00454C

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #233b67;
/* rgb */ color: rgb(35, 59, 103);
/* oklch */ color: oklch(35.7% 0.082 261.6);

Tailwind

colors: {
  custom: {
    50: '#657092',
    500: '#233b67',
    950: '#000000',
  },
}

SCSS

$custom: #233b67;
$custom-light: #657092;
$custom-dark: #000000;

JSON

{
  "hex": "#233b67",
  "rgb": {
    "r": 35,
    "g": 59,
    "b": 103
  },
  "hsl": {
    "h": 218.824,
    "s": 49.275,
    "l": 27.059
  },
  "oklch": {
    "l": 0.35669,
    "c": 0.08237,
    "h": 261.6
  },
  "luminance": 0.04465
}

Semantic roles & 50–950 ramp

primary

#233B67

secondary

#9B7F4B

accent

#A84FD9

background

#F6F6F9

surface

#EBECF1

border

#C6C7CB

text

#06070D

muted

#7A7A7E

Preview Lab

Preview with #233B67

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

Preview Lab → · Contrast checker → · Palette generator →