#233F69#233F69

#233F69 is a dark, moderate blue. Relative luminance 0.049; OKLCH L 36.8% C 0.080 H 258.3°. Best body text is #FFFFFF at 10.57:1 contrast (WCAG AA passes).

Color values

HEX	#233F69
RGB	rgb(35, 63, 105)
HSL	hsl(216, 50%, 27%)
HSV	hsv(216, 67%, 41%)
CMYK	cmyk(66.7%, 40%, 0%, 58.8%)
CIE-LAB	lab(26.54, 4.23, -27.72)
CIE-LCH	lch(26.54, 28.04, 278.68°)
OKLab	oklab(36.79% -0.0163 -0.0787)
OKLCH	oklch(36.79% 0.08 258.3)
XYZ	xyz(5.0195, 4.9318, 14.0493)
Luminance	0.0493 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233F69 #694D23

analogous

#236269 #233F69 #2A2369

triadic

#233F69 #69233F #3F6923

tetradic

#233F69 #692362 #694D23 #23692A

square

#233F69 #692362 #694D23 #23692A

split-complementary

#233F69 #692A23 #626923

monochromatic

#080E17 #14233B #233F69 #325B97 #4577C1

Accessibility & contrast

On white

10.57

#233F69 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#233F69 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233F69

10.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233F69	#FFFFFF	#000000	##FFFFFF
##233F69	1.00	10.57	1.99	10.57
#FFFFFF	10.57	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D426B

Deuteranopia (green-blind)

#233C68

Tritanopia (blue-blind)

#00494F

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #233f69;
/* rgb */ color: rgb(35, 63, 105);
/* oklch */ color: oklch(36.8% 0.080 258.3);

Tailwind

colors: {
  custom: {
    50: '#667394',
    500: '#233f69',
    950: '#000000',
  },
}

SCSS

$custom: #233f69;
$custom-light: #667394;
$custom-dark: #000000;

JSON

{
  "hex": "#233f69",
  "rgb": {
    "r": 35,
    "g": 63,
    "b": 105
  },
  "hsl": {
    "h": 216,
    "s": 50,
    "l": 27.451
  },
  "oklch": {
    "l": 0.36786,
    "c": 0.0804,
    "h": 258.3
  },
  "luminance": 0.04932
}

Semantic roles & 50–950 ramp

primary

#233F69

secondary

#9C7C4B

accent

#A24EDA

background

#F6F6F9

surface

#EBECF1

border

#C6C7CB

text

#06080D

muted

#7A7B7E

Preview Lab

Preview with #233F69

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

Preview Lab → · Contrast checker → · Palette generator →