#233F7F#233F7F

#233F7F is a dark, moderate blue. Relative luminance 0.054; OKLCH L 38.3% C 0.114 H 264.0°. Best body text is #FFFFFF at 10.05:1 contrast (WCAG AA passes).

Color values

HEX	#233F7F
RGB	rgb(35, 63, 127)
HSL	hsl(222, 57%, 32%)
HSV	hsv(222, 72%, 50%)
CMYK	cmyk(72.4%, 50.4%, 0%, 50.2%)
CIE-LAB	lab(27.96, 12.85, -39.37)
CIE-LCH	lch(27.96, 41.42, 288.08°)
OKLab	oklab(38.34% -0.0118 -0.1129)
OKLCH	oklch(38.34% 0.114 264)
XYZ	xyz(6.3001, 5.4440, 20.7933)
Luminance	0.0544 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233F7F #7F6323

analogous

#236D7F #233F7F #35237F

triadic

#233F7F #7F233F #3F7F23

tetradic

#233F7F #7F236D #7F6323 #237F35

square

#233F7F #7F236D #7F6323 #237F35

split-complementary

#233F7F #7F3523 #6D7F23

monochromatic

#090F1F #16274F #233F7F #3057AF #4E75CE

Accessibility & contrast

On white

10.05

#233F7F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#233F7F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233F7F

10.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233F7F	#FFFFFF	#000000	##FFFFFF
##233F7F	1.00	10.05	2.09	10.05
#FFFFFF	10.05	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C4681

Deuteranopia (green-blind)

#023E7E

Tritanopia (blue-blind)

#004E59

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #233f7f;
/* rgb */ color: rgb(35, 63, 127);
/* oklch */ color: oklch(38.3% 0.114 264.0);

Tailwind

colors: {
  custom: {
    50: '#6a73a5',
    500: '#233f7f',
    950: '#000000',
  },
}

SCSS

$custom: #233f7f;
$custom-light: #6a73a5;
$custom-dark: #000000;

JSON

{
  "hex": "#233f7f",
  "rgb": {
    "r": 35,
    "g": 63,
    "b": 127
  },
  "hsl": {
    "h": 221.739,
    "s": 56.79,
    "l": 31.765
  },
  "oklch": {
    "l": 0.38344,
    "c": 0.11357,
    "h": 264
  },
  "luminance": 0.05445
}

Semantic roles & 50–950 ramp

primary

#233F7F

secondary

#B1934C

accent

#B248E0

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #233F7F

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

Preview Lab → · Contrast checker → · Palette generator →