#233C7E#233C7E

#233C7E is a dark, moderate blue. Relative luminance 0.051; OKLCH L 37.6% C 0.116 H 265.5°. Best body text is #FFFFFF at 10.40:1 contrast (WCAG AA passes).

Color values

HEX	#233C7E
RGB	rgb(35, 60, 126)
HSL	hsl(224, 57%, 32%)
HSV	hsv(224, 72%, 49%)
CMYK	cmyk(72.2%, 52.4%, 0%, 50.6%)
CIE-LAB	lab(27.00, 14.54, -40.30)
CIE-LCH	lch(27.00, 42.84, 289.84°)
OKLab	oklab(37.59% -0.0091 -0.1157)
OKLCH	oklch(37.59% 0.116 265.5)
XYZ	xyz(6.0736, 5.0948, 20.3979)
Luminance	0.0510 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233C7E #7E6523

analogous

#236A7E #233C7E #37237E

triadic

#233C7E #7E233C #3C7E23

tetradic

#233C7E #7E236A #7E6523 #237E37

square

#233C7E #7E236A #7E6523 #237E37

split-complementary

#233C7E #7E3723 #6A7E23

monochromatic

#080E1E #16254E #233C7E #3053AE #4E71CE

Accessibility & contrast

On white

10.40

#233C7E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#233C7E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233C7E

10.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233C7E	#FFFFFF	#000000	##FFFFFF
##233C7E	1.00	10.40	2.02	10.40
#FFFFFF	10.40	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#154480

Deuteranopia (green-blind)

#003C7D

Tritanopia (blue-blind)

#004C57

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #233c7e;
/* rgb */ color: rgb(35, 60, 126);
/* oklch */ color: oklch(37.6% 0.116 265.5);

Tailwind

colors: {
  custom: {
    50: '#6a71a4',
    500: '#233c7e',
    950: '#000000',
  },
}

SCSS

$custom: #233c7e;
$custom-light: #6a71a4;
$custom-dark: #000000;

JSON

{
  "hex": "#233c7e",
  "rgb": {
    "r": 35,
    "g": 60,
    "b": 126
  },
  "hsl": {
    "h": 223.516,
    "s": 56.522,
    "l": 31.569
  },
  "oklch": {
    "l": 0.37589,
    "c": 0.11607,
    "h": 265.5
  },
  "luminance": 0.05095
}

Semantic roles & 50–950 ramp

primary

#233C7E

secondary

#B0954C

accent

#B648E0

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #233C7E

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

Preview Lab → · Contrast checker → · Palette generator →