#233E9E#233E9E

#233E9E is a dark, vivid blue. Relative luminance 0.063; OKLCH L 40.7% C 0.159 H 266.9°. Best body text is #FFFFFF at 9.32:1 contrast (WCAG AA passes).

Color values

HEX	#233E9E
RGB	rgb(35, 62, 158)
HSL	hsl(227, 64%, 38%)
HSV	hsv(227, 78%, 62%)
CMYK	cmyk(77.8%, 60.8%, 0%, 38%)
CIE-LAB	lab(30.08, 25.70, -55.02)
CIE-LCH	lch(30.08, 60.73, 295.04°)
OKLab	oklab(40.7% -0.0086 -0.159)
OKLCH	oklch(40.7% 0.159 266.9)
XYZ	xyz(8.5852, 6.2702, 33.0989)
Luminance	0.0627 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233E9E #9E8323

analogous

#237C9E #233E9E #45239E

triadic

#233E9E #9E233E #3E9E23

tetradic

#233E9E #9E237C #9E8323 #239E45

square

#233E9E #9E237C #9E8323 #239E45

split-complementary

#233E9E #9E4523 #7C9E23

monochromatic

#0D173A #182A6C #233E9E #2E52D0 #607BDC

Accessibility & contrast

On white

9.32

#233E9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#233E9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233E9E

9.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233E9E	#FFFFFF	#000000	##FFFFFF
##233E9E	1.00	9.32	2.25	9.32
#FFFFFF	9.32	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DA1

Deuteranopia (green-blind)

#00419C

Tritanopia (blue-blind)

#005668

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #233e9e;
/* rgb */ color: rgb(35, 62, 158);
/* oklch */ color: oklch(40.7% 0.159 266.9);

Tailwind

colors: {
  custom: {
    50: '#7272bb',
    500: '#233e9e',
    950: '#000000',
  },
}

SCSS

$custom: #233e9e;
$custom-light: #7272bb;
$custom-dark: #000000;

JSON

{
  "hex": "#233e9e",
  "rgb": {
    "r": 35,
    "g": 62,
    "b": 158
  },
  "hsl": {
    "h": 226.829,
    "s": 63.731,
    "l": 37.843
  },
  "oklch": {
    "l": 0.40701,
    "c": 0.15921,
    "h": 266.9
  },
  "luminance": 0.06271
}

Semantic roles & 50–950 ramp

primary

#233E9E

secondary

#C1AB5C

accent

#C241E7

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #233E9E

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

Preview Lab → · Contrast checker → · Palette generator →