#233E9D#233E9D

#233E9D is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.6% C 0.158 H 266.9°. Best body text is #FFFFFF at 9.34:1 contrast (WCAG AA passes).

Color values

HEX	#233E9D
RGB	rgb(35, 62, 157)
HSL	hsl(227, 64%, 38%)
HSV	hsv(227, 78%, 62%)
CMYK	cmyk(77.7%, 60.5%, 0%, 38.4%)
CIE-LAB	lab(30.00, 25.31, -54.55)
CIE-LCH	lch(30.00, 60.14, 294.89°)
OKLab	oklab(40.61% -0.0087 -0.1576)
OKLCH	oklch(40.61% 0.158 266.9)
XYZ	xyz(8.4994, 6.2359, 32.6475)
Luminance	0.0624 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233E9D #9D8223

analogous

#237B9D #233E9D #45239D

triadic

#233E9D #9D233E #3E9D23

tetradic

#233E9D #9D237B #9D8223 #239D45

square

#233E9D #9D237B #9D8223 #239D45

split-complementary

#233E9D #9D4523 #7B9D23

monochromatic

#0D1639 #182A6B #233E9D #2E52CF #5F7BDB

Accessibility & contrast

On white

9.34

#233E9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#233E9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233E9D

9.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233E9D	#FFFFFF	#000000	##FFFFFF
##233E9D	1.00	9.34	2.25	9.34
#FFFFFF	9.34	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DA0

Deuteranopia (green-blind)

#00419B

Tritanopia (blue-blind)

#005667

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #233e9d;
/* rgb */ color: rgb(35, 62, 157);
/* oklch */ color: oklch(40.6% 0.158 266.9);

Tailwind

colors: {
  custom: {
    50: '#7272bb',
    500: '#233e9d',
    950: '#000000',
  },
}

SCSS

$custom: #233e9d;
$custom-light: #7272bb;
$custom-dark: #000000;

JSON

{
  "hex": "#233e9d",
  "rgb": {
    "r": 35,
    "g": 62,
    "b": 157
  },
  "hsl": {
    "h": 226.721,
    "s": 63.542,
    "l": 37.647
  },
  "oklch": {
    "l": 0.40612,
    "c": 0.15784,
    "h": 266.9
  },
  "luminance": 0.06237
}

Semantic roles & 50–950 ramp

primary

#233E9D

secondary

#C0AA5C

accent

#C241E7

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #233E9D

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

Preview Lab → · Contrast checker → · Palette generator →