#233E9F#233E9F

#233E9F is a dark, vivid blue. Relative luminance 0.063; OKLCH L 40.8% C 0.161 H 266.9°. Best body text is #FFFFFF at 9.29:1 contrast (WCAG AA passes).

Color values

HEX	#233E9F
RGB	rgb(35, 62, 159)
HSL	hsl(227, 64%, 38%)
HSV	hsv(227, 78%, 62%)
CMYK	cmyk(78%, 61%, 0%, 37.6%)
CIE-LAB	lab(30.17, 26.09, -55.49)
CIE-LCH	lch(30.17, 61.32, 295.18°)
OKLab	oklab(40.79% -0.0086 -0.1603)
OKLCH	oklch(40.79% 0.161 266.9)
XYZ	xyz(8.6716, 6.3048, 33.5541)
Luminance	0.0631 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233E9F #9F8423

analogous

#237C9F #233E9F #46239F

triadic

#233E9F #9F233E #3E9F23

tetradic

#233E9F #9F237C #9F8423 #239F46

square

#233E9F #9F237C #9F8423 #239F46

split-complementary

#233E9F #9F4623 #7C9F23

monochromatic

#0D173B #182A6D #233E9F #2E52D1 #607BDC

Accessibility & contrast

On white

9.29

#233E9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#233E9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233E9F

9.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233E9F	#FFFFFF	#000000	##FFFFFF
##233E9F	1.00	9.29	2.26	9.29
#FFFFFF	9.29	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DA2

Deuteranopia (green-blind)

#00419D

Tritanopia (blue-blind)

#005768

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #233e9f;
/* rgb */ color: rgb(35, 62, 159);
/* oklch */ color: oklch(40.8% 0.161 266.9);

Tailwind

colors: {
  custom: {
    50: '#7273bc',
    500: '#233e9f',
    950: '#000000',
  },
}

SCSS

$custom: #233e9f;
$custom-light: #7273bc;
$custom-dark: #000000;

JSON

{
  "hex": "#233e9f",
  "rgb": {
    "r": 35,
    "g": 62,
    "b": 159
  },
  "hsl": {
    "h": 226.935,
    "s": 63.918,
    "l": 38.039
  },
  "oklch": {
    "l": 0.4079,
    "c": 0.16058,
    "h": 266.9
  },
  "luminance": 0.06306
}

Semantic roles & 50–950 ramp

primary

#233E9F

secondary

#C1AB5D

accent

#C341E7

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #233E9F

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

Preview Lab → · Contrast checker → · Palette generator →