#233E9C#233E9C

#233E9C is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.5% C 0.156 H 266.8°. Best body text is #FFFFFF at 9.37:1 contrast (WCAG AA passes).

Color values

HEX	#233E9C
RGB	rgb(35, 62, 156)
HSL	hsl(227, 63%, 37%)
HSV	hsv(227, 78%, 61%)
CMYK	cmyk(77.6%, 60.3%, 0%, 38.8%)
CIE-LAB	lab(29.92, 24.93, -54.08)
CIE-LCH	lch(29.92, 59.55, 294.75°)
OKLab	oklab(40.52% -0.0087 -0.1562)
OKLCH	oklch(40.52% 0.156 266.8)
XYZ	xyz(8.4144, 6.2019, 32.1997)
Luminance	0.0620 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233E9C #9C8123

analogous

#237A9C #233E9C #45239C

triadic

#233E9C #9C233E #3E9C23

tetradic

#233E9C #9C237A #9C8123 #239C45

square

#233E9C #9C237A #9C8123 #239C45

split-complementary

#233E9C #9C4523 #7A9C23

monochromatic

#0D1638 #182A6A #233E9C #2E52CE #5E7ADB

Accessibility & contrast

On white

9.37

#233E9C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#233E9C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233E9C

9.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233E9C	#FFFFFF	#000000	##FFFFFF
##233E9C	1.00	9.37	2.24	9.37
#FFFFFF	9.37	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004C9F

Deuteranopia (green-blind)

#00419A

Tritanopia (blue-blind)

#005667

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #233e9c;
/* rgb */ color: rgb(35, 62, 156);
/* oklch */ color: oklch(40.5% 0.156 266.8);

Tailwind

colors: {
  custom: {
    50: '#7172ba',
    500: '#233e9c',
    950: '#000000',
  },
}

SCSS

$custom: #233e9c;
$custom-light: #7172ba;
$custom-dark: #000000;

JSON

{
  "hex": "#233e9c",
  "rgb": {
    "r": 35,
    "g": 62,
    "b": 156
  },
  "hsl": {
    "h": 226.612,
    "s": 63.351,
    "l": 37.451
  },
  "oklch": {
    "l": 0.40523,
    "c": 0.15646,
    "h": 266.8
  },
  "luminance": 0.06203
}

Semantic roles & 50–950 ramp

primary

#233E9C

secondary

#C0A95B

accent

#C241E6

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #233E9C

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

Preview Lab → · Contrast checker → · Palette generator →