#233E8D#233E8D

#233E8D is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.2% C 0.135 H 266.0°. Best body text is #FFFFFF at 9.79:1 contrast (WCAG AA passes).

Color values

HEX	#233E8D
RGB	rgb(35, 62, 141)
HSL	hsl(225, 60%, 35%)
HSV	hsv(225, 75%, 55%)
CMYK	cmyk(75.2%, 56%, 0%, 44.7%)
CIE-LAB	lab(28.71, 19.07, -46.87)
CIE-LCH	lch(28.71, 50.60, 292.14°)
OKLab	oklab(39.24% -0.0094 -0.135)
OKLCH	oklch(39.24% 0.135 266)
XYZ	xyz(7.2218, 5.7249, 25.9185)
Luminance	0.0573 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233E8D #8D7223

analogous

#23738D #233E8D #3D238D

triadic

#233E8D #8D233E #3E8D23

tetradic

#233E8D #8D2373 #8D7223 #238D3D

square

#233E8D #8D2373 #8D7223 #238D3D

split-complementary

#233E8D #8D3D23 #738D23

monochromatic

#0B132B #17285C #233E8D #2F54BE #5576D5

Accessibility & contrast

On white

9.79

#233E8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#233E8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233E8D

9.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233E8D	#FFFFFF	#000000	##FFFFFF
##233E8D	1.00	9.79	2.15	9.79
#FFFFFF	9.79	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004990

Deuteranopia (green-blind)

#003F8B

Tritanopia (blue-blind)

#00515F

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #233e8d;
/* rgb */ color: rgb(35, 62, 141);
/* oklch */ color: oklch(39.2% 0.135 266.0);

Tailwind

colors: {
  custom: {
    50: '#6e72af',
    500: '#233e8d',
    950: '#000000',
  },
}

SCSS

$custom: #233e8d;
$custom-light: #6e72af;
$custom-dark: #000000;

JSON

{
  "hex": "#233e8d",
  "rgb": {
    "r": 35,
    "g": 62,
    "b": 141
  },
  "hsl": {
    "h": 224.717,
    "s": 60.227,
    "l": 34.51
  },
  "oklch": {
    "l": 0.39237,
    "c": 0.13535,
    "h": 266
  },
  "luminance": 0.05726
}

Semantic roles & 50–950 ramp

primary

#233E8D

secondary

#B99F53

accent

#BB44E3

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #233E8D

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

Preview Lab → · Contrast checker → · Palette generator →