#233EA1#233EA1

#233EA1 is a dark, vivid blue. Relative luminance 0.064; OKLCH L 41.0% C 0.163 H 267.0°. Best body text is #FFFFFF at 9.23:1 contrast (WCAG AA passes).

Color values

HEX	#233EA1
RGB	rgb(35, 62, 161)
HSL	hsl(227, 64%, 38%)
HSV	hsv(227, 78%, 63%)
CMYK	cmyk(78.3%, 61.5%, 0%, 36.9%)
CIE-LAB	lab(30.34, 26.86, -56.42)
CIE-LCH	lch(30.34, 62.49, 295.45°)
OKLab	oklab(40.97% -0.0086 -0.1631)
OKLCH	oklch(40.97% 0.163 267)
XYZ	xyz(8.8465, 6.3748, 34.4755)
Luminance	0.0638 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233EA1 #A18623

analogous

#237DA1 #233EA1 #4723A1

triadic

#233EA1 #A1233E #3EA123

tetradic

#233EA1 #A1237D #A18623 #23A147

square

#233EA1 #A1237D #A18623 #23A147

split-complementary

#233EA1 #A14723 #7DA123

monochromatic

#0D173C #182B6F #233EA1 #2F52D2 #627CDD

Accessibility & contrast

On white

9.23

#233EA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#233EA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233EA1

9.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233EA1	#FFFFFF	#000000	##FFFFFF
##233EA1	1.00	9.23	2.28	9.23
#FFFFFF	9.23	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DA4

Deuteranopia (green-blind)

#00429F

Tritanopia (blue-blind)

#005769

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #233ea1;
/* rgb */ color: rgb(35, 62, 161);
/* oklch */ color: oklch(41.0% 0.163 267.0);

Tailwind

colors: {
  custom: {
    50: '#7373be',
    500: '#233ea1',
    950: '#000000',
  },
}

SCSS

$custom: #233ea1;
$custom-light: #7373be;
$custom-dark: #000000;

JSON

{
  "hex": "#233ea1",
  "rgb": {
    "r": 35,
    "g": 62,
    "b": 161
  },
  "hsl": {
    "h": 227.143,
    "s": 64.286,
    "l": 38.431
  },
  "oklch": {
    "l": 0.4097,
    "c": 0.16331,
    "h": 267
  },
  "luminance": 0.06376
}

Semantic roles & 50–950 ramp

primary

#233EA1

secondary

#C2AC5E

accent

#C441E7

background

#F7F6FB

surface

#EEECF7

border

#C9C7D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #233EA1

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

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