#233EA4#233EA4

#233EA4 is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.2% C 0.167 H 267.0°. Best body text is #FFFFFF at 9.14:1 contrast (WCAG AA passes).

Color values

HEX	#233EA4
RGB	rgb(35, 62, 164)
HSL	hsl(227, 65%, 39%)
HSV	hsv(227, 79%, 64%)
CMYK	cmyk(78.7%, 62.2%, 0%, 35.7%)
CIE-LAB	lab(30.60, 28.01, -57.81)
CIE-LCH	lch(30.60, 64.24, 295.85°)
OKLab	oklab(41.24% -0.0086 -0.1671)
OKLCH	oklch(41.24% 0.167 267)
XYZ	xyz(9.1143, 6.4819, 35.8855)
Luminance	0.0648 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233EA4 #A48923

analogous

#237FA4 #233EA4 #4923A4

triadic

#233EA4 #A4233E #3EA423

tetradic

#233EA4 #A4237F #A48923 #23A449

square

#233EA4 #A4237F #A48923 #23A449

split-complementary

#233EA4 #A44923 #7FA423

monochromatic

#0D183F #182B72 #233EA4 #3153D3 #647DDE

Accessibility & contrast

On white

9.14

#233EA4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#233EA4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233EA4

9.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233EA4	#FFFFFF	#000000	##FFFFFF
##233EA4	1.00	9.14	2.30	9.14
#FFFFFF	9.14	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EA7

Deuteranopia (green-blind)

#0042A2

Tritanopia (blue-blind)

#00586B

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #233ea4;
/* rgb */ color: rgb(35, 62, 164);
/* oklch */ color: oklch(41.2% 0.167 267.0);

Tailwind

colors: {
  custom: {
    50: '#7373c0',
    500: '#233ea4',
    950: '#000000',
  },
}

SCSS

$custom: #233ea4;
$custom-light: #7373c0;
$custom-dark: #000000;

JSON

{
  "hex": "#233ea4",
  "rgb": {
    "r": 35,
    "g": 62,
    "b": 164
  },
  "hsl": {
    "h": 227.442,
    "s": 64.824,
    "l": 39.02
  },
  "oklch": {
    "l": 0.41241,
    "c": 0.16737,
    "h": 267
  },
  "luminance": 0.06483
}

Semantic roles & 50–950 ramp

primary

#233EA4

secondary

#C3AE60

accent

#C540E8

background

#F7F6FB

surface

#EEECF7

border

#C9C7D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #233EA4

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

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