#233A84#233A84

#233A84 is a dark, vivid blue. Relative luminance 0.050; OKLCH L 37.6% C 0.128 H 267.0°. Best body text is #FFFFFF at 10.45:1 contrast (WCAG AA passes).

Color values

HEX	#233A84
RGB	rgb(35, 58, 132)
HSL	hsl(226, 58%, 33%)
HSV	hsv(226, 73%, 52%)
CMYK	cmyk(73.5%, 56.1%, 0%, 48.2%)
CIE-LAB	lab(26.87, 18.30, -44.26)
CIE-LCH	lch(26.87, 47.89, 292.46°)
OKLab	oklab(37.63% -0.0067 -0.1274)
OKLCH	oklch(37.63% 0.128 267)
XYZ	xyz(6.3696, 5.0487, 22.4641)
Luminance	0.0505 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233A84 #846D23

analogous

#236B84 #233A84 #3C2384

triadic

#233A84 #84233A #3A8423

tetradic

#233A84 #84236B #846D23 #23843C

square

#233A84 #84236B #846D23 #23843C

split-complementary

#233A84 #843C23 #6B8423

monochromatic

#090F23 #162554 #233A84 #304FB4 #516FD1

Accessibility & contrast

On white

10.45

#233A84 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#233A84 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233A84

10.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233A84	#FFFFFF	#000000	##FFFFFF
##233A84	1.00	10.45	2.01	10.45
#FFFFFF	10.45	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004487

Deuteranopia (green-blind)

#003B83

Tritanopia (blue-blind)

#004C59

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #233a84;
/* rgb */ color: rgb(35, 58, 132);
/* oklch */ color: oklch(37.6% 0.128 267.0);

Tailwind

colors: {
  custom: {
    50: '#6c6fa8',
    500: '#233a84',
    950: '#000000',
  },
}

SCSS

$custom: #233a84;
$custom-light: #6c6fa8;
$custom-dark: #000000;

JSON

{
  "hex": "#233a84",
  "rgb": {
    "r": 35,
    "g": 58,
    "b": 132
  },
  "hsl": {
    "h": 225.773,
    "s": 58.084,
    "l": 32.745
  },
  "oklch": {
    "l": 0.37633,
    "c": 0.12758,
    "h": 267
  },
  "luminance": 0.05049
}

Semantic roles & 50–950 ramp

primary

#233A84

secondary

#B49C4E

accent

#BD46E1

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#080710

muted

#7A7A7F

Preview Lab

Preview with #233A84

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

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