#233A72#233A72

#233A72 is a dark, moderate blue. Relative luminance 0.046; OKLCH L 36.2% C 0.101 H 265.0°. Best body text is #FFFFFF at 10.94:1 contrast (WCAG AA passes).

Color values

HEX	#233A72
RGB	rgb(35, 58, 114)
HSL	hsl(223, 53%, 29%)
HSV	hsv(223, 69%, 45%)
CMYK	cmyk(69.3%, 49.1%, 0%, 55.3%)
CIE-LAB	lab(25.56, 11.20, -35.04)
CIE-LCH	lch(25.56, 36.79, 287.73°)
OKLab	oklab(36.21% -0.0088 -0.1003)
OKLCH	oklch(36.21% 0.101 265)
XYZ	xyz(5.2424, 4.5978, 16.5275)
Luminance	0.0460 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233A72 #725B23

analogous

#236272 #233A72 #342372

triadic

#233A72 #72233A #3A7223

tetradic

#233A72 #722362 #725B23 #237234

square

#233A72 #722362 #725B23 #237234

split-complementary

#233A72 #723423 #627223

monochromatic

#070C17 #152243 #233A72 #3152A1 #486DC7

Accessibility & contrast

On white

10.94

#233A72 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#233A72 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233A72

10.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233A72	#FFFFFF	#000000	##FFFFFF
##233A72	1.00	10.94	1.92	10.94
#FFFFFF	10.94	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D4074

Deuteranopia (green-blind)

#0E3971

Tritanopia (blue-blind)

#004750

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #233a72;
/* rgb */ color: rgb(35, 58, 114);
/* oklch */ color: oklch(36.2% 0.101 265.0);

Tailwind

colors: {
  custom: {
    50: '#686f9b',
    500: '#233a72',
    950: '#000000',
  },
}

SCSS

$custom: #233a72;
$custom-light: #686f9b;
$custom-dark: #000000;

JSON

{
  "hex": "#233a72",
  "rgb": {
    "r": 35,
    "g": 58,
    "b": 114
  },
  "hsl": {
    "h": 222.532,
    "s": 53.02,
    "l": 29.216
  },
  "oklch": {
    "l": 0.36214,
    "c": 0.10066,
    "h": 265
  },
  "luminance": 0.04598
}

Semantic roles & 50–950 ramp

primary

#233A72

secondary

#A58B4C

accent

#B24BDC

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07070E

muted

#7A7A7E

Preview Lab

Preview with #233A72

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

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