#233D72#233D72

#233D72 is a dark, moderate blue. Relative luminance 0.049; OKLCH L 36.9% C 0.097 H 262.9°. Best body text is #FFFFFF at 10.60:1 contrast (WCAG AA passes).

Color values

HEX	#233D72
RGB	rgb(35, 61, 114)
HSL	hsl(220, 53%, 29%)
HSV	hsv(220, 69%, 45%)
CMYK	cmyk(69.3%, 46.5%, 0%, 55.3%)
CIE-LAB	lab(26.47, 9.11, -33.57)
CIE-LCH	lch(26.47, 34.78, 285.19°)
OKLab	oklab(36.92% -0.012 -0.0959)
OKLCH	oklch(36.92% 0.097 262.9)
XYZ	xyz(5.3981, 4.9092, 16.5794)
Luminance	0.0491 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233D72 #725823

analogous

#236572 #233D72 #312372

triadic

#233D72 #72233D #3D7223

tetradic

#233D72 #722365 #725823 #237231

square

#233D72 #722365 #725823 #237231

split-complementary

#233D72 #723123 #657223

monochromatic

#070D17 #152443 #233D72 #3156A1 #4872C7

Accessibility & contrast

On white

10.60

#233D72 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#233D72 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233D72

10.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233D72	#FFFFFF	#000000	##FFFFFF
##233D72	1.00	10.60	1.98	10.60
#FFFFFF	10.60	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#234374

Deuteranopia (green-blind)

#163B71

Tritanopia (blue-blind)

#004952

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #233d72;
/* rgb */ color: rgb(35, 61, 114);
/* oklch */ color: oklch(36.9% 0.097 262.9);

Tailwind

colors: {
  custom: {
    50: '#67729b',
    500: '#233d72',
    950: '#000000',
  },
}

SCSS

$custom: #233d72;
$custom-light: #67729b;
$custom-dark: #000000;

JSON

{
  "hex": "#233d72",
  "rgb": {
    "r": 35,
    "g": 61,
    "b": 114
  },
  "hsl": {
    "h": 220.253,
    "s": 53.02,
    "l": 29.216
  },
  "oklch": {
    "l": 0.36918,
    "c": 0.09666,
    "h": 262.9
  },
  "luminance": 0.0491
}

Semantic roles & 50–950 ramp

primary

#233D72

secondary

#A5884C

accent

#AD4BDC

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07070E

muted

#7A7A7E

Preview Lab

Preview with #233D72

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

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