#182D74#182D74

#182D74 is a dark, vivid blue. Relative luminance 0.033; OKLCH L 32.9% C 0.125 H 266.7°. Best body text is #FFFFFF at 12.60:1 contrast (WCAG AA passes).

Color values

HEX	#182D74
RGB	rgb(24, 45, 116)
HSL	hsl(226, 66%, 27%)
HSV	hsv(226, 79%, 45%)
CMYK	cmyk(79.3%, 61.2%, 0%, 54.5%)
CIE-LAB	lab(21.32, 19.55, -43.19)
CIE-LCH	lch(21.32, 47.40, 294.35°)
OKLab	oklab(32.91% -0.0072 -0.1247)
OKLCH	oklch(32.91% 0.125 266.7)
XYZ	xyz(4.4664, 3.3314, 16.9272)
Luminance	0.0333 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182D74 #745F18

analogous

#185B74 #182D74 #311874

triadic

#182D74 #74182D #2D7418

tetradic

#182D74 #74185B #745F18 #187431

square

#182D74 #74185B #745F18 #187431

split-complementary

#182D74 #743118 #5B7418

monochromatic

#050A19 #0E1941 #182D74 #2241A7 #3257D5

Accessibility & contrast

On white

12.60

#182D74 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#182D74 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182D74

12.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182D74	#FFFFFF	#000000	##FFFFFF
##182D74	1.00	12.60	1.67	12.60
#FFFFFF	12.60	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003876

Deuteranopia (green-blind)

#002F73

Tritanopia (blue-blind)

#003F4B

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #182d74;
/* rgb */ color: rgb(24, 45, 116);
/* oklch */ color: oklch(32.9% 0.125 266.7);

Tailwind

colors: {
  custom: {
    50: '#65659d',
    500: '#182d74',
    950: '#000000',
  },
}

SCSS

$custom: #182d74;
$custom-light: #65659d;
$custom-dark: #000000;

JSON

{
  "hex": "#182d74",
  "rgb": {
    "r": 24,
    "g": 45,
    "b": 116
  },
  "hsl": {
    "h": 226.304,
    "s": 65.714,
    "l": 27.451
  },
  "oklch": {
    "l": 0.3291,
    "c": 0.12491,
    "h": 266.7
  },
  "luminance": 0.03332
}

Semantic roles & 50–950 ramp

primary

#182D74

secondary

#A9913F

accent

#C23FE9

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06050E

muted

#7A7A7E

Preview Lab

Preview with #182D74

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

Preview Lab → · Contrast checker → · Palette generator →