#182D7F#182D7F

#182D7F is a dark, vivid blue. Relative luminance 0.036; OKLCH L 34.0% C 0.141 H 267.1°. Best body text is #FFFFFF at 12.21:1 contrast (WCAG AA passes).

Color values

HEX	#182D7F
RGB	rgb(24, 45, 127)
HSL	hsl(228, 68%, 30%)
HSV	hsv(228, 81%, 50%)
CMYK	cmyk(81.1%, 64.6%, 0%, 50.2%)
CIE-LAB	lab(22.31, 24.00, -48.57)
CIE-LCH	lch(22.31, 54.18, 296.29°)
OKLab	oklab(33.95% -0.0071 -0.1405)
OKLCH	oklch(33.95% 0.141 267.1)
XYZ	xyz(5.1445, 3.6027, 20.4988)
Luminance	0.0360 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182D7F #7F6A18

analogous

#18617F #182D7F #37187F

triadic

#182D7F #7F182D #2D7F18

tetradic

#182D7F #7F1861 #7F6A18 #187F37

square

#182D7F #7F1861 #7F6A18 #187F37

split-complementary

#182D7F #7F3718 #617F18

monochromatic

#05091A #0E1B4C #182D7F #223FB2 #3859D9

Accessibility & contrast

On white

12.21

#182D7F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#182D7F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182D7F

12.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182D7F	#FFFFFF	#000000	##FFFFFF
##182D7F	1.00	12.21	1.72	12.21
#FFFFFF	12.21	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A82

Deuteranopia (green-blind)

#00317D

Tritanopia (blue-blind)

#004251

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #182d7f;
/* rgb */ color: rgb(24, 45, 127);
/* oklch */ color: oklch(34.0% 0.141 267.1);

Tailwind

colors: {
  custom: {
    50: '#6865a5',
    500: '#182d7f',
    950: '#000000',
  },
}

SCSS

$custom: #182d7f;
$custom-light: #6865a5;
$custom-dark: #000000;

JSON

{
  "hex": "#182d7f",
  "rgb": {
    "r": 24,
    "g": 45,
    "b": 127
  },
  "hsl": {
    "h": 227.767,
    "s": 68.212,
    "l": 29.608
  },
  "oklch": {
    "l": 0.3395,
    "c": 0.14068,
    "h": 267.1
  },
  "luminance": 0.03603
}

Semantic roles & 50–950 ramp

primary

#182D7F

secondary

#B39C3F

accent

#C83DEB

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#07050F

muted

#7A7A7F

Preview Lab

Preview with #182D7F

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

Preview Lab → · Contrast checker → · Palette generator →