#1D4C8A#1D4C8A

#1D4C8A is a dark, moderate cyan. Relative luminance 0.073; OKLCH L 41.9% C 0.115 H 256.7°. Best body text is #FFFFFF at 8.56:1 contrast (WCAG AA passes).

Color values

HEX	#1D4C8A
RGB	rgb(29, 76, 138)
HSL	hsl(214, 65%, 33%)
HSV	hsv(214, 79%, 54%)
CMYK	cmyk(79%, 44.9%, 0%, 45.9%)
CIE-LAB	lab(32.40, 7.51, -39.08)
CIE-LCH	lch(32.40, 39.79, 280.87°)
OKLab	oklab(41.93% -0.0265 -0.1119)
OKLCH	oklch(41.93% 0.115 256.7)
XYZ	xyz(7.6769, 7.2642, 25.0374)
Luminance	0.0727 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4C8A #8A5B1D

analogous

#1D838A #1D4C8A #241D8A

triadic

#1D4C8A #8A1D4C #4C8A1D

tetradic

#1D4C8A #8A1D83 #8A5B1D #1D8A24

square

#1D4C8A #8A1D83 #8A5B1D #1D8A24

split-complementary

#1D4C8A #8A241D #838A1D

monochromatic

#081425 #123057 #1D4C8A #2868BD #4987D9

Accessibility & contrast

On white

8.56

#1D4C8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#1D4C8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4C8A

8.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4C8A	#FFFFFF	#000000	##FFFFFF
##1D4C8A	1.00	8.56	2.45	8.56
#FFFFFF	8.56	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D528C

Deuteranopia (green-blind)

#174889

Tritanopia (blue-blind)

#005B64

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #1d4c8a;
/* rgb */ color: rgb(29, 76, 138);
/* oklch */ color: oklch(41.9% 0.115 256.7);

Tailwind

colors: {
  custom: {
    50: '#6a7dac',
    500: '#1d4c8a',
    950: '#000000',
  },
}

SCSS

$custom: #1d4c8a;
$custom-light: #6a7dac;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4c8a",
  "rgb": {
    "r": 29,
    "g": 76,
    "b": 138
  },
  "hsl": {
    "h": 214.128,
    "s": 65.269,
    "l": 32.745
  },
  "oklch": {
    "l": 0.4193,
    "c": 0.11504,
    "h": 256.7
  },
  "luminance": 0.07265
}

Semantic roles & 50–950 ramp

primary

#1D4C8A

secondary

#BB8948

accent

#A040E8

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#070910

muted

#7A7B7F

Preview Lab

Preview with #1D4C8A

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

Preview Lab → · Contrast checker → · Palette generator →