#1D4C8D#1D4C8D

#1D4C8D is a dark, moderate cyan. Relative luminance 0.074; OKLCH L 42.1% C 0.119 H 257.4°. Best body text is #FFFFFF at 8.50:1 contrast (WCAG AA passes).

Color values

HEX	#1D4C8D
RGB	rgb(29, 76, 141)
HSL	hsl(215, 66%, 33%)
HSV	hsv(215, 79%, 55%)
CMYK	cmyk(79.4%, 46.1%, 0%, 44.7%)
CIE-LAB	lab(32.60, 8.71, -40.61)
CIE-LCH	lch(32.60, 41.53, 282.11°)
OKLab	oklab(42.14% -0.0259 -0.1164)
OKLCH	oklch(42.14% 0.119 257.4)
XYZ	xyz(7.8971, 7.3523, 26.1971)
Luminance	0.0735 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4C8D #8D5E1D

analogous

#1D848D #1D4C8D #261D8D

triadic

#1D4C8D #8D1D4C #4C8D1D

tetradic

#1D4C8D #8D1D84 #8D5E1D #1D8D26

square

#1D4C8D #8D1D84 #8D5E1D #1D8D26

split-complementary

#1D4C8D #8D261D #848D1D

monochromatic

#081527 #13315A #1D4C8D #2767C0 #4B87DA

Accessibility & contrast

On white

8.50

#1D4C8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#1D4C8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4C8D

8.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4C8D	#FFFFFF	#000000	##FFFFFF
##1D4C8D	1.00	8.50	2.47	8.50
#FFFFFF	8.50	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A528F

Deuteranopia (green-blind)

#12488C

Tritanopia (blue-blind)

#005B65

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #1d4c8d;
/* rgb */ color: rgb(29, 76, 141);
/* oklch */ color: oklch(42.1% 0.119 257.4);

Tailwind

colors: {
  custom: {
    50: '#6b7daf',
    500: '#1d4c8d',
    950: '#000000',
  },
}

SCSS

$custom: #1d4c8d;
$custom-light: #6b7daf;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4c8d",
  "rgb": {
    "r": 29,
    "g": 76,
    "b": 141
  },
  "hsl": {
    "h": 214.821,
    "s": 65.882,
    "l": 33.333
  },
  "oklch": {
    "l": 0.42144,
    "c": 0.11928,
    "h": 257.4
  },
  "luminance": 0.07353
}

Semantic roles & 50–950 ramp

primary

#1D4C8D

secondary

#BC8C4A

accent

#A23FE9

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#080910

muted

#7A7B7F

Preview Lab

Preview with #1D4C8D

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

Preview Lab → · Contrast checker → · Palette generator →