#1D4C8C#1D4C8C

#1D4C8C is a dark, moderate cyan. Relative luminance 0.073; OKLCH L 42.1% C 0.118 H 257.2°. Best body text is #FFFFFF at 8.52:1 contrast (WCAG AA passes).

Color values

HEX	#1D4C8C
RGB	rgb(29, 76, 140)
HSL	hsl(215, 66%, 33%)
HSV	hsv(215, 79%, 55%)
CMYK	cmyk(79.3%, 45.7%, 0%, 45.1%)
CIE-LAB	lab(32.53, 8.31, -40.10)
CIE-LCH	lch(32.53, 40.95, 281.71°)
OKLab	oklab(42.07% -0.0261 -0.1149)
OKLCH	oklch(42.07% 0.118 257.2)
XYZ	xyz(7.8230, 7.3226, 25.8070)
Luminance	0.0732 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4C8C #8C5D1D

analogous

#1D838C #1D4C8C #261D8C

triadic

#1D4C8C #8C1D4C #4C8C1D

tetradic

#1D4C8C #8C1D83 #8C5D1D #1D8C26

square

#1D4C8C #8C1D83 #8C5D1D #1D8C26

split-complementary

#1D4C8C #8C261D #838C1D

monochromatic

#081527 #123059 #1D4C8C #2868BF #4A87D9

Accessibility & contrast

On white

8.52

#1D4C8C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#1D4C8C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4C8C

8.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4C8C	#FFFFFF	#000000	##FFFFFF
##1D4C8C	1.00	8.52	2.46	8.52
#FFFFFF	8.52	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B528E

Deuteranopia (green-blind)

#14488B

Tritanopia (blue-blind)

#005B65

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #1d4c8c;
/* rgb */ color: rgb(29, 76, 140);
/* oklch */ color: oklch(42.1% 0.118 257.2);

Tailwind

colors: {
  custom: {
    50: '#6b7dae',
    500: '#1d4c8c',
    950: '#000000',
  },
}

SCSS

$custom: #1d4c8c;
$custom-light: #6b7dae;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4c8c",
  "rgb": {
    "r": 29,
    "g": 76,
    "b": 140
  },
  "hsl": {
    "h": 214.595,
    "s": 65.68,
    "l": 33.137
  },
  "oklch": {
    "l": 0.42072,
    "c": 0.11786,
    "h": 257.2
  },
  "luminance": 0.07324
}

Semantic roles & 50–950 ramp

primary

#1D4C8C

secondary

#BC8B49

accent

#A13FE9

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#080910

muted

#7A7B7F

Preview Lab

Preview with #1D4C8C

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

Preview Lab → · Contrast checker → · Palette generator →