#1D4C82#1D4C82

#1D4C82 is a dark, moderate cyan. Relative luminance 0.070; OKLCH L 41.4% C 0.104 H 254.1°. Best body text is #FFFFFF at 8.72:1 contrast (WCAG AA passes).

Color values

HEX	#1D4C82
RGB	rgb(29, 76, 130)
HSL	hsl(212, 64%, 31%)
HSV	hsv(212, 78%, 51%)
CMYK	cmyk(77.7%, 41.5%, 0%, 49%)
CIE-LAB	lab(31.90, 4.30, -34.95)
CIE-LCH	lch(31.90, 35.21, 277.01°)
OKLab	oklab(41.38% -0.0284 -0.0998)
OKLCH	oklch(41.38% 0.104 254.1)
XYZ	xyz(7.1189, 7.0410, 22.0986)
Luminance	0.0704 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4C82 #82531D

analogous

#1D7E82 #1D4C82 #201D82

triadic

#1D4C82 #821D4C #4C821D

tetradic

#1D4C82 #821D7E #82531D #1D8220

square

#1D4C82 #821D7E #82531D #1D8220

split-complementary

#1D4C82 #82201D #7E821D

monochromatic

#07111E #122F50 #1D4C82 #2869B4 #4488D5

Accessibility & contrast

On white

8.72

#1D4C82 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#1D4C82 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4C82

8.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4C82	#FFFFFF	#000000	##FFFFFF
##1D4C82	1.00	8.72	2.41	8.72
#FFFFFF	8.72	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#325084

Deuteranopia (green-blind)

#224781

Tritanopia (blue-blind)

#005960

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #1d4c82;
/* rgb */ color: rgb(29, 76, 130);
/* oklch */ color: oklch(41.4% 0.104 254.1);

Tailwind

colors: {
  custom: {
    50: '#687da6',
    500: '#1d4c82',
    950: '#000000',
  },
}

SCSS

$custom: #1d4c82;
$custom-light: #687da6;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4c82",
  "rgb": {
    "r": 29,
    "g": 76,
    "b": 130
  },
  "hsl": {
    "h": 212.079,
    "s": 63.522,
    "l": 31.176
  },
  "oklch": {
    "l": 0.41379,
    "c": 0.10375,
    "h": 254.1
  },
  "luminance": 0.07042
}

Semantic roles & 50–950 ramp

primary

#1D4C82

secondary

#B58146

accent

#9A41E7

background

#F6F7FA

surface

#EBEEF4

border

#C6C9CE

text

#07090F

muted

#7A7B7F

Preview Lab

Preview with #1D4C82

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

Preview Lab → · Contrast checker → · Palette generator →