#1D4D82#1D4D82

#1D4D82 is a dark, moderate cyan. Relative luminance 0.072; OKLCH L 41.6% C 0.103 H 253.4°. Best body text is #FFFFFF at 8.62:1 contrast (WCAG AA passes).

Color values

HEX	#1D4D82
RGB	rgb(29, 77, 130)
HSL	hsl(211, 64%, 31%)
HSV	hsv(211, 78%, 51%)
CMYK	cmyk(77.7%, 40.8%, 0%, 49%)
CIE-LAB	lab(32.21, 3.63, -34.45)
CIE-LCH	lch(32.21, 34.64, 276.02°)
OKLab	oklab(41.62% -0.0293 -0.0983)
OKLCH	oklch(41.62% 0.103 253.4)
XYZ	xyz(7.1883, 7.1798, 22.1218)
Luminance	0.0718 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4D82 #82521D

analogous

#1D7F82 #1D4D82 #1F1D82

triadic

#1D4D82 #821D4D #4D821D

tetradic

#1D4D82 #821D7F #82521D #1D821F

square

#1D4D82 #821D7F #82521D #1D821F

split-complementary

#1D4D82 #821F1D #7F821D

monochromatic

#07121E #122F50 #1D4D82 #286BB4 #4489D5

Accessibility & contrast

On white

8.62

#1D4D82 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#1D4D82 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4D82

8.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4D82	#FFFFFF	#000000	##FFFFFF
##1D4D82	1.00	8.62	2.44	8.62
#FFFFFF	8.62	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#345184

Deuteranopia (green-blind)

#244881

Tritanopia (blue-blind)

#005961

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #1d4d82;
/* rgb */ color: rgb(29, 77, 130);
/* oklch */ color: oklch(41.6% 0.103 253.4);

Tailwind

colors: {
  custom: {
    50: '#687ea6',
    500: '#1d4d82',
    950: '#000000',
  },
}

SCSS

$custom: #1d4d82;
$custom-light: #687ea6;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4d82",
  "rgb": {
    "r": 29,
    "g": 77,
    "b": 130
  },
  "hsl": {
    "h": 211.485,
    "s": 63.522,
    "l": 31.176
  },
  "oklch": {
    "l": 0.41623,
    "c": 0.1026,
    "h": 253.4
  },
  "luminance": 0.07181
}

Semantic roles & 50–950 ramp

primary

#1D4D82

secondary

#B58046

accent

#9841E7

background

#F6F7FA

surface

#EBEEF4

border

#C6C9CE

text

#07090F

muted

#7A7B7F

Preview Lab

Preview with #1D4D82

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

Preview Lab → · Contrast checker → · Palette generator →