#1D4A82#1D4A82

#1D4A82 is a dark, moderate cyan. Relative luminance 0.068; OKLCH L 40.9% C 0.106 H 255.6°. Best body text is #FFFFFF at 8.92:1 contrast (WCAG AA passes).

Color values

HEX	#1D4A82
RGB	rgb(29, 74, 130)
HSL	hsl(213, 64%, 31%)
HSV	hsv(213, 78%, 51%)
CMYK	cmyk(77.7%, 43.1%, 0%, 49%)
CIE-LAB	lab(31.28, 5.64, -35.94)
CIE-LCH	lch(31.28, 36.38, 278.91°)
OKLab	oklab(40.89% -0.0265 -0.1028)
OKLCH	oklch(40.89% 0.106 255.6)
XYZ	xyz(6.9832, 6.7697, 22.0534)
Luminance	0.0677 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4A82 #82551D

analogous

#1D7C82 #1D4A82 #221D82

triadic

#1D4A82 #821D4A #4A821D

tetradic

#1D4A82 #821D7C #82551D #1D8222

square

#1D4A82 #821D7C #82551D #1D8222

split-complementary

#1D4A82 #82221D #7C821D

monochromatic

#07111E #122E50 #1D4A82 #2866B4 #4485D5

Accessibility & contrast

On white

8.92

#1D4A82 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#1D4A82 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4A82

8.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4A82	#FFFFFF	#000000	##FFFFFF
##1D4A82	1.00	8.92	2.35	8.92
#FFFFFF	8.92	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F4F84

Deuteranopia (green-blind)

#1D4581

Tritanopia (blue-blind)

#00575F

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #1d4a82;
/* rgb */ color: rgb(29, 74, 130);
/* oklch */ color: oklch(40.9% 0.106 255.6);

Tailwind

colors: {
  custom: {
    50: '#687ca7',
    500: '#1d4a82',
    950: '#000000',
  },
}

SCSS

$custom: #1d4a82;
$custom-light: #687ca7;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4a82",
  "rgb": {
    "r": 29,
    "g": 74,
    "b": 130
  },
  "hsl": {
    "h": 213.267,
    "s": 63.522,
    "l": 31.176
  },
  "oklch": {
    "l": 0.40894,
    "c": 0.10611,
    "h": 255.6
  },
  "luminance": 0.0677
}

Semantic roles & 50–950 ramp

primary

#1D4A82

secondary

#B58346

accent

#9D41E7

background

#F6F7FA

surface

#EBEDF4

border

#C6C8CE

text

#07090F

muted

#7A7B7F

Preview Lab

Preview with #1D4A82

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

Preview Lab → · Contrast checker → · Palette generator →