#1D4983#1D4983

#1D4983 is a dark, moderate cyan. Relative luminance 0.067; OKLCH L 40.7% C 0.109 H 256.6°. Best body text is #FFFFFF at 9.00:1 contrast (WCAG AA passes).

Color values

HEX	#1D4983
RGB	rgb(29, 73, 131)
HSL	hsl(214, 64%, 31%)
HSV	hsv(214, 78%, 51%)
CMYK	cmyk(77.9%, 44.3%, 0%, 48.6%)
CIE-LAB	lab(31.03, 6.71, -36.96)
CIE-LCH	lch(31.03, 37.56, 280.30°)
OKLab	oklab(40.72% -0.0253 -0.1057)
OKLCH	oklch(40.72% 0.109 256.6)
XYZ	xyz(6.9845, 6.6642, 22.3865)
Luminance	0.0667 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4983 #83571D

analogous

#1D7C83 #1D4983 #241D83

triadic

#1D4983 #831D49 #49831D

tetradic

#1D4983 #831D7C #83571D #1D8324

square

#1D4983 #831D7C #83571D #1D8324

split-complementary

#1D4983 #83241D #7C831D

monochromatic

#07111F #122D51 #1D4983 #2865B5 #4583D6

Accessibility & contrast

On white

9.00

#1D4983 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#1D4983 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4983

9.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4983	#FFFFFF	#000000	##FFFFFF
##1D4983	1.00	9.00	2.33	9.00
#FFFFFF	9.00	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C4E85

Deuteranopia (green-blind)

#1A4582

Tritanopia (blue-blind)

#00575F

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #1d4983;
/* rgb */ color: rgb(29, 73, 131);
/* oklch */ color: oklch(40.7% 0.109 256.6);

Tailwind

colors: {
  custom: {
    50: '#697ba7',
    500: '#1d4983',
    950: '#000000',
  },
}

SCSS

$custom: #1d4983;
$custom-light: #697ba7;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4983",
  "rgb": {
    "r": 29,
    "g": 73,
    "b": 131
  },
  "hsl": {
    "h": 214.118,
    "s": 63.75,
    "l": 31.373
  },
  "oklch": {
    "l": 0.40723,
    "c": 0.10873,
    "h": 256.6
  },
  "luminance": 0.06665
}

Semantic roles & 50–950 ramp

primary

#1D4983

secondary

#B68646

accent

#9F41E7

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#07090F

muted

#7A7B7F

Preview Lab

Preview with #1D4983

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

Preview Lab → · Contrast checker → · Palette generator →