#1D4463#1D4463

#1D4463 is a dark, moderate cyan. Relative luminance 0.053; OKLCH L 37.4% C 0.069 H 245.2°. Best body text is #FFFFFF at 10.20:1 contrast (WCAG AA passes).

Color values

HEX	#1D4463
RGB	rgb(29, 68, 99)
HSL	hsl(207, 55%, 25%)
HSV	hsv(207, 71%, 39%)
CMYK	cmyk(70.7%, 31.3%, 0%, 61.2%)
CIE-LAB	lab(27.56, -2.63, -22.28)
CIE-LCH	lch(27.56, 22.43, 263.27°)
OKLab	oklab(37.4% -0.029 -0.0629)
OKLCH	oklch(37.4% 0.069 245.2)
XYZ	xyz(4.8251, 5.2958, 12.5699)
Luminance	0.0530 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4463 #633C1D

analogous

#1D635F #1D4463 #1D2163

triadic

#1D4463 #631D44 #44631D

tetradic

#1D4463 #5F1D63 #633C1D #21631D

square

#1D4463 #5F1D63 #633C1D #21631D

split-complementary

#1D4463 #631D21 #635F1D

monochromatic

#071018 #0F2334 #1D4463 #2B6592 #3985C2

Accessibility & contrast

On white

10.20

#1D4463 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#1D4463 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4463

10.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4463	#FFFFFF	#000000	##FFFFFF
##1D4463	1.00	10.20	2.06	10.20
#FFFFFF	10.20	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#364564

Deuteranopia (green-blind)

#2D3E62

Tritanopia (blue-blind)

#004B4F

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #1d4463;
/* rgb */ color: rgb(29, 68, 99);
/* oklch */ color: oklch(37.4% 0.069 245.2);

Tailwind

colors: {
  custom: {
    50: '#62778f',
    500: '#1d4463',
    950: '#000000',
  },
}

SCSS

$custom: #1d4463;
$custom-light: #62778f;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4463",
  "rgb": {
    "r": 29,
    "g": 68,
    "b": 99
  },
  "hsl": {
    "h": 206.571,
    "s": 54.688,
    "l": 25.098
  },
  "oklch": {
    "l": 0.37402,
    "c": 0.06927,
    "h": 245.2
  },
  "luminance": 0.05296
}

Semantic roles & 50–950 ramp

primary

#1D4463

secondary

#986944

accent

#8B4ADE

background

#F6F7F8

surface

#EBEDF0

border

#C6C8CB

text

#05080C

muted

#7A7B7D

Preview Lab

Preview with #1D4463

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

Preview Lab → · Contrast checker → · Palette generator →