#1D3D5D#1D3D5D

#1D3D5D is a dark, moderate cyan. Relative luminance 0.044; OKLCH L 35.2% C 0.068 H 250.3°. Best body text is #FFFFFF at 11.18:1 contrast (WCAG AA passes).

Color values

HEX	#1D3D5D
RGB	rgb(29, 61, 93)
HSL	hsl(210, 52%, 24%)
HSV	hsv(210, 69%, 36%)
CMYK	cmyk(68.8%, 34.4%, 0%, 63.5%)
CIE-LAB	lab(24.92, -0.29, -22.55)
CIE-LCH	lch(24.92, 22.55, 269.26°)
OKLab	oklab(35.22% -0.0228 -0.0638)
OKLCH	oklch(35.22% 0.068 250.3)
XYZ	xyz(4.1505, 4.3886, 10.9822)
Luminance	0.0439 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D3D5D #5D3D1D

analogous

#1D5D5D #1D3D5D #1D1D5D

triadic

#1D3D5D #5D1D3D #3D5D1D

tetradic

#1D3D5D #5D1D5D #5D3D1D #1D5D1D

square

#1D3D5D #5D1D5D #5D3D1D #1D5D1D

split-complementary

#1D3D5D #5D1D1D #5D5D1D

monochromatic

#070F17 #0E1E2E #1D3D5D #2C5C8C #3A7ABA

Accessibility & contrast

On white

11.18

#1D3D5D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#1D3D5D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D3D5D

11.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D3D5D	#FFFFFF	#000000	##FFFFFF
##1D3D5D	1.00	11.18	1.88	11.18
#FFFFFF	11.18	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F3F5E

Deuteranopia (green-blind)

#26385C

Tritanopia (blue-blind)

#004448

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #1d3d5d;
/* rgb */ color: rgb(29, 61, 93);
/* oklch */ color: oklch(35.2% 0.068 250.3);

Tailwind

colors: {
  custom: {
    50: '#60728b',
    500: '#1d3d5d',
    950: '#000000',
  },
}

SCSS

$custom: #1d3d5d;
$custom-light: #60728b;
$custom-dark: #000000;

JSON

{
  "hex": "#1d3d5d",
  "rgb": {
    "r": 29,
    "g": 61,
    "b": 93
  },
  "hsl": {
    "h": 210,
    "s": 52.459,
    "l": 23.922
  },
  "oklch": {
    "l": 0.35215,
    "c": 0.06772,
    "h": 250.3
  },
  "luminance": 0.04389
}

Semantic roles & 50–950 ramp

primary

#1D3D5D

secondary

#926B44

accent

#944CDC

background

#F5F6F8

surface

#EAECF0

border

#C6C7CB

text

#05070C

muted

#797A7D

Preview Lab

Preview with #1D3D5D

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

Preview Lab → · Contrast checker → · Palette generator →