#1D4152#1D4152

#1D4152 is a dark, muted cyan. Relative luminance 0.047; OKLCH L 35.7% C 0.051 H 231.0°. Best body text is #FFFFFF at 10.88:1 contrast (WCAG AA passes).

Color values

HEX	#1D4152
RGB	rgb(29, 65, 82)
HSL	hsl(199, 48%, 22%)
HSV	hsv(199, 65%, 32%)
CMYK	cmyk(64.6%, 20.7%, 0%, 67.8%)
CIE-LAB	lab(25.72, -7.07, -14.13)
CIE-LCH	lch(25.72, 15.80, 243.43°)
OKLab	oklab(35.66% -0.0319 -0.0394)
OKLCH	oklch(35.66% 0.051 231)
XYZ	xyz(3.9194, 4.6506, 8.6721)
Luminance	0.0465 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4152 #522E1D

analogous

#1D5249 #1D4152 #1D2752

triadic

#1D4152 #521D41 #41521D

tetradic

#1D4152 #491D52 #522E1D #27521D

square

#1D4152 #491D52 #522E1D #27521D

split-complementary

#1D4152 #521D27 #52491D

monochromatic

#081217 #0D1D25 #1D4152 #2D657F #3D89AC

Accessibility & contrast

On white

10.88

#1D4152 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#1D4152 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4152

10.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4152	#FFFFFF	#000000	##FFFFFF
##1D4152	1.00	10.88	1.93	10.88
#FFFFFF	10.88	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#384053

Deuteranopia (green-blind)

#313A52

Tritanopia (blue-blind)

#004647

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #1d4152;
/* rgb */ color: rgb(29, 65, 82);
/* oklch */ color: oklch(35.7% 0.051 231.0);

Tailwind

colors: {
  custom: {
    50: '#5f7582',
    500: '#1d4152',
    950: '#000000',
  },
}

SCSS

$custom: #1d4152;
$custom-light: #5f7582;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4152",
  "rgb": {
    "r": 29,
    "g": 65,
    "b": 82
  },
  "hsl": {
    "h": 199.245,
    "s": 47.748,
    "l": 21.765
  },
  "oklch": {
    "l": 0.35664,
    "c": 0.05074,
    "h": 231
  },
  "luminance": 0.04651
}

Semantic roles & 50–950 ramp

primary

#1D4152

secondary

#875944

accent

#7C50D7

background

#F5F7F7

surface

#E9EDEE

border

#C5C8C9

text

#05080A

muted

#797B7C

Preview Lab

Preview with #1D4152

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

Preview Lab → · Contrast checker → · Palette generator →