#1D4255#1D4255

#1D4255 is a dark, muted cyan. Relative luminance 0.048; OKLCH L 36.1% C 0.053 H 233.3°. Best body text is #FFFFFF at 10.70:1 contrast (WCAG AA passes).

Color values

HEX	#1D4255
RGB	rgb(29, 66, 85)
HSL	hsl(200, 49%, 22%)
HSV	hsv(200, 66%, 33%)
CMYK	cmyk(65.9%, 22.4%, 0%, 66.7%)
CIE-LAB	lab(26.20, -6.61, -15.35)
CIE-LCH	lch(26.20, 16.71, 246.70°)
OKLab	oklab(36.09% -0.0319 -0.0429)
OKLCH	oklch(36.09% 0.054 233.3)
XYZ	xyz(4.0940, 4.8131, 9.3058)
Luminance	0.0481 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4255 #55301D

analogous

#1D554C #1D4255 #1D2655

triadic

#1D4255 #551D42 #42551D

tetradic

#1D4255 #4C1D55 #55301D #26551D

square

#1D4255 #4C1D55 #55301D #26551D

split-complementary

#1D4255 #551D26 #554C1D

monochromatic

#081217 #0D1F27 #1D4255 #2D6583 #3C89B0

Accessibility & contrast

On white

10.70

#1D4255 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#1D4255 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4255

10.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4255	#FFFFFF	#000000	##FFFFFF
##1D4255	1.00	10.70	1.96	10.70
#FFFFFF	10.70	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#394156

Deuteranopia (green-blind)

#313B55

Tritanopia (blue-blind)

#004748

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #1d4255;
/* rgb */ color: rgb(29, 66, 85);
/* oklch */ color: oklch(36.1% 0.053 233.3);

Tailwind

colors: {
  custom: {
    50: '#5f7685',
    500: '#1d4255',
    950: '#000000',
  },
}

SCSS

$custom: #1d4255;
$custom-light: #5f7685;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4255",
  "rgb": {
    "r": 29,
    "g": 66,
    "b": 85
  },
  "hsl": {
    "h": 200.357,
    "s": 49.123,
    "l": 22.353
  },
  "oklch": {
    "l": 0.36092,
    "c": 0.0535,
    "h": 233.3
  },
  "luminance": 0.04814
}

Semantic roles & 50–950 ramp

primary

#1D4255

secondary

#8A5C44

accent

#7E4FD9

background

#F5F7F8

surface

#EAEDEF

border

#C6C8CA

text

#05080B

muted

#797B7C

Preview Lab

Preview with #1D4255

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

Preview Lab → · Contrast checker → · Palette generator →