#1D5B68#1D5B68

#1D5B68 is a dark, moderate cyan. Relative luminance 0.087; OKLCH L 43.8% C 0.065 H 214.4°. Best body text is #FFFFFF at 7.64:1 contrast (WCAG AA passes).

Color values

HEX	#1D5B68
RGB	rgb(29, 91, 104)
HSL	hsl(190, 56%, 26%)
HSV	hsv(190, 72%, 41%)
CMYK	cmyk(72.1%, 12.5%, 0%, 59.2%)
CIE-LAB	lab(35.48, -14.90, -13.20)
CIE-LCH	lch(35.48, 19.90, 221.53°)
OKLab	oklab(43.79% -0.0536 -0.0367)
OKLCH	oklch(43.79% 0.065 214.4)
XYZ	xyz(6.7454, 8.7421, 14.4259)
Luminance	0.0874 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D5B68 #682A1D

analogous

#1D684F #1D5B68 #1D3568

triadic

#1D5B68 #681D5B #5B681D

tetradic

#1D5B68 #4F1D68 #682A1D #35681D

square

#1D5B68 #4F1D68 #682A1D #35681D

split-complementary

#1D5B68 #681D35 #684F1D

monochromatic

#071518 #103138 #1D5B68 #2A8598 #38AFC7

Accessibility & contrast

On white

7.64

#1D5B68 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#1D5B68 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D5B68

7.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D5B68	#FFFFFF	#000000	##FFFFFF
##1D5B68	1.00	7.64	2.75	7.64
#FFFFFF	7.64	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#525869

Deuteranopia (green-blind)

#475068

Tritanopia (blue-blind)

#00605F

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #1d5b68;
/* rgb */ color: rgb(29, 91, 104);
/* oklch */ color: oklch(43.8% 0.065 214.4);

Tailwind

colors: {
  custom: {
    50: '#648993',
    500: '#1d5b68',
    950: '#000000',
  },
}

SCSS

$custom: #1d5b68;
$custom-light: #648993;
$custom-dark: #000000;

JSON

{
  "hex": "#1d5b68",
  "rgb": {
    "r": 29,
    "g": 91,
    "b": 104
  },
  "hsl": {
    "h": 190.4,
    "s": 56.391,
    "l": 26.078
  },
  "oklch": {
    "l": 0.43794,
    "c": 0.065,
    "h": 214.4
  },
  "luminance": 0.08743
}

Semantic roles & 50–950 ramp

primary

#1D5B68

secondary

#9D5344

accent

#6248E0

background

#F6F8F9

surface

#EBF0F1

border

#C6CBCB

text

#060B0D

muted

#7A7C7E

Preview Lab

Preview with #1D5B68

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

Preview Lab → · Contrast checker → · Palette generator →