#1D5680#1D5680

#1D5680 is a dark, moderate cyan. Relative luminance 0.085; OKLCH L 43.7% C 0.091 H 244.6°. Best body text is #FFFFFF at 7.79:1 contrast (WCAG AA passes).

Color values

HEX	#1D5680
RGB	rgb(29, 86, 128)
HSL	hsl(205, 63%, 31%)
HSV	hsv(205, 77%, 50%)
CMYK	cmyk(77.3%, 32.8%, 0%, 49.8%)
CIE-LAB	lab(34.95, -3.00, -28.88)
CIE-LCH	lch(34.95, 29.03, 264.07°)
OKLab	oklab(43.74% -0.0389 -0.0819)
OKLCH	oklch(43.74% 0.091 244.6)
XYZ	xyz(7.7293, 8.4744, 21.6463)
Luminance	0.0848 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D5680 #80471D

analogous

#1D8078 #1D5680 #1D2480

triadic

#1D5680 #801D56 #56801D

tetradic

#1D5680 #781D80 #80471D #24801D

square

#1D5680 #781D80 #80471D #24801D

split-complementary

#1D5680 #801D24 #80781D

monochromatic

#06131C #12344E #1D5680 #2878B2 #4397D4

Accessibility & contrast

On white

7.79

#1D5680 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#1D5680 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D5680

7.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D5680	#FFFFFF	#000000	##FFFFFF
##1D5680	1.00	7.79	2.70	7.79
#FFFFFF	7.79	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#435782

Deuteranopia (green-blind)

#354E7F

Tritanopia (blue-blind)

#006065

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #1d5680;
/* rgb */ color: rgb(29, 86, 128);
/* oklch */ color: oklch(43.7% 0.091 244.6);

Tailwind

colors: {
  custom: {
    50: '#6885a5',
    500: '#1d5680',
    950: '#000000',
  },
}

SCSS

$custom: #1d5680;
$custom-light: #6885a5;
$custom-dark: #000000;

JSON

{
  "hex": "#1d5680",
  "rgb": {
    "r": 29,
    "g": 86,
    "b": 128
  },
  "hsl": {
    "h": 205.455,
    "s": 63.057,
    "l": 30.784
  },
  "oklch": {
    "l": 0.43736,
    "c": 0.09063,
    "h": 244.6
  },
  "luminance": 0.08475
}

Semantic roles & 50–950 ramp

primary

#1D5680

secondary

#B37445

accent

#8742E6

background

#F6F8FA

surface

#EBEFF4

border

#C6CACE

text

#070B0F

muted

#7A7C7F

Preview Lab

Preview with #1D5680

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

Preview Lab → · Contrast checker → · Palette generator →