#1D6580#1D6580

#1D6580 is a mid, moderate cyan. Relative luminance 0.111; OKLCH L 47.6% C 0.081 H 227.7°. Best body text is #FFFFFF at 6.51:1 contrast (WCAG AA passes).

Color values

HEX	#1D6580
RGB	rgb(29, 101, 128)
HSL	hsl(196, 63%, 31%)
HSV	hsv(196, 77%, 50%)
CMYK	cmyk(77.3%, 21.1%, 0%, 49.8%)
CIE-LAB	lab(39.79, -12.12, -21.32)
CIE-LCH	lch(39.79, 24.53, 240.38°)
OKLab	oklab(47.58% -0.0544 -0.0598)
OKLCH	oklch(47.58% 0.081 227.7)
XYZ	xyz(9.0551, 11.1260, 22.0882)
Luminance	0.1113 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D6580 #80381D

analogous

#1D8069 #1D6580 #1D3380

triadic

#1D6580 #801D65 #65801D

tetradic

#1D6580 #691D80 #80381D #33801D

square

#1D6580 #691D80 #80381D #33801D

split-complementary

#1D6580 #801D33 #80691D

monochromatic

#06161C #123E4E #1D6580 #288CB2 #43ADD4

Accessibility & contrast

On white

6.51

#1D6580 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#1D6580 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1D6580

6.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D6580	#FFFFFF	#000000	##FFFFFF
##1D6580	1.00	6.51	3.23	6.51
#FFFFFF	6.51	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#576381

Deuteranopia (green-blind)

#495A80

Tritanopia (blue-blind)

#006D6E

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #1d6580;
/* rgb */ color: rgb(29, 101, 128);
/* oklch */ color: oklch(47.6% 0.081 227.7);

Tailwind

colors: {
  custom: {
    50: '#6991a5',
    500: '#1d6580',
    950: '#000000',
  },
}

SCSS

$custom: #1d6580;
$custom-light: #6991a5;
$custom-dark: #000000;

JSON

{
  "hex": "#1d6580",
  "rgb": {
    "r": 29,
    "g": 101,
    "b": 128
  },
  "hsl": {
    "h": 196.364,
    "s": 63.057,
    "l": 30.784
  },
  "oklch": {
    "l": 0.47584,
    "c": 0.08091,
    "h": 227.7
  },
  "luminance": 0.11127
}

Semantic roles & 50–950 ramp

primary

#1D6580

secondary

#B36345

accent

#6F42E6

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#070C0F

muted

#7A7D7F

Preview Lab

Preview with #1D6580

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

Preview Lab → · Contrast checker → · Palette generator →