#1D577D#1D577D

#1D577D is a dark, moderate cyan. Relative luminance 0.086; OKLCH L 43.8% C 0.086 H 241.6°. Best body text is #FFFFFF at 7.74:1 contrast (WCAG AA passes).

Color values

HEX	#1D577D
RGB	rgb(29, 87, 125)
HSL	hsl(204, 62%, 30%)
HSV	hsv(204, 77%, 49%)
CMYK	cmyk(76.8%, 30.4%, 0%, 51%)
CIE-LAB	lab(35.12, -4.78, -26.77)
CIE-LCH	lch(35.12, 27.20, 259.87°)
OKLab	oklab(43.82% -0.0409 -0.0757)
OKLCH	oklch(43.82% 0.086 241.6)
XYZ	xyz(7.6151, 8.5574, 20.6485)
Luminance	0.0856 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D577D #7D431D

analogous

#1D7D73 #1D577D #1D277D

triadic

#1D577D #7D1D57 #577D1D

tetradic

#1D577D #731D7D #7D431D #277D1D

square

#1D577D #731D7D #7D431D #277D1D

split-complementary

#1D577D #7D1D27 #7D731D

monochromatic

#06121A #11344B #1D577D #297AAF #4199D3

Accessibility & contrast

On white

7.74

#1D577D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#1D577D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D577D

7.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D577D	#FFFFFF	#000000	##FFFFFF
##1D577D	1.00	7.74	2.71	7.74
#FFFFFF	7.74	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#45587F

Deuteranopia (green-blind)

#384F7C

Tritanopia (blue-blind)

#006064

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #1d577d;
/* rgb */ color: rgb(29, 87, 125);
/* oklch */ color: oklch(43.8% 0.086 241.6);

Tailwind

colors: {
  custom: {
    50: '#6786a3',
    500: '#1d577d',
    950: '#000000',
  },
}

SCSS

$custom: #1d577d;
$custom-light: #6786a3;
$custom-dark: #000000;

JSON

{
  "hex": "#1d577d",
  "rgb": {
    "r": 29,
    "g": 87,
    "b": 125
  },
  "hsl": {
    "h": 203.75,
    "s": 62.338,
    "l": 30.196
  },
  "oklch": {
    "l": 0.43816,
    "c": 0.08606,
    "h": 241.6
  },
  "luminance": 0.08558
}

Semantic roles & 50–950 ramp

primary

#1D577D

secondary

#B17045

accent

#8342E5

background

#F6F8FA

surface

#EBEFF3

border

#C6CACD

text

#070B0F

muted

#7A7C7F

Preview Lab

Preview with #1D577D

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

Preview Lab → · Contrast checker → · Palette generator →