#1D5973#1D5973

#1D5973 is a dark, moderate cyan. Relative luminance 0.086; OKLCH L 43.8% C 0.074 H 230.7°. Best body text is #FFFFFF at 7.70:1 contrast (WCAG AA passes).

Color values

HEX	#1D5973
RGB	rgb(29, 89, 115)
HSL	hsl(198, 60%, 28%)
HSV	hsv(198, 75%, 45%)
CMYK	cmyk(74.8%, 22.6%, 0%, 54.9%)
CIE-LAB	lab(35.29, -9.78, -20.33)
CIE-LCH	lch(35.29, 22.56, 244.31°)
OKLab	oklab(43.79% -0.0467 -0.0571)
OKLCH	oklch(43.79% 0.074 230.7)
XYZ	xyz(7.1723, 8.6430, 17.5066)
Luminance	0.0864 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D5973 #73371D

analogous

#1D7362 #1D5973 #1D2E73

triadic

#1D5973 #731D59 #59731D

tetradic

#1D5973 #621D73 #73371D #2E731D

square

#1D5973 #621D73 #73371D #2E731D

split-complementary

#1D5973 #731D2E #73621D

monochromatic

#061318 #113342 #1D5973 #297FA4 #3CA2CE

Accessibility & contrast

On white

7.70

#1D5973 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#1D5973 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D5973

7.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D5973	#FFFFFF	#000000	##FFFFFF
##1D5973	1.00	7.70	2.73	7.70
#FFFFFF	7.70	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C5874

Deuteranopia (green-blind)

#404F73

Tritanopia (blue-blind)

#006062

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #1d5973;
/* rgb */ color: rgb(29, 89, 115);
/* oklch */ color: oklch(43.8% 0.074 230.7);

Tailwind

colors: {
  custom: {
    50: '#66879b',
    500: '#1d5973',
    950: '#000000',
  },
}

SCSS

$custom: #1d5973;
$custom-light: #66879b;
$custom-dark: #000000;

JSON

{
  "hex": "#1d5973",
  "rgb": {
    "r": 29,
    "g": 89,
    "b": 115
  },
  "hsl": {
    "h": 198.14,
    "s": 59.722,
    "l": 28.235
  },
  "oklch": {
    "l": 0.43793,
    "c": 0.07375,
    "h": 230.7
  },
  "luminance": 0.08644
}

Semantic roles & 50–950 ramp

primary

#1D5973

secondary

#A76245

accent

#7545E3

background

#F6F8F9

surface

#EBEFF2

border

#C6CACC

text

#060B0E

muted

#7A7C7E

Preview Lab

Preview with #1D5973

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

Preview Lab → · Contrast checker → · Palette generator →