#1D5A79#1D5A79

#1D5A79 is a dark, moderate cyan. Relative luminance 0.090; OKLCH L 44.4% C 0.079 H 235.0°. Best body text is #FFFFFF at 7.52:1 contrast (WCAG AA passes).

Color values

HEX	#1D5A79
RGB	rgb(29, 90, 121)
HSL	hsl(200, 61%, 29%)
HSV	hsv(200, 76%, 47%)
CMYK	cmyk(76%, 25.6%, 0%, 52.5%)
CIE-LAB	lab(35.89, -8.15, -23.09)
CIE-LCH	lch(35.89, 24.49, 250.56°)
OKLab	oklab(44.37% -0.0455 -0.065)
OKLCH	oklch(44.37% 0.079 235)
XYZ	xyz(7.6127, 8.9531, 19.4124)
Luminance	0.0895 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D5A79 #793C1D

analogous

#1D796A #1D5A79 #1D2C79

triadic

#1D5A79 #791D5A #5A791D

tetradic

#1D5A79 #6A1D79 #793C1D #2C791D

square

#1D5A79 #6A1D79 #793C1D #2C791D

split-complementary

#1D5A79 #791D2C #796A1D

monochromatic

#061219 #113548 #1D5A79 #297FAA #3FA0D1

Accessibility & contrast

On white

7.52

#1D5A79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.79

#1D5A79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D5A79

7.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D5A79	#FFFFFF	#000000	##FFFFFF
##1D5A79	1.00	7.52	2.79	7.52
#FFFFFF	7.52	1.00	21.00	1.00
#000000	2.79	21.00	1.00	21.00
##FFFFFF	7.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B597A

Deuteranopia (green-blind)

#3E5178

Tritanopia (blue-blind)

#006265

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #1d5a79;
/* rgb */ color: rgb(29, 90, 121);
/* oklch */ color: oklch(44.4% 0.079 235.0);

Tailwind

colors: {
  custom: {
    50: '#6788a0',
    500: '#1d5a79',
    950: '#000000',
  },
}

SCSS

$custom: #1d5a79;
$custom-light: #6788a0;
$custom-dark: #000000;

JSON

{
  "hex": "#1d5a79",
  "rgb": {
    "r": 29,
    "g": 90,
    "b": 121
  },
  "hsl": {
    "h": 200.217,
    "s": 61.333,
    "l": 29.412
  },
  "oklch": {
    "l": 0.44368,
    "c": 0.07937,
    "h": 235
  },
  "luminance": 0.08954
}

Semantic roles & 50–950 ramp

primary

#1D5A79

secondary

#AD6845

accent

#7A43E4

background

#F6F8F9

surface

#EBEFF2

border

#C6CACC

text

#070B0E

muted

#7A7C7E

Preview Lab

Preview with #1D5A79

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

Preview Lab → · Contrast checker → · Palette generator →