#1D5A84#1D5A84

#1D5A84 is a dark, moderate cyan. Relative luminance 0.092; OKLCH L 45.0% C 0.092 H 243.1°. Best body text is #FFFFFF at 7.37:1 contrast (WCAG AA passes).

Color values

HEX	#1D5A84
RGB	rgb(29, 90, 132)
HSL	hsl(204, 64%, 32%)
HSV	hsv(204, 78%, 52%)
CMYK	cmyk(78%, 31.8%, 0%, 48.2%)
CIE-LAB	lab(36.44, -3.97, -28.99)
CIE-LCH	lch(36.44, 29.26, 262.20°)
OKLab	oklab(44.98% -0.0416 -0.0821)
OKLCH	oklch(44.98% 0.092 243.1)
XYZ	xyz(8.3261, 9.2385, 23.1697)
Luminance	0.0924 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D5A84 #84471D

analogous

#1D847B #1D5A84 #1D2784

triadic

#1D5A84 #841D5A #5A841D

tetradic

#1D5A84 #7B1D84 #84471D #27841D

square

#1D5A84 #7B1D84 #84471D #27841D

split-complementary

#1D5A84 #841D27 #847B1D

monochromatic

#071620 #123852 #1D5A84 #287CB6 #459BD6

Accessibility & contrast

On white

7.37

#1D5A84 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.85

#1D5A84 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D5A84

7.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D5A84	#FFFFFF	#000000	##FFFFFF
##1D5A84	1.00	7.37	2.85	7.37
#FFFFFF	7.37	1.00	21.00	1.00
#000000	2.85	21.00	1.00	21.00
##FFFFFF	7.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#475B86

Deuteranopia (green-blind)

#385183

Tritanopia (blue-blind)

#006469

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #1d5a84;
/* rgb */ color: rgb(29, 90, 132);
/* oklch */ color: oklch(45.0% 0.092 243.1);

Tailwind

colors: {
  custom: {
    50: '#6988a8',
    500: '#1d5a84',
    950: '#000000',
  },
}

SCSS

$custom: #1d5a84;
$custom-light: #6988a8;
$custom-dark: #000000;

JSON

{
  "hex": "#1d5a84",
  "rgb": {
    "r": 29,
    "g": 90,
    "b": 132
  },
  "hsl": {
    "h": 204.466,
    "s": 63.975,
    "l": 31.569
  },
  "oklch": {
    "l": 0.4498,
    "c": 0.09209,
    "h": 243.1
  },
  "luminance": 0.09239
}

Semantic roles & 50–950 ramp

primary

#1D5A84

secondary

#B77446

accent

#8541E7

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#070B0F

muted

#7A7C7F

Preview Lab

Preview with #1D5A84

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

Preview Lab → · Contrast checker → · Palette generator →