#1D5478#1D5478

#1D5478 is a dark, moderate cyan. Relative luminance 0.080; OKLCH L 42.8% C 0.082 H 241.4°. Best body text is #FFFFFF at 8.10:1 contrast (WCAG AA passes).

Color values

HEX	#1D5478
RGB	rgb(29, 84, 120)
HSL	hsl(204, 61%, 29%)
HSV	hsv(204, 76%, 47%)
CMYK	cmyk(75.8%, 30%, 0%, 52.9%)
CIE-LAB	lab(33.89, -4.82, -25.60)
CIE-LCH	lch(33.89, 26.05, 259.34°)
OKLab	oklab(42.76% -0.0395 -0.0724)
OKLCH	oklch(42.76% 0.082 241.4)
XYZ	xyz(7.0659, 7.9571, 18.9291)
Luminance	0.0796 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D5478 #78411D

analogous

#1D786F #1D5478 #1D2778

triadic

#1D5478 #781D54 #54781D

tetradic

#1D5478 #6F1D78 #78411D #27781D

square

#1D5478 #6F1D78 #78411D #27781D

split-complementary

#1D5478 #781D27 #786F1D

monochromatic

#061119 #113147 #1D5478 #2977A9 #3F97D1

Accessibility & contrast

On white

8.10

#1D5478 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#1D5478 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D5478

8.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D5478	#FFFFFF	#000000	##FFFFFF
##1D5478	1.00	8.10	2.59	8.10
#FFFFFF	8.10	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#43557A

Deuteranopia (green-blind)

#374C77

Tritanopia (blue-blind)

#005D61

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #1d5478;
/* rgb */ color: rgb(29, 84, 120);
/* oklch */ color: oklch(42.8% 0.082 241.4);

Tailwind

colors: {
  custom: {
    50: '#66849f',
    500: '#1d5478',
    950: '#000000',
  },
}

SCSS

$custom: #1d5478;
$custom-light: #66849f;
$custom-dark: #000000;

JSON

{
  "hex": "#1d5478",
  "rgb": {
    "r": 29,
    "g": 84,
    "b": 120
  },
  "hsl": {
    "h": 203.736,
    "s": 61.074,
    "l": 29.216
  },
  "oklch": {
    "l": 0.42764,
    "c": 0.08242,
    "h": 241.4
  },
  "luminance": 0.07958
}

Semantic roles & 50–950 ramp

primary

#1D5478

secondary

#AC6E45

accent

#8344E4

background

#F6F8F9

surface

#EBEFF2

border

#C6CACC

text

#070A0E

muted

#7A7C7E

Preview Lab

Preview with #1D5478

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

Preview Lab → · Contrast checker → · Palette generator →