#1D5574#1D5574

#1D5574 is a dark, moderate cyan. Relative luminance 0.080; OKLCH L 42.8% C 0.077 H 237.0°. Best body text is #FFFFFF at 8.07:1 contrast (WCAG AA passes).

Color values

HEX	#1D5574
RGB	rgb(29, 85, 116)
HSL	hsl(201, 60%, 28%)
HSV	hsv(201, 75%, 45%)
CMYK	cmyk(75%, 26.7%, 0%, 54.5%)
CIE-LAB	lab(34.02, -6.96, -22.92)
CIE-LCH	lch(34.02, 23.95, 253.10°)
OKLab	oklab(42.8% -0.042 -0.0646)
OKLCH	oklch(42.8% 0.077 237)
XYZ	xyz(6.9063, 8.0184, 17.7033)
Luminance	0.0802 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D5574 #743C1D

analogous

#1D7467 #1D5574 #1D2974

triadic

#1D5574 #741D55 #55741D

tetradic

#1D5574 #671D74 #743C1D #29741D

square

#1D5574 #671D74 #743C1D #29741D

split-complementary

#1D5574 #741D29 #74671D

monochromatic

#061218 #113143 #1D5574 #2979A5 #3D9BCE

Accessibility & contrast

On white

8.07

#1D5574 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#1D5574 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D5574

8.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D5574	#FFFFFF	#000000	##FFFFFF
##1D5574	1.00	8.07	2.60	8.07
#FFFFFF	8.07	1.00	21.00	1.00
#000000	2.60	21.00	1.00	21.00
##FFFFFF	8.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#465575

Deuteranopia (green-blind)

#3A4C73

Tritanopia (blue-blind)

#005D60

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #1d5574;
/* rgb */ color: rgb(29, 85, 116);
/* oklch */ color: oklch(42.8% 0.077 237.0);

Tailwind

colors: {
  custom: {
    50: '#66849c',
    500: '#1d5574',
    950: '#000000',
  },
}

SCSS

$custom: #1d5574;
$custom-light: #66849c;
$custom-dark: #000000;

JSON

{
  "hex": "#1d5574",
  "rgb": {
    "r": 29,
    "g": 85,
    "b": 116
  },
  "hsl": {
    "h": 201.379,
    "s": 60,
    "l": 28.431
  },
  "oklch": {
    "l": 0.428,
    "c": 0.07702,
    "h": 237
  },
  "luminance": 0.08019
}

Semantic roles & 50–950 ramp

primary

#1D5574

secondary

#A86845

accent

#7D45E3

background

#F6F8F9

surface

#EBEFF2

border

#C6CACC

text

#060B0E

muted

#7A7C7E

Preview Lab

Preview with #1D5574

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

Preview Lab → · Contrast checker → · Palette generator →