#1D5174#1D5174

#1D5174 is a dark, moderate cyan. Relative luminance 0.074; OKLCH L 41.8% C 0.080 H 241.9°. Best body text is #FFFFFF at 8.46:1 contrast (WCAG AA passes).

Color values

HEX	#1D5174
RGB	rgb(29, 81, 116)
HSL	hsl(204, 60%, 28%)
HSV	hsv(204, 75%, 45%)
CMYK	cmyk(75%, 30.2%, 0%, 54.5%)
CIE-LAB	lab(32.71, -4.46, -24.96)
CIE-LCH	lch(32.71, 25.35, 259.87°)
OKLab	oklab(41.76% -0.0377 -0.0705)
OKLCH	oklch(41.76% 0.08 241.9)
XYZ	xyz(6.6003, 7.4063, 17.6013)
Luminance	0.0741 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D5174 #74401D

analogous

#1D746B #1D5174 #1D2574

triadic

#1D5174 #741D51 #51741D

tetradic

#1D5174 #6B1D74 #74401D #25741D

square

#1D5174 #6B1D74 #74401D #25741D

split-complementary

#1D5174 #741D25 #746B1D

monochromatic

#061118 #112F43 #1D5174 #2973A5 #3D94CE

Accessibility & contrast

On white

8.46

#1D5174 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#1D5174 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D5174

8.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D5174	#FFFFFF	#000000	##FFFFFF
##1D5174	1.00	8.46	2.48	8.46
#FFFFFF	8.46	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#415276

Deuteranopia (green-blind)

#354973

Tritanopia (blue-blind)

#005A5D

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #1d5174;
/* rgb */ color: rgb(29, 81, 116);
/* oklch */ color: oklch(41.8% 0.080 241.9);

Tailwind

colors: {
  custom: {
    50: '#65819c',
    500: '#1d5174',
    950: '#000000',
  },
}

SCSS

$custom: #1d5174;
$custom-light: #65819c;
$custom-dark: #000000;

JSON

{
  "hex": "#1d5174",
  "rgb": {
    "r": 29,
    "g": 81,
    "b": 116
  },
  "hsl": {
    "h": 204.138,
    "s": 60,
    "l": 28.431
  },
  "oklch": {
    "l": 0.41763,
    "c": 0.07995,
    "h": 241.9
  },
  "luminance": 0.07407
}

Semantic roles & 50–950 ramp

primary

#1D5174

secondary

#A86D45

accent

#8445E3

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#060A0E

muted

#7A7C7E

Preview Lab

Preview with #1D5174

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

Preview Lab → · Contrast checker → · Palette generator →