#1D5182#1D5182

#1D5182 is a dark, moderate cyan. Relative luminance 0.078; OKLCH L 42.6% C 0.098 H 250.2°. Best body text is #FFFFFF at 8.23:1 contrast (WCAG AA passes).

Color values

HEX	#1D5182
RGB	rgb(29, 81, 130)
HSL	hsl(209, 64%, 31%)
HSV	hsv(209, 78%, 51%)
CMYK	cmyk(77.7%, 37.7%, 0%, 49%)
CIE-LAB	lab(33.47, 1.00, -32.45)
CIE-LCH	lch(33.47, 32.47, 271.76°)
OKLab	oklab(42.61% -0.0332 -0.0924)
OKLCH	oklch(42.61% 0.098 250.2)
XYZ	xyz(7.4769, 7.7569, 22.2179)
Luminance	0.0776 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D5182 #824E1D

analogous

#1D8280 #1D5182 #1D1E82

triadic

#1D5182 #821D51 #51821D

tetradic

#1D5182 #801D82 #824E1D #1E821D

square

#1D5182 #801D82 #824E1D #1E821D

split-complementary

#1D5182 #821D1E #82801D

monochromatic

#07131E #123250 #1D5182 #2870B4 #448FD5

Accessibility & contrast

On white

8.23

#1D5182 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#1D5182 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D5182

8.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D5182	#FFFFFF	#000000	##FFFFFF
##1D5182	1.00	8.23	2.55	8.23
#FFFFFF	8.23	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A5484

Deuteranopia (green-blind)

#2B4A81

Tritanopia (blue-blind)

#005D63

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #1d5182;
/* rgb */ color: rgb(29, 81, 130);
/* oklch */ color: oklch(42.6% 0.098 250.2);

Tailwind

colors: {
  custom: {
    50: '#6881a6',
    500: '#1d5182',
    950: '#000000',
  },
}

SCSS

$custom: #1d5182;
$custom-light: #6881a6;
$custom-dark: #000000;

JSON

{
  "hex": "#1d5182",
  "rgb": {
    "r": 29,
    "g": 81,
    "b": 130
  },
  "hsl": {
    "h": 209.109,
    "s": 63.522,
    "l": 31.176
  },
  "oklch": {
    "l": 0.42607,
    "c": 0.09819,
    "h": 250.2
  },
  "luminance": 0.07758
}

Semantic roles & 50–950 ramp

primary

#1D5182

secondary

#B57C46

accent

#9141E7

background

#F6F7FA

surface

#EBEEF4

border

#C6C9CE

text

#070A0F

muted

#7A7C7F

Preview Lab

Preview with #1D5182

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

Preview Lab → · Contrast checker → · Palette generator →