#1D475B#1D475B

#1D475B is a dark, muted cyan. Relative luminance 0.055; OKLCH L 37.8% C 0.058 H 231.8°. Best body text is #FFFFFF at 9.98:1 contrast (WCAG AA passes).

Color values

HEX	#1D475B
RGB	rgb(29, 71, 91)
HSL	hsl(199, 52%, 24%)
HSV	hsv(199, 68%, 36%)
CMYK	cmyk(68.1%, 22%, 0%, 64.3%)
CIE-LAB	lab(28.17, -7.57, -16.18)
CIE-LCH	lch(28.17, 17.86, 244.93°)
OKLab	oklab(37.76% -0.0357 -0.0453)
OKLCH	oklch(37.76% 0.058 231.8)
XYZ	xyz(4.6475, 5.5225, 10.7165)
Luminance	0.0552 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D475B #5B311D

analogous

#1D5B50 #1D475B #1D285B

triadic

#1D475B #5B1D47 #475B1D

tetradic

#1D475B #501D5B #5B311D #285B1D

square

#1D475B #501D5B #5B311D #285B1D

split-complementary

#1D475B #5B1D28 #5B501D

monochromatic

#071217 #0E232D #1D475B #2C6B89 #3B8FB8

Accessibility & contrast

On white

9.98

#1D475B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#1D475B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D475B

9.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D475B	#FFFFFF	#000000	##FFFFFF
##1D475B	1.00	9.98	2.10	9.98
#FFFFFF	9.98	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	9.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D465C

Deuteranopia (green-blind)

#34405B

Tritanopia (blue-blind)

#004C4E

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #1d475b;
/* rgb */ color: rgb(29, 71, 91);
/* oklch */ color: oklch(37.8% 0.058 231.8);

Tailwind

colors: {
  custom: {
    50: '#617a89',
    500: '#1d475b',
    950: '#000000',
  },
}

SCSS

$custom: #1d475b;
$custom-light: #617a89;
$custom-dark: #000000;

JSON

{
  "hex": "#1d475b",
  "rgb": {
    "r": 29,
    "g": 71,
    "b": 91
  },
  "hsl": {
    "h": 199.355,
    "s": 51.667,
    "l": 23.529
  },
  "oklch": {
    "l": 0.37759,
    "c": 0.05763,
    "h": 231.8
  },
  "luminance": 0.05523
}

Semantic roles & 50–950 ramp

primary

#1D475B

secondary

#905C44

accent

#7B4DDB

background

#F5F7F8

surface

#EAEDF0

border

#C6C8CB

text

#05090B

muted

#797B7C

Preview Lab

Preview with #1D475B

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

Preview Lab → · Contrast checker → · Palette generator →