#1D4E61#1D4E61

#1D4E61 is a dark, moderate cyan. Relative luminance 0.066; OKLCH L 40.0% C 0.061 H 227.0°. Best body text is #FFFFFF at 9.07:1 contrast (WCAG AA passes).

Color values

HEX	#1D4E61
RGB	rgb(29, 78, 97)
HSL	hsl(197, 54%, 25%)
HSV	hsv(197, 70%, 38%)
CMYK	cmyk(70.1%, 19.6%, 0%, 62%)
CIE-LAB	lab(30.81, -9.71, -15.95)
CIE-LCH	lch(30.81, 18.67, 238.67°)
OKLab	oklab(39.95% -0.0416 -0.0446)
OKLCH	oklch(39.95% 0.061 227)
XYZ	xyz(5.3879, 6.5725, 12.2916)
Luminance	0.0657 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4E61 #61301D

analogous

#1D6152 #1D4E61 #1D2C61

triadic

#1D4E61 #611D4E #4E611D

tetradic

#1D4E61 #521D61 #61301D #2C611D

square

#1D4E61 #521D61 #61301D #2C611D

split-complementary

#1D4E61 #611D2C #61521D

monochromatic

#071318 #0F2832 #1D4E61 #2B7490 #399ABF

Accessibility & contrast

On white

9.07

#1D4E61 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#1D4E61 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4E61

9.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4E61	#FFFFFF	#000000	##FFFFFF
##1D4E61	1.00	9.07	2.31	9.07
#FFFFFF	9.07	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#444C62

Deuteranopia (green-blind)

#3A4561

Tritanopia (blue-blind)

#005454

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #1d4e61;
/* rgb */ color: rgb(29, 78, 97);
/* oklch */ color: oklch(40.0% 0.061 227.0);

Tailwind

colors: {
  custom: {
    50: '#627f8e',
    500: '#1d4e61',
    950: '#000000',
  },
}

SCSS

$custom: #1d4e61;
$custom-light: #627f8e;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4e61",
  "rgb": {
    "r": 29,
    "g": 78,
    "b": 97
  },
  "hsl": {
    "h": 196.765,
    "s": 53.968,
    "l": 24.706
  },
  "oklch": {
    "l": 0.39953,
    "c": 0.06095,
    "h": 227
  },
  "luminance": 0.06573
}

Semantic roles & 50–950 ramp

primary

#1D4E61

secondary

#965B44

accent

#744ADD

background

#F6F7F8

surface

#EBEEF0

border

#C6C9CB

text

#050A0C

muted

#7A7C7D

Preview Lab

Preview with #1D4E61

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

Preview Lab → · Contrast checker → · Palette generator →