#1D4E65#1D4E65

#1D4E65 is a dark, moderate cyan. Relative luminance 0.067; OKLCH L 40.2% C 0.065 H 232.0°. Best body text is #FFFFFF at 9.01:1 contrast (WCAG AA passes).

Color values

HEX	#1D4E65
RGB	rgb(29, 78, 101)
HSL	hsl(199, 55%, 25%)
HSV	hsv(199, 71%, 40%)
CMYK	cmyk(71.3%, 22.8%, 0%, 60.4%)
CIE-LAB	lab(30.99, -8.24, -18.21)
CIE-LCH	lch(30.99, 19.99, 245.64°)
OKLab	oklab(40.16% -0.0399 -0.051)
OKLCH	oklch(40.16% 0.065 232)
XYZ	xyz(5.5791, 6.6490, 13.2987)
Luminance	0.0665 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4E65 #65341D

analogous

#1D6558 #1D4E65 #1D2A65

triadic

#1D4E65 #651D4E #4E651D

tetradic

#1D4E65 #581D65 #65341D #2A651D

square

#1D4E65 #581D65 #65341D #2A651D

split-complementary

#1D4E65 #651D2A #65581D

monochromatic

#071218 #0F2935 #1D4E65 #2B7395 #3897C4

Accessibility & contrast

On white

9.01

#1D4E65 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#1D4E65 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4E65

9.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4E65	#FFFFFF	#000000	##FFFFFF
##1D4E65	1.00	9.01	2.33	9.01
#FFFFFF	9.01	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#434D66

Deuteranopia (green-blind)

#394665

Tritanopia (blue-blind)

#005456

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #1d4e65;
/* rgb */ color: rgb(29, 78, 101);
/* oklch */ color: oklch(40.2% 0.065 232.0);

Tailwind

colors: {
  custom: {
    50: '#637f91',
    500: '#1d4e65',
    950: '#000000',
  },
}

SCSS

$custom: #1d4e65;
$custom-light: #637f91;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4e65",
  "rgb": {
    "r": 29,
    "g": 78,
    "b": 101
  },
  "hsl": {
    "h": 199.167,
    "s": 55.385,
    "l": 25.49
  },
  "oklch": {
    "l": 0.40157,
    "c": 0.06481,
    "h": 232
  },
  "luminance": 0.0665
}

Semantic roles & 50–950 ramp

primary

#1D4E65

secondary

#9A5F44

accent

#7949DF

background

#F6F7F8

surface

#EBEEF0

border

#C6C9CB

text

#060A0C

muted

#7A7C7D

Preview Lab

Preview with #1D4E65

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

Preview Lab → · Contrast checker → · Palette generator →