#1D4E6E#1D4E6E

#1D4E6E is a dark, moderate cyan. Relative luminance 0.068; OKLCH L 40.6% C 0.075 H 240.9°. Best body text is #FFFFFF at 8.87:1 contrast (WCAG AA passes).

Color values

HEX	#1D4E6E
RGB	rgb(29, 78, 110)
HSL	hsl(204, 58%, 27%)
HSV	hsv(204, 74%, 43%)
CMYK	cmyk(73.6%, 29.1%, 0%, 56.9%)
CIE-LAB	lab(31.43, -4.86, -23.21)
CIE-LCH	lch(31.43, 23.72, 258.18°)
OKLab	oklab(40.64% -0.0365 -0.0655)
OKLCH	oklch(40.64% 0.075 240.9)
XYZ	xyz(6.0445, 6.8351, 15.7496)
Luminance	0.0684 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4E6E #6E3D1D

analogous

#1D6E66 #1D4E6E #1D256E

triadic

#1D4E6E #6E1D4E #4E6E1D

tetradic

#1D4E6E #661D6E #6E3D1D #256E1D

square

#1D4E6E #661D6E #6E3D1D #256E1D

split-complementary

#1D4E6E #6E1D25 #6E661D

monochromatic

#061118 #102C3E #1D4E6E #2A709E #3A92CB

Accessibility & contrast

On white

8.87

#1D4E6E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#1D4E6E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4E6E

8.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4E6E	#FFFFFF	#000000	##FFFFFF
##1D4E6E	1.00	8.87	2.37	8.87
#FFFFFF	8.87	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F4E6F

Deuteranopia (green-blind)

#34466D

Tritanopia (blue-blind)

#005659

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #1d4e6e;
/* rgb */ color: rgb(29, 78, 110);
/* oklch */ color: oklch(40.6% 0.075 240.9);

Tailwind

colors: {
  custom: {
    50: '#647f97',
    500: '#1d4e6e',
    950: '#000000',
  },
}

SCSS

$custom: #1d4e6e;
$custom-light: #647f97;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4e6e",
  "rgb": {
    "r": 29,
    "g": 78,
    "b": 110
  },
  "hsl": {
    "h": 203.704,
    "s": 58.273,
    "l": 27.255
  },
  "oklch": {
    "l": 0.40645,
    "c": 0.07498,
    "h": 240.9
  },
  "luminance": 0.06836
}

Semantic roles & 50–950 ramp

primary

#1D4E6E

secondary

#A26A44

accent

#8446E1

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#060A0D

muted

#7A7C7E

Preview Lab

Preview with #1D4E6E

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

Preview Lab → · Contrast checker → · Palette generator →