#1D4E6F#1D4E6F

#1D4E6F is a dark, moderate cyan. Relative luminance 0.069; OKLCH L 40.7% C 0.076 H 241.7°. Best body text is #FFFFFF at 8.85:1 contrast (WCAG AA passes).

Color values

HEX	#1D4E6F
RGB	rgb(29, 78, 111)
HSL	hsl(204, 59%, 27%)
HSV	hsv(204, 74%, 44%)
CMYK	cmyk(73.9%, 29.7%, 0%, 56.5%)
CIE-LAB	lab(31.48, -4.47, -23.76)
CIE-LCH	lch(31.48, 24.18, 259.34°)
OKLab	oklab(40.7% -0.0361 -0.0671)
OKLCH	oklch(40.7% 0.076 241.7)
XYZ	xyz(6.0992, 6.8570, 16.0379)
Luminance	0.0686 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4E6F #6F3E1D

analogous

#1D6F67 #1D4E6F #1D256F

triadic

#1D4E6F #6F1D4E #4E6F1D

tetradic

#1D4E6F #671D6F #6F3E1D #256F1D

square

#1D4E6F #671D6F #6F3E1D #256F1D

split-complementary

#1D4E6F #6F1D25 #6F671D

monochromatic

#061118 #102C3E #1D4E6F #2A70A0 #3B91CC

Accessibility & contrast

On white

8.85

#1D4E6F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#1D4E6F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4E6F

8.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4E6F	#FFFFFF	#000000	##FFFFFF
##1D4E6F	1.00	8.85	2.37	8.85
#FFFFFF	8.85	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F4E70

Deuteranopia (green-blind)

#34476E

Tritanopia (blue-blind)

#005659

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #1d4e6f;
/* rgb */ color: rgb(29, 78, 111);
/* oklch */ color: oklch(40.7% 0.076 241.7);

Tailwind

colors: {
  custom: {
    50: '#647f98',
    500: '#1d4e6f',
    950: '#000000',
  },
}

SCSS

$custom: #1d4e6f;
$custom-light: #647f98;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4e6f",
  "rgb": {
    "r": 29,
    "g": 78,
    "b": 111
  },
  "hsl": {
    "h": 204.146,
    "s": 58.571,
    "l": 27.451
  },
  "oklch": {
    "l": 0.40702,
    "c": 0.0762,
    "h": 241.7
  },
  "luminance": 0.06858
}

Semantic roles & 50–950 ramp

primary

#1D4E6F

secondary

#A36B44

accent

#8546E2

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#060A0D

muted

#7A7C7E

Preview Lab

Preview with #1D4E6F

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

Preview Lab → · Contrast checker → · Palette generator →