#1D4B7C#1D4B7C

#1D4B7C is a dark, moderate cyan. Relative luminance 0.067; OKLCH L 40.7% C 0.096 H 252.5°. Best body text is #FFFFFF at 8.94:1 contrast (WCAG AA passes).

Color values

HEX	#1D4B7C
RGB	rgb(29, 75, 124)
HSL	hsl(211, 62%, 30%)
HSV	hsv(211, 77%, 49%)
CMYK	cmyk(76.6%, 39.5%, 0%, 51.4%)
CIE-LAB	lab(31.23, 2.57, -32.30)
CIE-LCH	lch(31.23, 32.40, 274.55°)
OKLab	oklab(40.74% -0.0289 -0.092)
OKLCH	oklch(40.74% 0.096 252.5)
XYZ	xyz(6.6595, 6.7479, 20.0164)
Luminance	0.0675 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4B7C #7C4E1D

analogous

#1D7B7C #1D4B7C #1E1D7C

triadic

#1D4B7C #7C1D4B #4B7C1D

tetradic

#1D4B7C #7C1D7B #7C4E1D #1D7C1E

square

#1D4B7C #7C1D7B #7C4E1D #1D7C1E

split-complementary

#1D4B7C #7C1E1D #7B7C1D

monochromatic

#060F19 #112D4A #1D4B7C #2969AE #4187D3

Accessibility & contrast

On white

8.94

#1D4B7C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#1D4B7C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4B7C

8.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4B7C	#FFFFFF	#000000	##FFFFFF
##1D4B7C	1.00	8.94	2.35	8.94
#FFFFFF	8.94	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#344E7E

Deuteranopia (green-blind)

#26457B

Tritanopia (blue-blind)

#00575D

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #1d4b7c;
/* rgb */ color: rgb(29, 75, 124);
/* oklch */ color: oklch(40.7% 0.096 252.5);

Tailwind

colors: {
  custom: {
    50: '#677ca2',
    500: '#1d4b7c',
    950: '#000000',
  },
}

SCSS

$custom: #1d4b7c;
$custom-light: #677ca2;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4b7c",
  "rgb": {
    "r": 29,
    "g": 75,
    "b": 124
  },
  "hsl": {
    "h": 210.947,
    "s": 62.092,
    "l": 30
  },
  "oklch": {
    "l": 0.40736,
    "c": 0.09648,
    "h": 252.5
  },
  "luminance": 0.06749
}

Semantic roles & 50–950 ramp

primary

#1D4B7C

secondary

#B07C45

accent

#9643E5

background

#F6F7FA

surface

#EBEEF3

border

#C6C9CD

text

#07090F

muted

#7A7B7F

Preview Lab

Preview with #1D4B7C

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

Preview Lab → · Contrast checker → · Palette generator →