#1D4D7F#1D4D7F

#1D4D7F is a dark, moderate cyan. Relative luminance 0.071; OKLCH L 41.4% C 0.098 H 252.2°. Best body text is #FFFFFF at 8.68:1 contrast (WCAG AA passes).

Color values

HEX	#1D4D7F
RGB	rgb(29, 77, 127)
HSL	hsl(211, 63%, 31%)
HSV	hsv(211, 77%, 50%)
CMYK	cmyk(77.2%, 39.4%, 0%, 50.2%)
CIE-LAB	lab(32.03, 2.44, -32.88)
CIE-LCH	lch(32.03, 32.97, 274.24°)
OKLab	oklab(41.43% -0.0301 -0.0937)
OKLCH	oklch(41.43% 0.098 252.2)
XYZ	xyz(6.9899, 7.1005, 21.0767)
Luminance	0.0710 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4D7F #7F4F1D

analogous

#1D7E7F #1D4D7F #1E1D7F

triadic

#1D4D7F #7F1D4D #4D7F1D

tetradic

#1D4D7F #7F1D7E #7F4F1D #1D7F1E

square

#1D4D7F #7F1D7E #7F4F1D #1D7F1E

split-complementary

#1D4D7F #7F1E1D #7E7F1D

monochromatic

#06111B #122F4D #1D4D7F #286BB1 #428AD4

Accessibility & contrast

On white

8.68

#1D4D7F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#1D4D7F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4D7F

8.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4D7F	#FFFFFF	#000000	##FFFFFF
##1D4D7F	1.00	8.68	2.42	8.68
#FFFFFF	8.68	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#365081

Deuteranopia (green-blind)

#27477E

Tritanopia (blue-blind)

#005960

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #1d4d7f;
/* rgb */ color: rgb(29, 77, 127);
/* oklch */ color: oklch(41.4% 0.098 252.2);

Tailwind

colors: {
  custom: {
    50: '#687ea4',
    500: '#1d4d7f',
    950: '#000000',
  },
}

SCSS

$custom: #1d4d7f;
$custom-light: #687ea4;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4d7f",
  "rgb": {
    "r": 29,
    "g": 77,
    "b": 127
  },
  "hsl": {
    "h": 210.612,
    "s": 62.821,
    "l": 30.588
  },
  "oklch": {
    "l": 0.41426,
    "c": 0.09842,
    "h": 252.2
  },
  "luminance": 0.07101
}

Semantic roles & 50–950 ramp

primary

#1D4D7F

secondary

#B27D45

accent

#9642E6

background

#F6F7FA

surface

#EBEEF4

border

#C6C9CE

text

#07090F

muted

#7A7B7F

Preview Lab

Preview with #1D4D7F

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

Preview Lab → · Contrast checker → · Palette generator →