#1D4E8D#1D4E8D

#1D4E8D is a dark, moderate cyan. Relative luminance 0.076; OKLCH L 42.6% C 0.117 H 256.3°. Best body text is #FFFFFF at 8.31:1 contrast (WCAG AA passes).

Color values

HEX	#1D4E8D
RGB	rgb(29, 78, 141)
HSL	hsl(214, 66%, 33%)
HSV	hsv(214, 79%, 55%)
CMYK	cmyk(79.4%, 44.7%, 0%, 44.7%)
CIE-LAB	lab(33.20, 7.37, -39.63)
CIE-LCH	lch(33.20, 40.31, 280.54°)
OKLab	oklab(42.61% -0.0277 -0.1135)
OKLCH	oklch(42.61% 0.117 256.3)
XYZ	xyz(8.0370, 7.6321, 26.2437)
Luminance	0.0763 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4E8D #8D5C1D

analogous

#1D868D #1D4E8D #241D8D

triadic

#1D4E8D #8D1D4E #4E8D1D

tetradic

#1D4E8D #8D1D86 #8D5C1D #1D8D24

square

#1D4E8D #8D1D86 #8D5C1D #1D8D24

split-complementary

#1D4E8D #8D241D #868D1D

monochromatic

#081627 #13325A #1D4E8D #276AC0 #4B89DA

Accessibility & contrast

On white

8.31

#1D4E8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#1D4E8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4E8D

8.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4E8D	#FFFFFF	#000000	##FFFFFF
##1D4E8D	1.00	8.31	2.53	8.31
#FFFFFF	8.31	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E548F

Deuteranopia (green-blind)

#18498C

Tritanopia (blue-blind)

#005D66

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #1d4e8d;
/* rgb */ color: rgb(29, 78, 141);
/* oklch */ color: oklch(42.6% 0.117 256.3);

Tailwind

colors: {
  custom: {
    50: '#6b7faf',
    500: '#1d4e8d',
    950: '#000000',
  },
}

SCSS

$custom: #1d4e8d;
$custom-light: #6b7faf;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4e8d",
  "rgb": {
    "r": 29,
    "g": 78,
    "b": 141
  },
  "hsl": {
    "h": 213.75,
    "s": 65.882,
    "l": 33.333
  },
  "oklch": {
    "l": 0.42615,
    "c": 0.11685,
    "h": 256.3
  },
  "luminance": 0.07633
}

Semantic roles & 50–950 ramp

primary

#1D4E8D

secondary

#BC8A4A

accent

#9F3FE9

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#080A10

muted

#7A7C7F

Preview Lab

Preview with #1D4E8D

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

Preview Lab → · Contrast checker → · Palette generator →