#1D4997#1D4997

#1D4997 is a dark, vivid blue. Relative luminance 0.073; OKLCH L 42.2% C 0.137 H 260.9°. Best body text is #FFFFFF at 8.56:1 contrast (WCAG AA passes).

Color values

HEX	#1D4997
RGB	rgb(29, 73, 151)
HSL	hsl(218, 68%, 35%)
HSV	hsv(218, 81%, 59%)
CMYK	cmyk(80.8%, 51.7%, 0%, 40.8%)
CIE-LAB	lab(32.39, 14.78, -47.04)
CIE-LCH	lch(32.39, 49.30, 287.44°)
OKLab	oklab(42.21% -0.0218 -0.1354)
OKLCH	oklch(42.21% 0.137 260.9)
XYZ	xyz(8.4731, 7.2597, 30.2268)
Luminance	0.0726 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4997 #976B1D

analogous

#1D8697 #1D4997 #2E1D97

triadic

#1D4997 #971D49 #49971D

tetradic

#1D4997 #971D86 #976B1D #1D972E

square

#1D4997 #971D86 #976B1D #1D972E

split-complementary

#1D4997 #972E1D #86971D

monochromatic

#091730 #133064 #1D4997 #2762CA #5184DE

Accessibility & contrast

On white

8.56

#1D4997 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#1D4997 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4997

8.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4997	#FFFFFF	#000000	##FFFFFF
##1D4997	1.00	8.56	2.45	8.56
#FFFFFF	8.56	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#17529A

Deuteranopia (green-blind)

#004795

Tritanopia (blue-blind)

#005C69

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #1d4997;
/* rgb */ color: rgb(29, 73, 151);
/* oklch */ color: oklch(42.2% 0.137 260.9);

Tailwind

colors: {
  custom: {
    50: '#6d7bb6',
    500: '#1d4997',
    950: '#000000',
  },
}

SCSS

$custom: #1d4997;
$custom-light: #6d7bb6;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4997",
  "rgb": {
    "r": 29,
    "g": 73,
    "b": 151
  },
  "hsl": {
    "h": 218.361,
    "s": 67.778,
    "l": 35.294
  },
  "oklch": {
    "l": 0.42207,
    "c": 0.13715,
    "h": 260.9
  },
  "luminance": 0.07261
}

Semantic roles & 50–950 ramp

primary

#1D4997

secondary

#C0984F

accent

#AC3DEB

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080911

muted

#7B7B80

Preview Lab

Preview with #1D4997

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

Preview Lab → · Contrast checker → · Palette generator →