#1D4497#1D4497

#1D4497 is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.1% C 0.144 H 262.8°. Best body text is #FFFFFF at 9.03:1 contrast (WCAG AA passes).

Color values

HEX	#1D4497
RGB	rgb(29, 68, 151)
HSL	hsl(221, 68%, 35%)
HSV	hsv(221, 81%, 59%)
CMYK	cmyk(80.8%, 55%, 0%, 40.8%)
CIE-LAB	lab(30.95, 18.20, -49.38)
CIE-LCH	lch(30.95, 52.62, 290.23°)
OKLab	oklab(41.11% -0.018 -0.1424)
OKLCH	oklch(41.11% 0.144 262.8)
XYZ	xyz(8.1577, 6.6289, 30.1217)
Luminance	0.0663 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4497 #97701D

analogous

#1D8197 #1D4497 #331D97

triadic

#1D4497 #971D44 #44971D

tetradic

#1D4497 #971D81 #97701D #1D9733

square

#1D4497 #971D81 #97701D #1D9733

split-complementary

#1D4497 #97331D #81971D

monochromatic

#091630 #132D64 #1D4497 #275BCA #517EDE

Accessibility & contrast

On white

9.03

#1D4497 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#1D4497 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4497

9.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4497	#FFFFFF	#000000	##FFFFFF
##1D4497	1.00	9.03	2.33	9.03
#FFFFFF	9.03	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004F9A

Deuteranopia (green-blind)

#004495

Tritanopia (blue-blind)

#005866

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #1d4497;
/* rgb */ color: rgb(29, 68, 151);
/* oklch */ color: oklch(41.1% 0.144 262.8);

Tailwind

colors: {
  custom: {
    50: '#6e77b6',
    500: '#1d4497',
    950: '#000000',
  },
}

SCSS

$custom: #1d4497;
$custom-light: #6e77b6;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4497",
  "rgb": {
    "r": 29,
    "g": 68,
    "b": 151
  },
  "hsl": {
    "h": 220.82,
    "s": 67.778,
    "l": 35.294
  },
  "oklch": {
    "l": 0.41108,
    "c": 0.14352,
    "h": 262.8
  },
  "luminance": 0.0663
}

Semantic roles & 50–950 ramp

primary

#1D4497

secondary

#C09C4F

accent

#B33DEB

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1D4497

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

Preview Lab → · Contrast checker → · Palette generator →