#1D4E97#1D4E97

#1D4E97 is a dark, vivid blue. Relative luminance 0.079; OKLCH L 43.3% C 0.131 H 258.6°. Best body text is #FFFFFF at 8.11:1 contrast (WCAG AA passes).

Color values

HEX	#1D4E97
RGB	rgb(29, 78, 151)
HSL	hsl(216, 68%, 35%)
HSV	hsv(216, 81%, 59%)
CMYK	cmyk(80.8%, 48.3%, 0%, 40.8%)
CIE-LAB	lab(33.86, 11.39, -44.66)
CIE-LCH	lch(33.86, 46.09, 284.31°)
OKLab	oklab(43.34% -0.0258 -0.1283)
OKLCH	oklch(43.34% 0.131 258.6)
XYZ	xyz(8.8150, 7.9433, 30.3408)
Luminance	0.0794 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4E97 #97661D

analogous

#1D8B97 #1D4E97 #291D97

triadic

#1D4E97 #971D4E #4E971D

tetradic

#1D4E97 #971D8B #97661D #1D9729

square

#1D4E97 #971D8B #97661D #1D9729

split-complementary

#1D4E97 #97291D #8B971D

monochromatic

#091930 #133364 #1D4E97 #2769CA #5189DE

Accessibility & contrast

On white

8.11

#1D4E97 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#1D4E97 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4E97

8.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4E97	#FFFFFF	#000000	##FFFFFF
##1D4E97	1.00	8.11	2.59	8.11
#FFFFFF	8.11	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#25569A

Deuteranopia (green-blind)

#004A96

Tritanopia (blue-blind)

#005F6B

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #1d4e97;
/* rgb */ color: rgb(29, 78, 151);
/* oklch */ color: oklch(43.3% 0.131 258.6);

Tailwind

colors: {
  custom: {
    50: '#6d7fb6',
    500: '#1d4e97',
    950: '#000000',
  },
}

SCSS

$custom: #1d4e97;
$custom-light: #6d7fb6;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4e97",
  "rgb": {
    "r": 29,
    "g": 78,
    "b": 151
  },
  "hsl": {
    "h": 215.902,
    "s": 67.778,
    "l": 35.294
  },
  "oklch": {
    "l": 0.43337,
    "c": 0.13088,
    "h": 258.6
  },
  "luminance": 0.07944
}

Semantic roles & 50–950 ramp

primary

#1D4E97

secondary

#C0934F

accent

#A53DEB

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080A11

muted

#7B7C80

Preview Lab

Preview with #1D4E97

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

Preview Lab → · Contrast checker → · Palette generator →