#1D4197#1D4197

#1D4197 is a dark, vivid blue. Relative luminance 0.063; OKLCH L 40.5% C 0.147 H 263.8°. Best body text is #FFFFFF at 9.31:1 contrast (WCAG AA passes).

Color values

HEX	#1D4197
RGB	rgb(29, 65, 151)
HSL	hsl(222, 68%, 35%)
HSV	hsv(222, 81%, 59%)
CMYK	cmyk(80.8%, 57%, 0%, 40.8%)
CIE-LAB	lab(30.10, 20.26, -50.76)
CIE-LCH	lch(30.10, 54.65, 291.76°)
OKLab	oklab(40.47% -0.0158 -0.1465)
OKLCH	oklch(40.47% 0.147 263.8)
XYZ	xyz(7.9809, 6.2752, 30.0628)
Luminance	0.0628 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4197 #97731D

analogous

#1D7E97 #1D4197 #361D97

triadic

#1D4197 #971D41 #41971D

tetradic

#1D4197 #971D7E #97731D #1D9736

square

#1D4197 #971D7E #97731D #1D9736

split-complementary

#1D4197 #97361D #7E971D

monochromatic

#091530 #132B64 #1D4197 #2757CA #517ADE

Accessibility & contrast

On white

9.31

#1D4197 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#1D4197 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4197

9.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4197	#FFFFFF	#000000	##FFFFFF
##1D4197	1.00	9.31	2.26	9.31
#FFFFFF	9.31	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004D9A

Deuteranopia (green-blind)

#004195

Tritanopia (blue-blind)

#005665

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #1d4197;
/* rgb */ color: rgb(29, 65, 151);
/* oklch */ color: oklch(40.5% 0.147 263.8);

Tailwind

colors: {
  custom: {
    50: '#6e75b6',
    500: '#1d4197',
    950: '#000000',
  },
}

SCSS

$custom: #1d4197;
$custom-light: #6e75b6;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4197",
  "rgb": {
    "r": 29,
    "g": 65,
    "b": 151
  },
  "hsl": {
    "h": 222.295,
    "s": 67.778,
    "l": 35.294
  },
  "oklch": {
    "l": 0.40465,
    "c": 0.14736,
    "h": 263.8
  },
  "luminance": 0.06276
}

Semantic roles & 50–950 ramp

primary

#1D4197

secondary

#C09F4F

accent

#B73DEB

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1D4197

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

Preview Lab → · Contrast checker → · Palette generator →