#1D4297#1D4297

#1D4297 is a dark, vivid blue. Relative luminance 0.064; OKLCH L 40.7% C 0.146 H 263.5°. Best body text is #FFFFFF at 9.22:1 contrast (WCAG AA passes).

Color values

HEX	#1D4297
RGB	rgb(29, 66, 151)
HSL	hsl(222, 68%, 35%)
HSV	hsv(222, 81%, 59%)
CMYK	cmyk(80.8%, 56.3%, 0%, 40.8%)
CIE-LAB	lab(30.38, 19.57, -50.30)
CIE-LCH	lch(30.38, 53.97, 291.26°)
OKLab	oklab(40.68% -0.0165 -0.1451)
OKLCH	oklch(40.68% 0.146 263.5)
XYZ	xyz(8.0388, 6.3911, 30.0821)
Luminance	0.0639 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4297 #97721D

analogous

#1D7F97 #1D4297 #351D97

triadic

#1D4297 #971D42 #42971D

tetradic

#1D4297 #971D7F #97721D #1D9735

square

#1D4297 #971D7F #97721D #1D9735

split-complementary

#1D4297 #97351D #7F971D

monochromatic

#091530 #132C64 #1D4297 #2758CA #517CDE

Accessibility & contrast

On white

9.22

#1D4297 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#1D4297 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4297

9.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4297	#FFFFFF	#000000	##FFFFFF
##1D4297	1.00	9.22	2.28	9.22
#FFFFFF	9.22	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004D9A

Deuteranopia (green-blind)

#004295

Tritanopia (blue-blind)

#005766

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #1d4297;
/* rgb */ color: rgb(29, 66, 151);
/* oklch */ color: oklch(40.7% 0.146 263.5);

Tailwind

colors: {
  custom: {
    50: '#6e75b6',
    500: '#1d4297',
    950: '#000000',
  },
}

SCSS

$custom: #1d4297;
$custom-light: #6e75b6;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4297",
  "rgb": {
    "r": 29,
    "g": 66,
    "b": 151
  },
  "hsl": {
    "h": 221.803,
    "s": 67.778,
    "l": 35.294
  },
  "oklch": {
    "l": 0.40678,
    "c": 0.14608,
    "h": 263.5
  },
  "luminance": 0.06392
}

Semantic roles & 50–950 ramp

primary

#1D4297

secondary

#C09E4F

accent

#B63DEB

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1D4297

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

Preview Lab → · Contrast checker → · Palette generator →