#1D4D97#1D4D97

#1D4D97 is a dark, vivid blue. Relative luminance 0.078; OKLCH L 43.1% C 0.132 H 259.1°. Best body text is #FFFFFF at 8.20:1 contrast (WCAG AA passes).

Color values

HEX	#1D4D97
RGB	rgb(29, 77, 151)
HSL	hsl(216, 68%, 35%)
HSV	hsv(216, 81%, 59%)
CMYK	cmyk(80.8%, 49%, 0%, 40.8%)
CIE-LAB	lab(33.57, 12.06, -45.14)
CIE-LCH	lch(33.57, 46.72, 284.96°)
OKLab	oklab(43.11% -0.025 -0.1297)
OKLCH	oklch(43.11% 0.132 259.1)
XYZ	xyz(8.7444, 7.8023, 30.3173)
Luminance	0.0780 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4D97 #97671D

analogous

#1D8A97 #1D4D97 #2A1D97

triadic

#1D4D97 #971D4D #4D971D

tetradic

#1D4D97 #971D8A #97671D #1D972A

square

#1D4D97 #971D8A #97671D #1D972A

split-complementary

#1D4D97 #972A1D #8A971D

monochromatic

#091930 #133364 #1D4D97 #2767CA #5188DE

Accessibility & contrast

On white

8.20

#1D4D97 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#1D4D97 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4D97

8.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4D97	#FFFFFF	#000000	##FFFFFF
##1D4D97	1.00	8.20	2.56	8.20
#FFFFFF	8.20	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#23559A

Deuteranopia (green-blind)

#004A96

Tritanopia (blue-blind)

#005F6A

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #1d4d97;
/* rgb */ color: rgb(29, 77, 151);
/* oklch */ color: oklch(43.1% 0.132 259.1);

Tailwind

colors: {
  custom: {
    50: '#6d7eb6',
    500: '#1d4d97',
    950: '#000000',
  },
}

SCSS

$custom: #1d4d97;
$custom-light: #6d7eb6;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4d97",
  "rgb": {
    "r": 29,
    "g": 77,
    "b": 151
  },
  "hsl": {
    "h": 216.393,
    "s": 67.778,
    "l": 35.294
  },
  "oklch": {
    "l": 0.43109,
    "c": 0.13212,
    "h": 259.1
  },
  "luminance": 0.07803
}

Semantic roles & 50–950 ramp

primary

#1D4D97

secondary

#C0944F

accent

#A63DEB

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080911

muted

#7B7B80

Preview Lab

Preview with #1D4D97

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

Preview Lab → · Contrast checker → · Palette generator →