#1D4A97#1D4A97

#1D4A97 is a dark, vivid blue. Relative luminance 0.074; OKLCH L 42.4% C 0.136 H 260.4°. Best body text is #FFFFFF at 8.47:1 contrast (WCAG AA passes).

Color values

HEX	#1D4A97
RGB	rgb(29, 74, 151)
HSL	hsl(218, 68%, 35%)
HSV	hsv(218, 81%, 59%)
CMYK	cmyk(80.8%, 51%, 0%, 40.8%)
CIE-LAB	lab(32.68, 14.10, -46.56)
CIE-LCH	lch(32.68, 48.65, 286.85°)
OKLab	oklab(42.43% -0.0226 -0.134)
OKLCH	oklch(42.43% 0.136 260.4)
XYZ	xyz(8.5394, 7.3921, 30.2489)
Luminance	0.0739 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4A97 #976A1D

analogous

#1D8797 #1D4A97 #2D1D97

triadic

#1D4A97 #971D4A #4A971D

tetradic

#1D4A97 #971D87 #976A1D #1D972D

square

#1D4A97 #971D87 #976A1D #1D972D

split-complementary

#1D4A97 #972D1D #87971D

monochromatic

#091830 #133164 #1D4A97 #2763CA #5185DE

Accessibility & contrast

On white

8.47

#1D4A97 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#1D4A97 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4A97

8.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4A97	#FFFFFF	#000000	##FFFFFF
##1D4A97	1.00	8.47	2.48	8.47
#FFFFFF	8.47	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A539A

Deuteranopia (green-blind)

#004895

Tritanopia (blue-blind)

#005D69

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #1d4a97;
/* rgb */ color: rgb(29, 74, 151);
/* oklch */ color: oklch(42.4% 0.136 260.4);

Tailwind

colors: {
  custom: {
    50: '#6d7bb6',
    500: '#1d4a97',
    950: '#000000',
  },
}

SCSS

$custom: #1d4a97;
$custom-light: #6d7bb6;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4a97",
  "rgb": {
    "r": 29,
    "g": 74,
    "b": 151
  },
  "hsl": {
    "h": 217.869,
    "s": 67.778,
    "l": 35.294
  },
  "oklch": {
    "l": 0.42431,
    "c": 0.13589,
    "h": 260.4
  },
  "luminance": 0.07393
}

Semantic roles & 50–950 ramp

primary

#1D4A97

secondary

#C0974F

accent

#AB3DEB

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080911

muted

#7B7B80

Preview Lab

Preview with #1D4A97

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

Preview Lab → · Contrast checker → · Palette generator →