#1D3097#1D3097

#1D3097 is a dark, vivid blue. Relative luminance 0.046; OKLCH L 37.1% C 0.168 H 268.2°. Best body text is #FFFFFF at 10.93:1 contrast (WCAG AA passes).

Color values

HEX	#1D3097
RGB	rgb(29, 48, 151)
HSL	hsl(231, 68%, 35%)
HSV	hsv(231, 81%, 59%)
CMYK	cmyk(80.8%, 68.2%, 0%, 40.8%)
CIE-LAB	lab(25.59, 31.78, -58.12)
CIE-LCH	lch(25.59, 66.25, 298.67°)
OKLab	oklab(37.12% -0.0053 -0.1683)
OKLCH	oklch(37.12% 0.168 268.2)
XYZ	xyz(7.1476, 4.6087, 29.7850)
Luminance	0.0461 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D3097 #97841D

analogous

#1D6D97 #1D3097 #471D97

triadic

#1D3097 #971D30 #30971D

tetradic

#1D3097 #971D6D #97841D #1D9747

square

#1D3097 #971D6D #97841D #1D9747

split-complementary

#1D3097 #97471D #6D971D

monochromatic

#090F30 #132064 #1D3097 #2740CA #5167DE

Accessibility & contrast

On white

10.93

#1D3097 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#1D3097 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D3097

10.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D3097	#FFFFFF	#000000	##FFFFFF
##1D3097	1.00	10.93	1.92	10.93
#FFFFFF	10.93	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00439A

Deuteranopia (green-blind)

#003795

Tritanopia (blue-blind)

#004C5F

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #1d3097;
/* rgb */ color: rgb(29, 48, 151);
/* oklch */ color: oklch(37.1% 0.168 268.2);

Tailwind

colors: {
  custom: {
    50: '#6f68b7',
    500: '#1d3097',
    950: '#000000',
  },
}

SCSS

$custom: #1d3097;
$custom-light: #6f68b7;
$custom-dark: #000000;

JSON

{
  "hex": "#1d3097",
  "rgb": {
    "r": 29,
    "g": 48,
    "b": 151
  },
  "hsl": {
    "h": 230.656,
    "s": 67.778,
    "l": 35.294
  },
  "oklch": {
    "l": 0.37118,
    "c": 0.1684,
    "h": 268.2
  },
  "luminance": 0.04609
}

Semantic roles & 50–950 ramp

primary

#1D3097

secondary

#C0AF4F

accent

#D03DEB

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #1D3097

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

Preview Lab → · Contrast checker → · Palette generator →