#1D2797#1D2797

#1D2797 is a dark, vivid blue. Relative luminance 0.039; OKLCH L 35.6% C 0.178 H 269.6°. Best body text is #FFFFFF at 11.74:1 contrast (WCAG AA passes).

Color values

HEX	#1D2797
RGB	rgb(29, 39, 151)
HSL	hsl(235, 68%, 35%)
HSV	hsv(235, 81%, 59%)
CMYK	cmyk(80.8%, 74.2%, 0%, 40.8%)
CIE-LAB	lab(23.49, 37.51, -61.58)
CIE-LCH	lch(23.49, 72.11, 301.35°)
OKLab	oklab(35.6% -0.0012 -0.1784)
OKLCH	oklch(35.6% 0.178 269.6)
XYZ	xyz(6.8162, 3.9458, 29.6745)
Luminance	0.0395 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2797 #978D1D

analogous

#1D6497 #1D2797 #501D97

triadic

#1D2797 #971D27 #27971D

tetradic

#1D2797 #971D64 #978D1D #1D9750

square

#1D2797 #971D64 #978D1D #1D9750

split-complementary

#1D2797 #97501D #64971D

monochromatic

#090C30 #131A64 #1D2797 #2734CA #515CDE

Accessibility & contrast

On white

11.74

#1D2797 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#1D2797 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2797

11.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2797	#FFFFFF	#000000	##FFFFFF
##1D2797	1.00	11.74	1.79	11.74
#FFFFFF	11.74	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E9A

Deuteranopia (green-blind)

#003295

Tritanopia (blue-blind)

#00475C

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #1d2797;
/* rgb */ color: rgb(29, 39, 151);
/* oklch */ color: oklch(35.6% 0.178 269.6);

Tailwind

colors: {
  custom: {
    50: '#7062b7',
    500: '#1d2797',
    950: '#000000',
  },
}

SCSS

$custom: #1d2797;
$custom-light: #7062b7;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2797",
  "rgb": {
    "r": 29,
    "g": 39,
    "b": 151
  },
  "hsl": {
    "h": 235.082,
    "s": 67.778,
    "l": 35.294
  },
  "oklch": {
    "l": 0.35602,
    "c": 0.17839,
    "h": 269.6
  },
  "luminance": 0.03947
}

Semantic roles & 50–950 ramp

primary

#1D2797

secondary

#C0B74F

accent

#DC3DEB

background

#F7F5FB

surface

#EDEAF6

border

#C8C6D0

text

#090511

muted

#7B7980

Preview Lab

Preview with #1D2797

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

Preview Lab → · Contrast checker → · Palette generator →