#1D2897#1D2897

#1D2897 is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.8% C 0.177 H 269.5°. Best body text is #FFFFFF at 11.65:1 contrast (WCAG AA passes).

Color values

HEX	#1D2897
RGB	rgb(29, 40, 151)
HSL	hsl(235, 68%, 35%)
HSV	hsv(235, 81%, 59%)
CMYK	cmyk(80.8%, 73.5%, 0%, 40.8%)
CIE-LAB	lab(23.71, 36.90, -61.22)
CIE-LCH	lch(23.71, 71.48, 301.08°)
OKLab	oklab(35.76% -0.0016 -0.1773)
OKLCH	oklch(35.76% 0.177 269.5)
XYZ	xyz(6.8495, 4.0124, 29.6856)
Luminance	0.0401 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2897 #978C1D

analogous

#1D6597 #1D2897 #4F1D97

triadic

#1D2897 #971D28 #28971D

tetradic

#1D2897 #971D65 #978C1D #1D974F

square

#1D2897 #971D65 #978C1D #1D974F

split-complementary

#1D2897 #974F1D #65971D

monochromatic

#090D30 #131A64 #1D2897 #2736CA #515EDE

Accessibility & contrast

On white

11.65

#1D2897 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#1D2897 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2897

11.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2897	#FFFFFF	#000000	##FFFFFF
##1D2897	1.00	11.65	1.80	11.65
#FFFFFF	11.65	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E9A

Deuteranopia (green-blind)

#003295

Tritanopia (blue-blind)

#00485D

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #1d2897;
/* rgb */ color: rgb(29, 40, 151);
/* oklch */ color: oklch(35.8% 0.177 269.5);

Tailwind

colors: {
  custom: {
    50: '#7063b7',
    500: '#1d2897',
    950: '#000000',
  },
}

SCSS

$custom: #1d2897;
$custom-light: #7063b7;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2897",
  "rgb": {
    "r": 29,
    "g": 40,
    "b": 151
  },
  "hsl": {
    "h": 234.59,
    "s": 67.778,
    "l": 35.294
  },
  "oklch": {
    "l": 0.3576,
    "c": 0.17734,
    "h": 269.5
  },
  "luminance": 0.04013
}

Semantic roles & 50–950 ramp

primary

#1D2897

secondary

#C0B64F

accent

#DB3DEB

background

#F7F5FB

surface

#EDEAF6

border

#C8C6D0

text

#090511

muted

#7B7980

Preview Lab

Preview with #1D2897

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

Preview Lab → · Contrast checker → · Palette generator →