#1D2397#1D2397

#1D2397 is a dark, vivid blue. Relative luminance 0.037; OKLCH L 35.0% C 0.182 H 270.1°. Best body text is #FFFFFF at 12.07:1 contrast (WCAG AA passes).

Color values

HEX	#1D2397
RGB	rgb(29, 35, 151)
HSL	hsl(237, 68%, 35%)
HSV	hsv(237, 81%, 59%)
CMYK	cmyk(80.8%, 76.8%, 0%, 40.8%)
CIE-LAB	lab(22.64, 39.90, -62.98)
CIE-LCH	lch(22.64, 74.56, 302.35°)
OKLab	oklab(35% 0.0003 -0.1824)
OKLCH	oklch(35% 0.182 270.1)
XYZ	xyz(6.6917, 3.6969, 29.6330)
Luminance	0.0370 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2397 #97911D

analogous

#1D6097 #1D2397 #541D97

triadic

#1D2397 #971D23 #23971D

tetradic

#1D2397 #971D60 #97911D #1D9754

square

#1D2397 #971D60 #97911D #1D9754

split-complementary

#1D2397 #97541D #60971D

monochromatic

#090B30 #131764 #1D2397 #272FCA #5158DE

Accessibility & contrast

On white

12.07

#1D2397 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#1D2397 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2397

12.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2397	#FFFFFF	#000000	##FFFFFF
##1D2397	1.00	12.07	1.74	12.07
#FFFFFF	12.07	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C9A

Deuteranopia (green-blind)

#003095

Tritanopia (blue-blind)

#00455B

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #1d2397;
/* rgb */ color: rgb(29, 35, 151);
/* oklch */ color: oklch(35.0% 0.182 270.1);

Tailwind

colors: {
  custom: {
    50: '#715fb7',
    500: '#1d2397',
    950: '#000000',
  },
}

SCSS

$custom: #1d2397;
$custom-light: #715fb7;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2397",
  "rgb": {
    "r": 29,
    "g": 35,
    "b": 151
  },
  "hsl": {
    "h": 237.049,
    "s": 67.778,
    "l": 35.294
  },
  "oklch": {
    "l": 0.34998,
    "c": 0.18243,
    "h": 270.1
  },
  "luminance": 0.03698
}

Semantic roles & 50–950 ramp

primary

#1D2397

secondary

#C0BB4F

accent

#E23DEB

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090511

muted

#7B7980

Preview Lab

Preview with #1D2397

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

Preview Lab → · Contrast checker → · Palette generator →