#1D2197#1D2197

#1D2197 is a dark, vivid blue. Relative luminance 0.036; OKLCH L 34.7% C 0.184 H 270.3°. Best body text is #FFFFFF at 12.23:1 contrast (WCAG AA passes).

Color values

HEX	#1D2197
RGB	rgb(29, 33, 151)
HSL	hsl(238, 68%, 35%)
HSV	hsv(238, 81%, 59%)
CMYK	cmyk(80.8%, 78.1%, 0%, 40.8%)
CIE-LAB	lab(22.24, 41.04, -63.65)
CIE-LCH	lch(22.24, 75.74, 302.81°)
OKLab	oklab(34.71% 0.001 -0.1843)
OKLCH	oklch(34.71% 0.184 270.3)
XYZ	xyz(6.6346, 3.5825, 29.6140)
Luminance	0.0358 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2197 #97931D

analogous

#1D5E97 #1D2197 #561D97

triadic

#1D2197 #971D21 #21971D

tetradic

#1D2197 #971D5E #97931D #1D9756

square

#1D2197 #971D5E #97931D #1D9756

split-complementary

#1D2197 #97561D #5E971D

monochromatic

#090B30 #131664 #1D2197 #272CCA #5155DE

Accessibility & contrast

On white

12.23

#1D2197 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#1D2197 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2197

12.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2197	#FFFFFF	#000000	##FFFFFF
##1D2197	1.00	12.23	1.72	12.23
#FFFFFF	12.23	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B9A

Deuteranopia (green-blind)

#002F95

Tritanopia (blue-blind)

#00455B

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #1d2197;
/* rgb */ color: rgb(29, 33, 151);
/* oklch */ color: oklch(34.7% 0.184 270.3);

Tailwind

colors: {
  custom: {
    50: '#715eb7',
    500: '#1d2197',
    950: '#000000',
  },
}

SCSS

$custom: #1d2197;
$custom-light: #715eb7;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2197",
  "rgb": {
    "r": 29,
    "g": 33,
    "b": 151
  },
  "hsl": {
    "h": 238.033,
    "s": 67.778,
    "l": 35.294
  },
  "oklch": {
    "l": 0.34713,
    "c": 0.18434,
    "h": 270.3
  },
  "luminance": 0.03583
}

Semantic roles & 50–950 ramp

primary

#1D2197

secondary

#C0BD4F

accent

#E53DEB

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #1D2197

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

Preview Lab → · Contrast checker → · Palette generator →