#1D2191#1D2191

#1D2191 is a dark, vivid blue. Relative luminance 0.034; OKLCH L 34.0% C 0.177 H 270.7°. Best body text is #FFFFFF at 12.51:1 contrast (WCAG AA passes).

Color values

HEX	#1D2191
RGB	rgb(29, 33, 145)
HSL	hsl(238, 67%, 34%)
HSV	hsv(238, 80%, 57%)
CMYK	cmyk(80%, 77.2%, 0%, 43.1%)
CIE-LAB	lab(21.55, 38.97, -61.08)
CIE-LCH	lch(21.55, 72.45, 302.54°)
OKLab	oklab(34.03% 0.0021 -0.1769)
OKLCH	oklch(34.03% 0.177 270.7)
XYZ	xyz(6.1596, 3.3926, 27.1128)
Luminance	0.0339 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2191 #918D1D

analogous

#1D5B91 #1D2191 #531D91

triadic

#1D2191 #911D21 #21911D

tetradic

#1D2191 #911D5B #918D1D #1D9153

square

#1D2191 #911D5B #918D1D #1D9153

split-complementary

#1D2191 #91531D #5B911D

monochromatic

#090A2B #13155E #1D2191 #272DC4 #4D52DB

Accessibility & contrast

On white

12.51

#1D2191 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#1D2191 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2191

12.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2191	#FFFFFF	#000000	##FFFFFF
##1D2191	1.00	12.51	1.68	12.51
#FFFFFF	12.51	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003994

Deuteranopia (green-blind)

#002E8F

Tritanopia (blue-blind)

#004258

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1d2191;
/* rgb */ color: rgb(29, 33, 145);
/* oklch */ color: oklch(34.0% 0.177 270.7);

Tailwind

colors: {
  custom: {
    50: '#6f5eb2',
    500: '#1d2191',
    950: '#000000',
  },
}

SCSS

$custom: #1d2191;
$custom-light: #6f5eb2;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2191",
  "rgb": {
    "r": 29,
    "g": 33,
    "b": 145
  },
  "hsl": {
    "h": 237.931,
    "s": 66.667,
    "l": 34.118
  },
  "oklch": {
    "l": 0.34025,
    "c": 0.1769,
    "h": 270.7
  },
  "luminance": 0.03393
}

Semantic roles & 50–950 ramp

primary

#1D2191

secondary

#BEBA4C

accent

#E43EEA

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #1D2191

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

Preview Lab → · Contrast checker → · Palette generator →