#1D107D#1D107D

#1D107D is a dark, vivid blue. Relative luminance 0.021; OKLCH L 29.5% C 0.167 H 274.3°. Best body text is #FFFFFF at 14.76:1 contrast (WCAG AA passes).

Color values

HEX	#1D107D
RGB	rgb(29, 16, 125)
HSL	hsl(247, 77%, 28%)
HSV	hsv(247, 87%, 49%)
CMYK	cmyk(76.8%, 87.2%, 0%, 51%)
CIE-LAB	lab(16.06, 41.22, -57.59)
CIE-LCH	lch(16.06, 70.82, 305.59°)
OKLab	oklab(29.49% 0.0126 -0.1665)
OKLCH	oklch(29.49% 0.167 274.3)
XYZ	xyz(4.3924, 2.1120, 19.5742)
Luminance	0.0211 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D107D #707D10

analogous

#10397D #1D107D #53107D

triadic

#1D107D #7D1D10 #107D1D

tetradic

#1D107D #7D1039 #707D10 #107D53

square

#1D107D #7D1039 #707D10 #107D53

split-complementary

#1D107D #7D5310 #397D10

monochromatic

#06031B #100947 #1D107D #2A17B3 #3B24E3

Accessibility & contrast

On white

14.76

#1D107D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#1D107D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D107D

14.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D107D	#FFFFFF	#000000	##FFFFFF
##1D107D	1.00	14.76	1.42	14.76
#FFFFFF	14.76	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D80

Deuteranopia (green-blind)

#00237B

Tritanopia (blue-blind)

#003449

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #1d107d;
/* rgb */ color: rgb(29, 16, 125);
/* oklch */ color: oklch(29.5% 0.167 274.3);

Tailwind

colors: {
  custom: {
    50: '#6c53a4',
    500: '#1d107d',
    950: '#000000',
  },
}

SCSS

$custom: #1d107d;
$custom-light: #6c53a4;
$custom-dark: #000000;

JSON

{
  "hex": "#1d107d",
  "rgb": {
    "r": 29,
    "g": 16,
    "b": 125
  },
  "hsl": {
    "h": 247.156,
    "s": 77.305,
    "l": 27.647
  },
  "oklch": {
    "l": 0.29492,
    "c": 0.16699,
    "h": 274.3
  },
  "luminance": 0.02112
}

Semantic roles & 50–950 ramp

primary

#1D107D

secondary

#A4B335

accent

#F434DD

background

#F7F4FA

surface

#EDE7F4

border

#C8C3CE

text

#08030F

muted

#7B787F

Preview Lab

Preview with #1D107D

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

Preview Lab → · Contrast checker → · Palette generator →