#1D0F72#1D0F72

#1D0F72 is a dark, vivid blue. Relative luminance 0.018; OKLCH L 28.0% C 0.154 H 276.1°. Best body text is #FFFFFF at 15.40:1 contrast (WCAG AA passes).

Color values

HEX	#1D0F72
RGB	rgb(29, 15, 114)
HSL	hsl(248, 77%, 25%)
HSV	hsv(248, 87%, 45%)
CMYK	cmyk(74.6%, 86.8%, 0%, 55.3%)
CIE-LAB	lab(14.50, 38.21, -53.11)
CIE-LCH	lch(14.50, 65.43, 305.73°)
OKLab	oklab(28.01% 0.0164 -0.1535)
OKLCH	oklch(28.01% 0.154 276.1)
XYZ	xyz(3.7138, 1.8174, 16.0714)
Luminance	0.0182 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D0F72 #64720F

analogous

#0F3272 #1D0F72 #4E0F72

triadic

#1D0F72 #721D0F #0F721D

tetradic

#1D0F72 #720F32 #64720F #0F724E

square

#1D0F72 #720F32 #64720F #0F724E

split-complementary

#1D0F72 #724E0F #32720F

monochromatic

#07041B #0F083C #1D0F72 #2B16A8 #391DDE

Accessibility & contrast

On white

15.40

#1D0F72 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#1D0F72 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D0F72

15.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D0F72	#FFFFFF	#000000	##FFFFFF
##1D0F72	1.00	15.40	1.36	15.40
#FFFFFF	15.40	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002975

Deuteranopia (green-blind)

#002070

Tritanopia (blue-blind)

#002F42

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #1d0f72;
/* rgb */ color: rgb(29, 15, 114);
/* oklch */ color: oklch(28.0% 0.154 276.1);

Tailwind

colors: {
  custom: {
    50: '#69519c',
    500: '#1d0f72',
    950: '#000000',
  },
}

SCSS

$custom: #1d0f72;
$custom-light: #69519c;
$custom-dark: #000000;

JSON

{
  "hex": "#1d0f72",
  "rgb": {
    "r": 29,
    "g": 15,
    "b": 114
  },
  "hsl": {
    "h": 248.485,
    "s": 76.744,
    "l": 25.294
  },
  "oklch": {
    "l": 0.28009,
    "c": 0.15437,
    "h": 276.1
  },
  "luminance": 0.01818
}

Semantic roles & 50–950 ramp

primary

#1D0F72

secondary

#99AA33

accent

#F335D8

background

#F6F4F9

surface

#ECE7F2

border

#C7C3CC

text

#07020E

muted

#7A787E

Preview Lab

Preview with #1D0F72

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

Preview Lab → · Contrast checker → · Palette generator →