#1D0F8E#1D0F8E

#1D0F8E is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.6% C 0.188 H 272.3°. Best body text is #FFFFFF at 13.90:1 contrast (WCAG AA passes).

Color values

HEX	#1D0F8E
RGB	rgb(29, 15, 142)
HSL	hsl(247, 81%, 31%)
HSV	hsv(247, 89%, 56%)
CMYK	cmyk(79.6%, 89.4%, 0%, 44.3%)
CIE-LAB	lab(18.17, 46.81, -64.83)
CIE-LCH	lch(18.17, 79.96, 305.83°)
OKLab	oklab(31.57% 0.0077 -0.1874)
OKLCH	oklch(31.57% 0.188 272.3)
XYZ	xyz(5.5584, 2.5552, 25.7862)
Luminance	0.0256 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D0F8E #808E0F

analogous

#0F408E #1D0F8E #5C0F8E

triadic

#1D0F8E #8E1D0F #0F8E1D

tetradic

#1D0F8E #8E0F40 #808E0F #0F8E5C

square

#1D0F8E #8E0F40 #808E0F #0F8E5C

split-complementary

#1D0F8E #8E5C0F #408E0F

monochromatic

#06031F #120957 #1D0F8E #2815C5 #432EE9

Accessibility & contrast

On white

13.90

#1D0F8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#1D0F8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D0F8E

13.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D0F8E	#FFFFFF	#000000	##FFFFFF
##1D0F8E	1.00	13.90	1.51	13.90
#FFFFFF	13.90	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003291

Deuteranopia (green-blind)

#00268C

Tritanopia (blue-blind)

#003B53

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #1d0f8e;
/* rgb */ color: rgb(29, 15, 142);
/* oklch */ color: oklch(31.6% 0.188 272.3);

Tailwind

colors: {
  custom: {
    50: '#7054b1',
    500: '#1d0f8e',
    950: '#000000',
  },
}

SCSS

$custom: #1d0f8e;
$custom-light: #7054b1;
$custom-dark: #000000;

JSON

{
  "hex": "#1d0f8e",
  "rgb": {
    "r": 29,
    "g": 15,
    "b": 142
  },
  "hsl": {
    "h": 246.614,
    "s": 80.892,
    "l": 30.784
  },
  "oklch": {
    "l": 0.31566,
    "c": 0.18759,
    "h": 272.3
  },
  "luminance": 0.02556
}

Semantic roles & 50–950 ramp

primary

#1D0F8E

secondary

#B3C336

accent

#F731E1

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090311

muted

#7B7880

Preview Lab

Preview with #1D0F8E

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

Preview Lab → · Contrast checker → · Palette generator →