#1D0F71#1D0F71

#1D0F71 is a dark, vivid blue. Relative luminance 0.018; OKLCH L 27.9% C 0.153 H 276.3°. Best body text is #FFFFFF at 15.45:1 contrast (WCAG AA passes).

Color values

HEX	#1D0F71
RGB	rgb(29, 15, 113)
HSL	hsl(249, 77%, 25%)
HSV	hsv(249, 87%, 44%)
CMYK	cmyk(74.3%, 86.7%, 0%, 55.7%)
CIE-LAB	lab(14.37, 37.89, -52.67)
CIE-LCH	lch(14.37, 64.89, 305.73°)
OKLab	oklab(27.88% 0.0167 -0.1522)
OKLCH	oklch(27.88% 0.153 276.3)
XYZ	xyz(3.6572, 1.7948, 15.7733)
Luminance	0.0180 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D0F71 #63710F

analogous

#0F3271 #1D0F71 #4E0F71

triadic

#1D0F71 #711D0F #0F711D

tetradic

#1D0F71 #710F32 #63710F #0F714E

square

#1D0F71 #710F32 #63710F #0F714E

split-complementary

#1D0F71 #714E0F #32710F

monochromatic

#07041B #0F083B #1D0F71 #2B16A7 #391DDD

Accessibility & contrast

On white

15.45

#1D0F71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#1D0F71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D0F71

15.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D0F71	#FFFFFF	#000000	##FFFFFF
##1D0F71	1.00	15.45	1.36	15.45
#FFFFFF	15.45	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002874

Deuteranopia (green-blind)

#00206F

Tritanopia (blue-blind)

#002E41

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #1d0f71;
/* rgb */ color: rgb(29, 15, 113);
/* oklch */ color: oklch(27.9% 0.153 276.3);

Tailwind

colors: {
  custom: {
    50: '#69519b',
    500: '#1d0f71',
    950: '#000000',
  },
}

SCSS

$custom: #1d0f71;
$custom-light: #69519b;
$custom-dark: #000000;

JSON

{
  "hex": "#1d0f71",
  "rgb": {
    "r": 29,
    "g": 15,
    "b": 113
  },
  "hsl": {
    "h": 248.571,
    "s": 76.563,
    "l": 25.098
  },
  "oklch": {
    "l": 0.27884,
    "c": 0.15315,
    "h": 276.3
  },
  "luminance": 0.01795
}

Semantic roles & 50–950 ramp

primary

#1D0F71

secondary

#98A933

accent

#F335D8

background

#F6F4F9

surface

#ECE7F2

border

#C7C3CC

text

#07020E

muted

#7A787E

Preview Lab

Preview with #1D0F71

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

Preview Lab → · Contrast checker → · Palette generator →