#1D156F#1D156F

#1D156F is a dark, vivid blue. Relative luminance 0.019; OKLCH L 28.4% C 0.145 H 275.8°. Best body text is #FFFFFF at 15.12:1 contrast (WCAG AA passes).

Color values

HEX	#1D156F
RGB	rgb(29, 21, 111)
HSL	hsl(245, 68%, 26%)
HSV	hsv(245, 81%, 44%)
CMYK	cmyk(73.9%, 81.1%, 0%, 56.5%)
CIE-LAB	lab(15.20, 34.12, -50.01)
CIE-LCH	lch(15.20, 60.54, 304.31°)
OKLab	oklab(28.39% 0.0146 -0.1446)
OKLCH	oklch(28.39% 0.145 275.8)
XYZ	xyz(3.6432, 1.9449, 15.2193)
Luminance	0.0194 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D156F #676F15

analogous

#153A6F #1D156F #4A156F

triadic

#1D156F #6F1D15 #156F1D

tetradic

#1D156F #6F153A #676F15 #156F4A

square

#1D156F #6F153A #676F15 #156F4A

split-complementary

#1D156F #6F4A15 #3A6F15

monochromatic

#07051A #100B3C #1D156F #2A1FA2 #3828D6

Accessibility & contrast

On white

15.12

#1D156F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#1D156F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D156F

15.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D156F	#FFFFFF	#000000	##FFFFFF
##1D156F	1.00	15.12	1.39	15.12
#FFFFFF	15.12	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A72

Deuteranopia (green-blind)

#00226D

Tritanopia (blue-blind)

#003041

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #1d156f;
/* rgb */ color: rgb(29, 21, 111);
/* oklch */ color: oklch(28.4% 0.145 275.8);

Tailwind

colors: {
  custom: {
    50: '#675499',
    500: '#1d156f',
    950: '#000000',
  },
}

SCSS

$custom: #1d156f;
$custom-light: #675499;
$custom-dark: #000000;

JSON

{
  "hex": "#1d156f",
  "rgb": {
    "r": 29,
    "g": 21,
    "b": 111
  },
  "hsl": {
    "h": 245.333,
    "s": 68.182,
    "l": 25.882
  },
  "oklch": {
    "l": 0.28385,
    "c": 0.14532,
    "h": 275.8
  },
  "luminance": 0.01945
}

Semantic roles & 50–950 ramp

primary

#1D156F

secondary

#9CA53A

accent

#EB3DDC

background

#F6F5F9

surface

#EBE8F2

border

#C6C4CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #1D156F

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

Preview Lab → · Contrast checker → · Palette generator →