#1D136B#1D136B

#1D136B is a dark, vivid blue. Relative luminance 0.018; OKLCH L 27.6% C 0.142 H 276.8°. Best body text is #FFFFFF at 15.47:1 contrast (WCAG AA passes).

Color values

HEX	#1D136B
RGB	rgb(29, 19, 107)
HSL	hsl(247, 70%, 25%)
HSV	hsv(247, 82%, 42%)
CMYK	cmyk(72.9%, 82.2%, 0%, 58%)
CIE-LAB	lab(14.33, 33.88, -48.82)
CIE-LCH	lch(14.33, 59.42, 304.76°)
OKLab	oklab(27.64% 0.0168 -0.1411)
OKLCH	oklch(27.64% 0.142 276.8)
XYZ	xyz(3.3925, 1.7882, 14.0734)
Luminance	0.0179 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D136B #616B13

analogous

#13356B #1D136B #49136B

triadic

#1D136B #6B1D13 #136B1D

tetradic

#1D136B #6B1335 #616B13 #136B49

square

#1D136B #6B1335 #616B13 #136B49

split-complementary

#1D136B #6B4913 #356B13

monochromatic

#07051A #0F0A37 #1D136B #2B1C9F #3925D3

Accessibility & contrast

On white

15.47

#1D136B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#1D136B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D136B

15.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D136B	#FFFFFF	#000000	##FFFFFF
##1D136B	1.00	15.47	1.36	15.47
#FFFFFF	15.47	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00286D

Deuteranopia (green-blind)

#002069

Tritanopia (blue-blind)

#002E3F

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #1d136b;
/* rgb */ color: rgb(29, 19, 107);
/* oklch */ color: oklch(27.6% 0.142 276.8);

Tailwind

colors: {
  custom: {
    50: '#675396',
    500: '#1d136b',
    950: '#000000',
  },
}

SCSS

$custom: #1d136b;
$custom-light: #675396;
$custom-dark: #000000;

JSON

{
  "hex": "#1d136b",
  "rgb": {
    "r": 29,
    "g": 19,
    "b": 107
  },
  "hsl": {
    "h": 246.818,
    "s": 69.841,
    "l": 24.706
  },
  "oklch": {
    "l": 0.27643,
    "c": 0.14209,
    "h": 276.8
  },
  "luminance": 0.01788
}

Semantic roles & 50–950 ramp

primary

#1D136B

secondary

#96A238

accent

#ED3BD8

background

#F6F4F9

surface

#EBE7F2

border

#C6C3CC

text

#07020D

muted

#7A787E

Preview Lab

Preview with #1D136B

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

Preview Lab → · Contrast checker → · Palette generator →