#1D136A#1D136A

#1D136A is a dark, vivid blue. Relative luminance 0.018; OKLCH L 27.5% C 0.141 H 276.9°. Best body text is #FFFFFF at 15.51:1 contrast (WCAG AA passes).

Color values

HEX	#1D136A
RGB	rgb(29, 19, 106)
HSL	hsl(247, 70%, 25%)
HSV	hsv(247, 82%, 42%)
CMYK	cmyk(72.6%, 82.1%, 0%, 58.4%)
CIE-LAB	lab(14.22, 33.54, -48.36)
CIE-LCH	lch(14.22, 58.85, 304.74°)
OKLab	oklab(27.53% 0.017 -0.1398)
OKLCH	oklch(27.53% 0.141 276.9)
XYZ	xyz(3.3402, 1.7673, 13.7980)
Luminance	0.0177 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D136A #606A13

analogous

#13346A #1D136A #49136A

triadic

#1D136A #6A1D13 #136A1D

tetradic

#1D136A #6A1334 #606A13 #136A49

square

#1D136A #6A1334 #606A13 #136A49

split-complementary

#1D136A #6A4913 #346A13

monochromatic

#07051A #0F0A36 #1D136A #2B1C9E #3926D2

Accessibility & contrast

On white

15.51

#1D136A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#1D136A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D136A

15.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D136A	#FFFFFF	#000000	##FFFFFF
##1D136A	1.00	15.51	1.35	15.51
#FFFFFF	15.51	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00286C

Deuteranopia (green-blind)

#002068

Tritanopia (blue-blind)

#002D3E

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #1d136a;
/* rgb */ color: rgb(29, 19, 106);
/* oklch */ color: oklch(27.5% 0.141 276.9);

Tailwind

colors: {
  custom: {
    50: '#665396',
    500: '#1d136a',
    950: '#000000',
  },
}

SCSS

$custom: #1d136a;
$custom-light: #665396;
$custom-dark: #000000;

JSON

{
  "hex": "#1d136a",
  "rgb": {
    "r": 29,
    "g": 19,
    "b": 106
  },
  "hsl": {
    "h": 246.897,
    "s": 69.6,
    "l": 24.51
  },
  "oklch": {
    "l": 0.27525,
    "c": 0.14079,
    "h": 276.9
  },
  "luminance": 0.01768
}

Semantic roles & 50–950 ramp

primary

#1D136A

secondary

#95A138

accent

#EC3BD8

background

#F6F4F9

surface

#EBE7F2

border

#C6C3CC

text

#07020D

muted

#7A787E

Preview Lab

Preview with #1D136A

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

Preview Lab → · Contrast checker → · Palette generator →