#1D138E#1D138E

#1D138E is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.9% C 0.185 H 272.1°. Best body text is #FFFFFF at 13.67:1 contrast (WCAG AA passes).

Color values

HEX	#1D138E
RGB	rgb(29, 19, 142)
HSL	hsl(245, 76%, 32%)
HSV	hsv(245, 87%, 56%)
CMYK	cmyk(79.6%, 86.6%, 0%, 44.3%)
CIE-LAB	lab(18.71, 45.18, -63.93)
CIE-LCH	lch(18.71, 78.28, 305.25°)
OKLab	oklab(31.94% 0.0069 -0.1849)
OKLCH	oklch(31.94% 0.185 272.1)
XYZ	xyz(5.6204, 2.6793, 25.8069)
Luminance	0.0268 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D138E #848E13

analogous

#13478E #1D138E #5B138E

triadic

#1D138E #8E1D13 #138E1D

tetradic

#1D138E #8E1347 #848E13 #138E5B

square

#1D138E #8E1347 #848E13 #138E5B

split-complementary

#1D138E #8E5B13 #478E13

monochromatic

#070522 #120C58 #1D138E #281AC4 #4537E4

Accessibility & contrast

On white

13.67

#1D138E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#1D138E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D138E

13.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D138E	#FFFFFF	#000000	##FFFFFF
##1D138E	1.00	13.67	1.54	13.67
#FFFFFF	13.67	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003391

Deuteranopia (green-blind)

#00278C

Tritanopia (blue-blind)

#003C53

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #1d138e;
/* rgb */ color: rgb(29, 19, 142);
/* oklch */ color: oklch(31.9% 0.185 272.1);

Tailwind

colors: {
  custom: {
    50: '#7056b0',
    500: '#1d138e',
    950: '#000000',
  },
}

SCSS

$custom: #1d138e;
$custom-light: #7056b0;
$custom-dark: #000000;

JSON

{
  "hex": "#1d138e",
  "rgb": {
    "r": 29,
    "g": 19,
    "b": 142
  },
  "hsl": {
    "h": 244.878,
    "s": 76.398,
    "l": 31.569
  },
  "oklch": {
    "l": 0.31938,
    "c": 0.18503,
    "h": 272.1
  },
  "luminance": 0.0268
}

Semantic roles & 50–950 ramp

primary

#1D138E

secondary

#B7C23B

accent

#F335E4

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090311

muted

#7B7880

Preview Lab

Preview with #1D138E

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

Preview Lab → · Contrast checker → · Palette generator →