#1D138F#1D138F

#1D138F is a dark, vivid blue. Relative luminance 0.027; OKLCH L 32.1% C 0.186 H 272.0°. Best body text is #FFFFFF at 13.62:1 contrast (WCAG AA passes).

Color values

HEX	#1D138F
RGB	rgb(29, 19, 143)
HSL	hsl(245, 77%, 32%)
HSV	hsv(245, 87%, 56%)
CMYK	cmyk(79.7%, 86.7%, 0%, 43.9%)
CIE-LAB	lab(18.84, 45.49, -64.33)
CIE-LCH	lch(18.84, 78.79, 305.26°)
OKLab	oklab(32.06% 0.0066 -0.1861)
OKLCH	oklch(32.06% 0.186 272)
XYZ	xyz(5.6958, 2.7095, 26.2041)
Luminance	0.0271 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D138F #858F13

analogous

#13478F #1D138F #5B138F

triadic

#1D138F #8F1D13 #138F1D

tetradic

#1D138F #8F1347 #858F13 #138F5B

square

#1D138F #8F1347 #858F13 #138F5B

split-complementary

#1D138F #8F5B13 #478F13

monochromatic

#070523 #120C59 #1D138F #281AC5 #4638E5

Accessibility & contrast

On white

13.62

#1D138F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#1D138F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D138F

13.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D138F	#FFFFFF	#000000	##FFFFFF
##1D138F	1.00	13.62	1.54	13.62
#FFFFFF	13.62	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003492

Deuteranopia (green-blind)

#00288D

Tritanopia (blue-blind)

#003C54

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #1d138f;
/* rgb */ color: rgb(29, 19, 143);
/* oklch */ color: oklch(32.1% 0.186 272.0);

Tailwind

colors: {
  custom: {
    50: '#7056b1',
    500: '#1d138f',
    950: '#000000',
  },
}

SCSS

$custom: #1d138f;
$custom-light: #7056b1;
$custom-dark: #000000;

JSON

{
  "hex": "#1d138f",
  "rgb": {
    "r": 29,
    "g": 19,
    "b": 143
  },
  "hsl": {
    "h": 244.839,
    "s": 76.543,
    "l": 31.765
  },
  "oklch": {
    "l": 0.32064,
    "c": 0.1862,
    "h": 272
  },
  "luminance": 0.0271
}

Semantic roles & 50–950 ramp

primary

#1D138F

secondary

#B8C33B

accent

#F335E4

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090311

muted

#7B7880

Preview Lab

Preview with #1D138F

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

Preview Lab → · Contrast checker → · Palette generator →