#1D158F#1D158F

#1D158F is a dark, vivid blue. Relative luminance 0.028; OKLCH L 32.3% C 0.185 H 271.9°. Best body text is #FFFFFF at 13.49:1 contrast (WCAG AA passes).

Color values

HEX	#1D158F
RGB	rgb(29, 21, 143)
HSL	hsl(244, 74%, 32%)
HSV	hsv(244, 85%, 56%)
CMYK	cmyk(79.7%, 85.3%, 0%, 43.9%)
CIE-LAB	lab(19.14, 44.60, -63.83)
CIE-LCH	lch(19.14, 77.87, 304.94°)
OKLab	oklab(32.27% 0.0061 -0.1847)
OKLCH	oklch(32.27% 0.185 271.9)
XYZ	xyz(5.7311, 2.7801, 26.2158)
Luminance	0.0278 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D158F #878F15

analogous

#154A8F #1D158F #5A158F

triadic

#1D158F #8F1D15 #158F1D

tetradic

#1D158F #8F154A #878F15 #158F5A

square

#1D158F #8F154A #878F15 #158F5A

split-complementary

#1D158F #8F5A15 #4A8F15

monochromatic

#070524 #120D5A #1D158F #281DC4 #473CE2

Accessibility & contrast

On white

13.49

#1D158F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#1D158F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D158F

13.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D158F	#FFFFFF	#000000	##FFFFFF
##1D158F	1.00	13.49	1.56	13.49
#FFFFFF	13.49	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003492

Deuteranopia (green-blind)

#00288D

Tritanopia (blue-blind)

#003D54

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #1d158f;
/* rgb */ color: rgb(29, 21, 143);
/* oklch */ color: oklch(32.3% 0.185 271.9);

Tailwind

colors: {
  custom: {
    50: '#7057b1',
    500: '#1d158f',
    950: '#000000',
  },
}

SCSS

$custom: #1d158f;
$custom-light: #7057b1;
$custom-dark: #000000;

JSON

{
  "hex": "#1d158f",
  "rgb": {
    "r": 29,
    "g": 21,
    "b": 143
  },
  "hsl": {
    "h": 243.934,
    "s": 74.39,
    "l": 32.157
  },
  "oklch": {
    "l": 0.3227,
    "c": 0.18478,
    "h": 271.9
  },
  "luminance": 0.02781
}

Semantic roles & 50–950 ramp

primary

#1D158F

secondary

#B9C23E

accent

#F137E5

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090311

muted

#7B7880

Preview Lab

Preview with #1D158F

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

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