#1A187D#1A187D

#1A187D is a dark, vivid blue. Relative luminance 0.024; OKLCH L 30.3% C 0.161 H 272.1°. Best body text is #FFFFFF at 14.28:1 contrast (WCAG AA passes).

Color values

HEX	#1A187D
RGB	rgb(26, 24, 125)
HSL	hsl(241, 68%, 29%)
HSV	hsv(241, 81%, 49%)
CMYK	cmyk(79.2%, 80.8%, 0%, 51%)
CIE-LAB	lab(17.24, 36.97, -55.65)
CIE-LCH	lch(17.24, 66.81, 303.60°)
OKLab	oklab(30.25% 0.0059 -0.1611)
OKLCH	oklch(30.25% 0.161 272.1)
XYZ	xyz(4.4531, 2.3531, 19.6176)
Luminance	0.0235 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A187D #7B7D18

analogous

#18497D #1A187D #4D187D

triadic

#1A187D #7D1A18 #187D1A

tetradic

#1A187D #7D1849 #7B7D18 #187D4D

square

#1A187D #7D1849 #7B7D18 #187D4D

split-complementary

#1A187D #7D4D18 #497D18

monochromatic

#05051A #0F0E4A #1A187D #2522B0 #3A37D9

Accessibility & contrast

On white

14.28

#1A187D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#1A187D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A187D

14.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A187D	#FFFFFF	#000000	##FFFFFF
##1A187D	1.00	14.28	1.47	14.28
#FFFFFF	14.28	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F80

Deuteranopia (green-blind)

#00257B

Tritanopia (blue-blind)

#00374A

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #1a187d;
/* rgb */ color: rgb(26, 24, 125);
/* oklch */ color: oklch(30.3% 0.161 272.1);

Tailwind

colors: {
  custom: {
    50: '#6a57a4',
    500: '#1a187d',
    950: '#000000',
  },
}

SCSS

$custom: #1a187d;
$custom-light: #6a57a4;
$custom-dark: #000000;

JSON

{
  "hex": "#1a187d",
  "rgb": {
    "r": 26,
    "g": 24,
    "b": 125
  },
  "hsl": {
    "h": 241.188,
    "s": 67.785,
    "l": 29.216
  },
  "oklch": {
    "l": 0.30254,
    "c": 0.16118,
    "h": 272.1
  },
  "luminance": 0.02354
}

Semantic roles & 50–950 ramp

primary

#1A187D

secondary

#AFB23F

accent

#EB3DE7

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#08030F

muted

#7A787F

Preview Lab

Preview with #1A187D

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

Preview Lab → · Contrast checker → · Palette generator →