#1A187A#1A187A

#1A187A is a dark, vivid blue. Relative luminance 0.023; OKLCH L 29.9% C 0.157 H 272.4°. Best body text is #FFFFFF at 14.43:1 contrast (WCAG AA passes).

Color values

HEX	#1A187A
RGB	rgb(26, 24, 122)
HSL	hsl(241, 67%, 29%)
HSV	hsv(241, 80%, 48%)
CMYK	cmyk(78.7%, 80.3%, 0%, 52.2%)
CIE-LAB	lab(16.88, 35.94, -54.33)
CIE-LCH	lch(16.88, 65.14, 303.48°)
OKLab	oklab(29.9% 0.0066 -0.1572)
OKLCH	oklch(29.9% 0.157 272.4)
XYZ	xyz(4.2643, 2.2776, 18.6235)
Luminance	0.0228 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A187A #787A18

analogous

#18477A #1A187A #4B187A

triadic

#1A187A #7A1A18 #187A1A

tetradic

#1A187A #7A1847 #787A18 #187A4B

square

#1A187A #7A1847 #787A18 #187A4B

split-complementary

#1A187A #7A4B18 #477A18

monochromatic

#05051A #0F0E47 #1A187A #2522AD #3835D7

Accessibility & contrast

On white

14.43

#1A187A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#1A187A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A187A

14.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A187A	#FFFFFF	#000000	##FFFFFF
##1A187A	1.00	14.43	1.46	14.43
#FFFFFF	14.43	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E7D

Deuteranopia (green-blind)

#002578

Tritanopia (blue-blind)

#003648

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #1a187a;
/* rgb */ color: rgb(26, 24, 122);
/* oklch */ color: oklch(29.9% 0.157 272.4);

Tailwind

colors: {
  custom: {
    50: '#6957a2',
    500: '#1a187a',
    950: '#000000',
  },
}

SCSS

$custom: #1a187a;
$custom-light: #6957a2;
$custom-dark: #000000;

JSON

{
  "hex": "#1a187a",
  "rgb": {
    "r": 26,
    "g": 24,
    "b": 122
  },
  "hsl": {
    "h": 241.224,
    "s": 67.123,
    "l": 28.627
  },
  "oklch": {
    "l": 0.29897,
    "c": 0.15738,
    "h": 272.4
  },
  "luminance": 0.02278
}

Semantic roles & 50–950 ramp

primary

#1A187A

secondary

#ACAF3F

accent

#EA3EE7

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07030F

muted

#7A787F

Preview Lab

Preview with #1A187A

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

Preview Lab → · Contrast checker → · Palette generator →