#1A187F#1A187F

#1A187F is a dark, vivid blue. Relative luminance 0.024; OKLCH L 30.5% C 0.164 H 271.9°. Best body text is #FFFFFF at 14.18:1 contrast (WCAG AA passes).

Color values

HEX	#1A187F
RGB	rgb(26, 24, 127)
HSL	hsl(241, 68%, 30%)
HSV	hsv(241, 81%, 50%)
CMYK	cmyk(79.5%, 81.1%, 0%, 50.2%)
CIE-LAB	lab(17.48, 37.66, -56.52)
CIE-LCH	lch(17.48, 67.92, 303.67°)
OKLab	oklab(30.49% 0.0054 -0.1636)
OKLCH	oklch(30.49% 0.164 271.9)
XYZ	xyz(4.5821, 2.4047, 20.2972)
Luminance	0.0240 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A187F #7D7F18

analogous

#184A7F #1A187F #4E187F

triadic

#1A187F #7F1A18 #187F1A

tetradic

#1A187F #7F184A #7D7F18 #187F4E

square

#1A187F #7F184A #7D7F18 #187F4E

split-complementary

#1A187F #7F4E18 #4A7F18

monochromatic

#05051A #0F0E4C #1A187F #2522B2 #3B38D9

Accessibility & contrast

On white

14.18

#1A187F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#1A187F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A187F

14.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A187F	#FFFFFF	#000000	##FFFFFF
##1A187F	1.00	14.18	1.48	14.18
#FFFFFF	14.18	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003082

Deuteranopia (green-blind)

#00267D

Tritanopia (blue-blind)

#00384B

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #1a187f;
/* rgb */ color: rgb(26, 24, 127);
/* oklch */ color: oklch(30.5% 0.164 271.9);

Tailwind

colors: {
  custom: {
    50: '#6a57a5',
    500: '#1a187f',
    950: '#000000',
  },
}

SCSS

$custom: #1a187f;
$custom-light: #6a57a5;
$custom-dark: #000000;

JSON

{
  "hex": "#1a187f",
  "rgb": {
    "r": 26,
    "g": 24,
    "b": 127
  },
  "hsl": {
    "h": 241.165,
    "s": 68.212,
    "l": 29.608
  },
  "oklch": {
    "l": 0.30494,
    "c": 0.1637,
    "h": 271.9
  },
  "luminance": 0.02405
}

Semantic roles & 50–950 ramp

primary

#1A187F

secondary

#B1B33F

accent

#EB3DE8

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#08030F

muted

#7A787F

Preview Lab

Preview with #1A187F

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

Preview Lab → · Contrast checker → · Palette generator →