#1A187E#1A187E

#1A187E is a dark, vivid blue. Relative luminance 0.024; OKLCH L 30.4% C 0.162 H 272.0°. Best body text is #FFFFFF at 14.23:1 contrast (WCAG AA passes).

Color values

HEX	#1A187E
RGB	rgb(26, 24, 126)
HSL	hsl(241, 68%, 29%)
HSV	hsv(241, 81%, 49%)
CMYK	cmyk(79.4%, 81%, 0%, 50.6%)
CIE-LAB	lab(17.36, 37.32, -56.09)
CIE-LCH	lch(17.36, 67.37, 303.64°)
OKLab	oklab(30.37% 0.0057 -0.1623)
OKLCH	oklch(30.37% 0.162 272)
XYZ	xyz(4.5173, 2.3787, 19.9557)
Luminance	0.0238 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A187E #7C7E18

analogous

#18497E #1A187E #4D187E

triadic

#1A187E #7E1A18 #187E1A

tetradic

#1A187E #7E1849 #7C7E18 #187E4D

square

#1A187E #7E1849 #7C7E18 #187E4D

split-complementary

#1A187E #7E4D18 #497E18

monochromatic

#05051A #0F0E4B #1A187E #2522B1 #3B37D9

Accessibility & contrast

On white

14.23

#1A187E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#1A187E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A187E

14.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A187E	#FFFFFF	#000000	##FFFFFF
##1A187E	1.00	14.23	1.48	14.23
#FFFFFF	14.23	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003081

Deuteranopia (green-blind)

#00257C

Tritanopia (blue-blind)

#00374B

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #1a187e;
/* rgb */ color: rgb(26, 24, 126);
/* oklch */ color: oklch(30.4% 0.162 272.0);

Tailwind

colors: {
  custom: {
    50: '#6a57a5',
    500: '#1a187e',
    950: '#000000',
  },
}

SCSS

$custom: #1a187e;
$custom-light: #6a57a5;
$custom-dark: #000000;

JSON

{
  "hex": "#1a187e",
  "rgb": {
    "r": 26,
    "g": 24,
    "b": 126
  },
  "hsl": {
    "h": 241.176,
    "s": 68,
    "l": 29.412
  },
  "oklch": {
    "l": 0.30374,
    "c": 0.16244,
    "h": 272
  },
  "luminance": 0.02379
}

Semantic roles & 50–950 ramp

primary

#1A187E

secondary

#B0B23F

accent

#EB3DE7

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#08030F

muted

#7A787F

Preview Lab

Preview with #1A187E

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

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