#1A198F#1A198F

#1A198F is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.6% C 0.182 H 270.5°. Best body text is #FFFFFF at 13.29:1 contrast (WCAG AA passes).

Color values

HEX	#1A198F
RGB	rgb(26, 25, 143)
HSL	hsl(241, 70%, 33%)
HSV	hsv(241, 83%, 56%)
CMYK	cmyk(81.8%, 82.5%, 0%, 43.9%)
CIE-LAB	lab(19.63, 42.48, -63.03)
CIE-LCH	lch(19.63, 76.01, 303.98°)
OKLab	oklab(32.56% 0.0016 -0.1825)
OKLCH	oklch(32.56% 0.182 270.5)
XYZ	xyz(5.7299, 2.8974, 26.2385)
Luminance	0.0290 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A198F #8E8F19

analogous

#19538F #1A198F #55198F

triadic

#1A198F #8F1A19 #198F1A

tetradic

#1A198F #8F1953 #8E8F19 #198F55

square

#1A198F #8F1953 #8E8F19 #198F55

split-complementary

#1A198F #8F5519 #538F19

monochromatic

#070727 #11105B #1A198F #2322C3 #4544DE

Accessibility & contrast

On white

13.29

#1A198F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#1A198F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A198F

13.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A198F	#FFFFFF	#000000	##FFFFFF
##1A198F	1.00	13.29	1.58	13.29
#FFFFFF	13.29	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003592

Deuteranopia (green-blind)

#00298D

Tritanopia (blue-blind)

#003E55

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #1a198f;
/* rgb */ color: rgb(26, 25, 143);
/* oklch */ color: oklch(32.6% 0.182 270.5);

Tailwind

colors: {
  custom: {
    50: '#6f59b1',
    500: '#1a198f',
    950: '#000000',
  },
}

SCSS

$custom: #1a198f;
$custom-light: #6f59b1;
$custom-dark: #000000;

JSON

{
  "hex": "#1a198f",
  "rgb": {
    "r": 26,
    "g": 25,
    "b": 143
  },
  "hsl": {
    "h": 240.508,
    "s": 70.238,
    "l": 32.941
  },
  "oklch": {
    "l": 0.32561,
    "c": 0.18249,
    "h": 270.5
  },
  "luminance": 0.02898
}

Semantic roles & 50–950 ramp

primary

#1A198F

secondary

#BEBF44

accent

#ED3BEC

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #1A198F

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

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