#1A198B#1A198B

#1A198B is a dark, vivid blue. Relative luminance 0.028; OKLCH L 32.1% C 0.178 H 270.8°. Best body text is #FFFFFF at 13.50:1 contrast (WCAG AA passes).

Color values

HEX	#1A198B
RGB	rgb(26, 25, 139)
HSL	hsl(241, 70%, 32%)
HSV	hsv(241, 82%, 55%)
CMYK	cmyk(81.3%, 82%, 0%, 45.5%)
CIE-LAB	lab(19.13, 41.16, -61.35)
CIE-LCH	lch(19.13, 73.88, 303.86°)
OKLab	oklab(32.07% 0.0025 -0.1776)
OKLCH	oklch(32.07% 0.178 270.8)
XYZ	xyz(5.4323, 2.7783, 24.6711)
Luminance	0.0278 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A198B #8A8B19

analogous

#19518B #1A198B #53198B

triadic

#1A198B #8B1A19 #198B1A

tetradic

#1A198B #8B1951 #8A8B19 #198B53

square

#1A198B #8B1951 #8A8B19 #198B53

split-complementary

#1A198B #8B5319 #518B19

monochromatic

#070623 #101057 #1A198B #2422BF #4341DD

Accessibility & contrast

On white

13.50

#1A198B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#1A198B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A198B

13.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A198B	#FFFFFF	#000000	##FFFFFF
##1A198B	1.00	13.50	1.56	13.50
#FFFFFF	13.50	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00348E

Deuteranopia (green-blind)

#002889

Tritanopia (blue-blind)

#003D52

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #1a198b;
/* rgb */ color: rgb(26, 25, 139);
/* oklch */ color: oklch(32.1% 0.178 270.8);

Tailwind

colors: {
  custom: {
    50: '#6e59ae',
    500: '#1a198b',
    950: '#000000',
  },
}

SCSS

$custom: #1a198b;
$custom-light: #6e59ae;
$custom-dark: #000000;

JSON

{
  "hex": "#1a198b",
  "rgb": {
    "r": 26,
    "g": 25,
    "b": 139
  },
  "hsl": {
    "h": 240.526,
    "s": 69.512,
    "l": 32.157
  },
  "oklch": {
    "l": 0.32073,
    "c": 0.17765,
    "h": 270.8
  },
  "luminance": 0.02779
}

Semantic roles & 50–950 ramp

primary

#1A198B

secondary

#BDBE42

accent

#EC3BEB

background

#F7F5FA

surface

#EDE9F5

border

#C8C5CF

text

#090310

muted

#7B787F

Preview Lab

Preview with #1A198B

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

Preview Lab → · Contrast checker → · Palette generator →