#1A198D#1A198D

#1A198D is a dark, vivid blue. Relative luminance 0.028; OKLCH L 32.3% C 0.180 H 270.6°. Best body text is #FFFFFF at 13.40:1 contrast (WCAG AA passes).

Color values

HEX	#1A198D
RGB	rgb(26, 25, 141)
HSL	hsl(241, 70%, 33%)
HSV	hsv(241, 82%, 55%)
CMYK	cmyk(81.6%, 82.3%, 0%, 44.7%)
CIE-LAB	lab(19.38, 41.82, -62.19)
CIE-LCH	lch(19.38, 74.95, 303.92°)
OKLab	oklab(32.32% 0.002 -0.1801)
OKLCH	oklch(32.32% 0.18 270.6)
XYZ	xyz(5.5797, 2.8373, 25.4477)
Luminance	0.0284 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A198D #8C8D19

analogous

#19528D #1A198D #54198D

triadic

#1A198D #8D1A19 #198D1A

tetradic

#1A198D #8D1952 #8C8D19 #198D54

square

#1A198D #8D1952 #8C8D19 #198D54

split-complementary

#1A198D #8D5419 #528D19

monochromatic

#070725 #101059 #1A198D #2422C1 #4443DE

Accessibility & contrast

On white

13.40

#1A198D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#1A198D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A198D

13.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A198D	#FFFFFF	#000000	##FFFFFF
##1A198D	1.00	13.40	1.57	13.40
#FFFFFF	13.40	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003590

Deuteranopia (green-blind)

#00298B

Tritanopia (blue-blind)

#003E54

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #1a198d;
/* rgb */ color: rgb(26, 25, 141);
/* oklch */ color: oklch(32.3% 0.180 270.6);

Tailwind

colors: {
  custom: {
    50: '#6e59b0',
    500: '#1a198d',
    950: '#000000',
  },
}

SCSS

$custom: #1a198d;
$custom-light: #6e59b0;
$custom-dark: #000000;

JSON

{
  "hex": "#1a198d",
  "rgb": {
    "r": 26,
    "g": 25,
    "b": 141
  },
  "hsl": {
    "h": 240.517,
    "s": 69.88,
    "l": 32.549
  },
  "oklch": {
    "l": 0.32317,
    "c": 0.18007,
    "h": 270.6
  },
  "luminance": 0.02838
}

Semantic roles & 50–950 ramp

primary

#1A198D

secondary

#BEBF43

accent

#ED3BEB

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #1A198D

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

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