#1A198E#1A198E

#1A198E is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.4% C 0.181 H 270.6°. Best body text is #FFFFFF at 13.35:1 contrast (WCAG AA passes).

Color values

HEX	#1A198E
RGB	rgb(26, 25, 142)
HSL	hsl(241, 70%, 33%)
HSV	hsv(241, 82%, 56%)
CMYK	cmyk(81.7%, 82.4%, 0%, 44.3%)
CIE-LAB	lab(19.50, 42.15, -62.61)
CIE-LCH	lch(19.50, 75.48, 303.95°)
OKLab	oklab(32.44% 0.0018 -0.1813)
OKLCH	oklch(32.44% 0.181 270.6)
XYZ	xyz(5.6545, 2.8672, 25.8414)
Luminance	0.0287 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A198E #8D8E19

analogous

#19528E #1A198E #55198E

triadic

#1A198E #8E1A19 #198E1A

tetradic

#1A198E #8E1952 #8D8E19 #198E55

square

#1A198E #8E1952 #8D8E19 #198E55

split-complementary

#1A198E #8E5519 #528E19

monochromatic

#070726 #10105A #1A198E #2422C2 #4543DE

Accessibility & contrast

On white

13.35

#1A198E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#1A198E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A198E

13.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A198E	#FFFFFF	#000000	##FFFFFF
##1A198E	1.00	13.35	1.57	13.35
#FFFFFF	13.35	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003591

Deuteranopia (green-blind)

#00298C

Tritanopia (blue-blind)

#003E54

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #1a198e;
/* rgb */ color: rgb(26, 25, 142);
/* oklch */ color: oklch(32.4% 0.181 270.6);

Tailwind

colors: {
  custom: {
    50: '#6e59b0',
    500: '#1a198e',
    950: '#000000',
  },
}

SCSS

$custom: #1a198e;
$custom-light: #6e59b0;
$custom-dark: #000000;

JSON

{
  "hex": "#1a198e",
  "rgb": {
    "r": 26,
    "g": 25,
    "b": 142
  },
  "hsl": {
    "h": 240.513,
    "s": 70.06,
    "l": 32.745
  },
  "oklch": {
    "l": 0.32439,
    "c": 0.18128,
    "h": 270.6
  },
  "luminance": 0.02868
}

Semantic roles & 50–950 ramp

primary

#1A198E

secondary

#BEBF44

accent

#ED3BEB

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #1A198E

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

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