#1A197E#1A197E

#1A197E is a dark, vivid blue. Relative luminance 0.024; OKLCH L 30.5% C 0.162 H 271.9°. Best body text is #FFFFFF at 14.15:1 contrast (WCAG AA passes).

Color values

HEX	#1A197E
RGB	rgb(26, 25, 126)
HSL	hsl(241, 67%, 30%)
HSV	hsv(241, 80%, 49%)
CMYK	cmyk(79.4%, 80.2%, 0%, 50.6%)
CIE-LAB	lab(17.56, 36.76, -55.76)
CIE-LCH	lch(17.56, 66.79, 303.39°)
OKLab	oklab(30.51% 0.0053 -0.1614)
OKLCH	oklch(30.51% 0.162 271.9)
XYZ	xyz(4.5383, 2.4207, 19.9627)
Luminance	0.0242 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A197E #7D7E19

analogous

#194B7E #1A197E #4D197E

triadic

#1A197E #7E1A19 #197E1A

tetradic

#1A197E #7E194B #7D7E19 #197E4D

square

#1A197E #7E194B #7D7E19 #197E4D

split-complementary

#1A197E #7E4D19 #4B7E19

monochromatic

#05051A #0F0F4B #1A197E #2523B1 #3B3AD8

Accessibility & contrast

On white

14.15

#1A197E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#1A197E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A197E

14.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A197E	#FFFFFF	#000000	##FFFFFF
##1A197E	1.00	14.15	1.48	14.15
#FFFFFF	14.15	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003081

Deuteranopia (green-blind)

#00267C

Tritanopia (blue-blind)

#00384B

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #1a197e;
/* rgb */ color: rgb(26, 25, 126);
/* oklch */ color: oklch(30.5% 0.162 271.9);

Tailwind

colors: {
  custom: {
    50: '#6a58a5',
    500: '#1a197e',
    950: '#000000',
  },
}

SCSS

$custom: #1a197e;
$custom-light: #6a58a5;
$custom-dark: #000000;

JSON

{
  "hex": "#1a197e",
  "rgb": {
    "r": 26,
    "g": 25,
    "b": 126
  },
  "hsl": {
    "h": 240.594,
    "s": 66.887,
    "l": 29.608
  },
  "oklch": {
    "l": 0.30511,
    "c": 0.16151,
    "h": 271.9
  },
  "luminance": 0.02421
}

Semantic roles & 50–950 ramp

primary

#1A197E

secondary

#B1B241

accent

#EA3EE8

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#08030F

muted

#7A787F

Preview Lab

Preview with #1A197E

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

Preview Lab → · Contrast checker → · Palette generator →