#1A197B#1A197B

#1A197B is a dark, vivid blue. Relative luminance 0.023; OKLCH L 30.2% C 0.158 H 272.2°. Best body text is #FFFFFF at 14.30:1 contrast (WCAG AA passes).

Color values

HEX	#1A197B
RGB	rgb(26, 25, 123)
HSL	hsl(241, 66%, 29%)
HSV	hsv(241, 80%, 48%)
CMYK	cmyk(78.9%, 79.7%, 0%, 51.8%)
CIE-LAB	lab(17.20, 35.71, -54.44)
CIE-LCH	lch(17.20, 65.11, 303.26°)
OKLab	oklab(30.16% 0.0059 -0.1576)
OKLCH	oklch(30.16% 0.158 272.2)
XYZ	xyz(4.3476, 2.3445, 18.9584)
Luminance	0.0234 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A197B #7A7B19

analogous

#19497B #1A197B #4B197B

triadic

#1A197B #7B1A19 #197B1A

tetradic

#1A197B #7B1949 #7A7B19 #197B4B

square

#1A197B #7B1949 #7A7B19 #197B4B

split-complementary

#1A197B #7B4B19 #497B19

monochromatic

#050519 #0F0F48 #1A197B #2523AE #3938D7

Accessibility & contrast

On white

14.30

#1A197B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#1A197B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A197B

14.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A197B	#FFFFFF	#000000	##FFFFFF
##1A197B	1.00	14.30	1.47	14.30
#FFFFFF	14.30	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F7E

Deuteranopia (green-blind)

#002579

Tritanopia (blue-blind)

#003649

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #1a197b;
/* rgb */ color: rgb(26, 25, 123);
/* oklch */ color: oklch(30.2% 0.158 272.2);

Tailwind

colors: {
  custom: {
    50: '#6957a2',
    500: '#1a197b',
    950: '#000000',
  },
}

SCSS

$custom: #1a197b;
$custom-light: #6957a2;
$custom-dark: #000000;

JSON

{
  "hex": "#1a197b",
  "rgb": {
    "r": 26,
    "g": 25,
    "b": 123
  },
  "hsl": {
    "h": 240.612,
    "s": 66.216,
    "l": 29.02
  },
  "oklch": {
    "l": 0.30156,
    "c": 0.15769,
    "h": 272.2
  },
  "luminance": 0.02345
}

Semantic roles & 50–950 ramp

primary

#1A197B

secondary

#AEAF40

accent

#E93FE7

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07030F

muted

#7A787F

Preview Lab

Preview with #1A197B

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

Preview Lab → · Contrast checker → · Palette generator →