#1A197F#1A197F

#1A197F is a dark, vivid blue. Relative luminance 0.024; OKLCH L 30.6% C 0.163 H 271.8°. Best body text is #FFFFFF at 14.10:1 contrast (WCAG AA passes).

Color values

HEX	#1A197F
RGB	rgb(26, 25, 127)
HSL	hsl(241, 67%, 30%)
HSV	hsv(241, 80%, 50%)
CMYK	cmyk(79.5%, 80.3%, 0%, 50.2%)
CIE-LAB	lab(17.68, 37.10, -56.20)
CIE-LCH	lch(17.68, 67.34, 303.43°)
OKLab	oklab(30.63% 0.0051 -0.1627)
OKLCH	oklch(30.63% 0.163 271.8)
XYZ	xyz(4.6031, 2.4467, 20.3042)
Luminance	0.0245 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A197F #7E7F19

analogous

#194B7F #1A197F #4D197F

triadic

#1A197F #7F1A19 #197F1A

tetradic

#1A197F #7F194B #7E7F19 #197F4D

square

#1A197F #7F194B #7E7F19 #197F4D

split-complementary

#1A197F #7F4D19 #4B7F19

monochromatic

#05051A #100F4C #1A197F #2423B2 #3C3AD8

Accessibility & contrast

On white

14.10

#1A197F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#1A197F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A197F

14.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A197F	#FFFFFF	#000000	##FFFFFF
##1A197F	1.00	14.10	1.49	14.10
#FFFFFF	14.10	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003082

Deuteranopia (green-blind)

#00267D

Tritanopia (blue-blind)

#00384B

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #1a197f;
/* rgb */ color: rgb(26, 25, 127);
/* oklch */ color: oklch(30.6% 0.163 271.8);

Tailwind

colors: {
  custom: {
    50: '#6a58a5',
    500: '#1a197f',
    950: '#000000',
  },
}

SCSS

$custom: #1a197f;
$custom-light: #6a58a5;
$custom-dark: #000000;

JSON

{
  "hex": "#1a197f",
  "rgb": {
    "r": 26,
    "g": 25,
    "b": 127
  },
  "hsl": {
    "h": 240.588,
    "s": 67.105,
    "l": 29.804
  },
  "oklch": {
    "l": 0.3063,
    "c": 0.16277,
    "h": 271.8
  },
  "luminance": 0.02447
}

Semantic roles & 50–950 ramp

primary

#1A197F

secondary

#B2B341

accent

#EA3EE8

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#08030F

muted

#7A787F

Preview Lab

Preview with #1A197F

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

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