#1A3C7F#1A3C7F

#1A3C7F is a dark, vivid blue. Relative luminance 0.050; OKLCH L 37.3% C 0.120 H 262.1°. Best body text is #FFFFFF at 10.52:1 contrast (WCAG AA passes).

Color values

HEX	#1A3C7F
RGB	rgb(26, 60, 127)
HSL	hsl(220, 66%, 30%)
HSV	hsv(220, 80%, 50%)
CMYK	cmyk(79.5%, 52.8%, 0%, 50.2%)
CIE-LAB	lab(26.69, 13.66, -41.45)
CIE-LCH	lch(26.69, 43.65, 288.24°)
OKLab	oklab(37.26% -0.0166 -0.1193)
OKLCH	oklch(37.26% 0.12 262.1)
XYZ	xyz(5.8712, 4.9830, 20.7269)
Luminance	0.0498 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3C7F #7F5D1A

analogous

#1A6E7F #1A3C7F #2B1A7F

triadic

#1A3C7F #7F1A3C #3C7F1A

tetradic

#1A3C7F #7F1A6E #7F5D1A #1A7F2B

square

#1A3C7F #7F1A6E #7F5D1A #1A7F2B

split-complementary

#1A3C7F #7F2B1A #6E7F1A

monochromatic

#050C19 #10244C #1A3C7F #2454B2 #3C70D7

Accessibility & contrast

On white

10.52

#1A3C7F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#1A3C7F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3C7F

10.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3C7F	#FFFFFF	#000000	##FFFFFF
##1A3C7F	1.00	10.52	2.00	10.52
#FFFFFF	10.52	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#114481

Deuteranopia (green-blind)

#003B7E

Tritanopia (blue-blind)

#004C57

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #1a3c7f;
/* rgb */ color: rgb(26, 60, 127);
/* oklch */ color: oklch(37.3% 0.120 262.1);

Tailwind

colors: {
  custom: {
    50: '#6771a5',
    500: '#1a3c7f',
    950: '#000000',
  },
}

SCSS

$custom: #1a3c7f;
$custom-light: #6771a5;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3c7f",
  "rgb": {
    "r": 26,
    "g": 60,
    "b": 127
  },
  "hsl": {
    "h": 219.802,
    "s": 66.013,
    "l": 30
  },
  "oklch": {
    "l": 0.37263,
    "c": 0.12044,
    "h": 262.1
  },
  "luminance": 0.04984
}

Semantic roles & 50–950 ramp

primary

#1A3C7F

secondary

#B38D42

accent

#B03FE9

background

#F6F6FA

surface

#EBECF4

border

#C6C7CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #1A3C7F

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

Preview Lab → · Contrast checker → · Palette generator →