#1A4178#1A4178

#1A4178 is a dark, moderate blue. Relative luminance 0.054; OKLCH L 37.9% C 0.104 H 257.6°. Best body text is #FFFFFF at 10.14:1 contrast (WCAG AA passes).

Color values

HEX	#1A4178
RGB	rgb(26, 65, 120)
HSL	hsl(215, 64%, 29%)
HSV	hsv(215, 78%, 47%)
CMYK	cmyk(78.3%, 45.8%, 0%, 52.9%)
CIE-LAB	lab(27.72, 7.30, -35.38)
CIE-LCH	lch(27.72, 36.13, 281.66°)
OKLab	oklab(37.9% -0.0222 -0.1013)
OKLCH	oklch(37.9% 0.104 257.6)
XYZ	xyz(5.7052, 5.3556, 18.4987)
Luminance	0.0536 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A4178 #78511A

analogous

#1A7078 #1A4178 #221A78

triadic

#1A4178 #781A41 #41781A

tetradic

#1A4178 #781A70 #78511A #1A7822

square

#1A4178 #781A70 #78511A #1A7822

split-complementary

#1A4178 #78221A #70781A

monochromatic

#050E19 #0F2646 #1A4178 #255CAA #3879D4

Accessibility & contrast

On white

10.14

#1A4178 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#1A4178 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A4178

10.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A4178	#FFFFFF	#000000	##FFFFFF
##1A4178	1.00	10.14	2.07	10.14
#FFFFFF	10.14	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#25467A

Deuteranopia (green-blind)

#133D77

Tritanopia (blue-blind)

#004E56

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #1a4178;
/* rgb */ color: rgb(26, 65, 120);
/* oklch */ color: oklch(37.9% 0.104 257.6);

Tailwind

colors: {
  custom: {
    50: '#65759f',
    500: '#1a4178',
    950: '#000000',
  },
}

SCSS

$custom: #1a4178;
$custom-light: #65759f;
$custom-dark: #000000;

JSON

{
  "hex": "#1a4178",
  "rgb": {
    "r": 26,
    "g": 65,
    "b": 120
  },
  "hsl": {
    "h": 215.106,
    "s": 64.384,
    "l": 28.627
  },
  "oklch": {
    "l": 0.37903,
    "c": 0.10374,
    "h": 257.6
  },
  "luminance": 0.05356
}

Semantic roles & 50–950 ramp

primary

#1A4178

secondary

#AC8041

accent

#A240E7

background

#F6F7F9

surface

#EBEDF2

border

#C6C8CC

text

#06080E

muted

#7A7B7E

Preview Lab

Preview with #1A4178

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

Preview Lab → · Contrast checker → · Palette generator →