#1A478F#1A478F

#1A478F is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.0% C 0.129 H 259.6°. Best body text is #FFFFFF at 8.97:1 contrast (WCAG AA passes).

Color values

HEX	#1A478F
RGB	rgb(26, 71, 143)
HSL	hsl(217, 69%, 33%)
HSV	hsv(217, 82%, 56%)
CMYK	cmyk(81.8%, 50.3%, 0%, 43.9%)
CIE-LAB	lab(31.13, 12.58, -44.19)
CIE-LCH	lch(31.13, 45.95, 285.89°)
OKLab	oklab(41.04% -0.0233 -0.1271)
OKLCH	oklch(41.04% 0.129 259.6)
XYZ	xyz(7.6354, 6.7083, 26.8737)
Luminance	0.0671 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A478F #8F621A

analogous

#1A818F #1A478F #271A8F

triadic

#1A478F #8F1A47 #478F1A

tetradic

#1A478F #8F1A81 #8F621A #1A8F27

square

#1A478F #8F1A81 #8F621A #1A8F27

split-complementary

#1A478F #8F271A #818F1A

monochromatic

#071427 #112D5B #1A478F #2361C3 #4680DD

Accessibility & contrast

On white

8.97

#1A478F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#1A478F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A478F

8.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A478F	#FFFFFF	#000000	##FFFFFF
##1A478F	1.00	8.97	2.34	8.97
#FFFFFF	8.97	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C4F92

Deuteranopia (green-blind)

#00448E

Tritanopia (blue-blind)

#005864

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #1a478f;
/* rgb */ color: rgb(26, 71, 143);
/* oklch */ color: oklch(41.0% 0.129 259.6);

Tailwind

colors: {
  custom: {
    50: '#6b79b0',
    500: '#1a478f',
    950: '#000000',
  },
}

SCSS

$custom: #1a478f;
$custom-light: #6b79b0;
$custom-dark: #000000;

JSON

{
  "hex": "#1a478f",
  "rgb": {
    "r": 26,
    "g": 71,
    "b": 143
  },
  "hsl": {
    "h": 216.923,
    "s": 69.231,
    "l": 33.137
  },
  "oklch": {
    "l": 0.41035,
    "c": 0.12924,
    "h": 259.6
  },
  "luminance": 0.06709
}

Semantic roles & 50–950 ramp

primary

#1A478F

secondary

#BF9046

accent

#A83CEC

background

#F6F7FA

surface

#ECEDF5

border

#C7C8CF

text

#080910

muted

#7A7B7F

Preview Lab

Preview with #1A478F

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

Preview Lab → · Contrast checker → · Palette generator →