#1A3E72#1A3E72

#1A3E72 is a dark, moderate blue. Relative luminance 0.049; OKLCH L 36.7% C 0.099 H 257.9°. Best body text is #FFFFFF at 10.63:1 contrast (WCAG AA passes).

Color values

HEX	#1A3E72
RGB	rgb(26, 62, 114)
HSL	hsl(215, 63%, 27%)
HSV	hsv(215, 77%, 45%)
CMYK	cmyk(77.2%, 45.6%, 0%, 55.3%)
CIE-LAB	lab(26.39, 6.92, -33.73)
CIE-LCH	lch(26.39, 34.43, 281.60°)
OKLab	oklab(36.74% -0.0206 -0.0965)
OKLCH	oklch(36.74% 0.099 257.9)
XYZ	xyz(5.1848, 4.8792, 16.5849)
Luminance	0.0488 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3E72 #724E1A

analogous

#1A6A72 #1A3E72 #221A72

triadic

#1A3E72 #721A3E #3E721A

tetradic

#1A3E72 #721A6A #724E1A #1A7222

square

#1A3E72 #721A6A #724E1A #1A7222

split-complementary

#1A3E72 #72221A #6A721A

monochromatic

#060E19 #0F2340 #1A3E72 #2559A4 #3575D1

Accessibility & contrast

On white

10.63

#1A3E72 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#1A3E72 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3E72

10.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3E72	#FFFFFF	#000000	##FFFFFF
##1A3E72	1.00	10.63	1.98	10.63
#FFFFFF	10.63	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#244374

Deuteranopia (green-blind)

#143B71

Tritanopia (blue-blind)

#004A52

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #1a3e72;
/* rgb */ color: rgb(26, 62, 114);
/* oklch */ color: oklch(36.7% 0.099 257.9);

Tailwind

colors: {
  custom: {
    50: '#64729b',
    500: '#1a3e72',
    950: '#000000',
  },
}

SCSS

$custom: #1a3e72;
$custom-light: #64729b;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3e72",
  "rgb": {
    "r": 26,
    "g": 62,
    "b": 114
  },
  "hsl": {
    "h": 215.455,
    "s": 62.857,
    "l": 27.451
  },
  "oklch": {
    "l": 0.36741,
    "c": 0.0987,
    "h": 257.9
  },
  "luminance": 0.0488
}

Semantic roles & 50–950 ramp

primary

#1A3E72

secondary

#A77D41

accent

#A342E6

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06080E

muted

#7A7B7E

Preview Lab

Preview with #1A3E72

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

Preview Lab → · Contrast checker → · Palette generator →