#1A3A7A#1A3A7A

#1A3A7A is a dark, moderate blue. Relative luminance 0.047; OKLCH L 36.4% C 0.116 H 262.3°. Best body text is #FFFFFF at 10.88:1 contrast (WCAG AA passes).

Color values

HEX	#1A3A7A
RGB	rgb(26, 58, 122)
HSL	hsl(220, 65%, 29%)
HSV	hsv(220, 79%, 48%)
CMYK	cmyk(78.7%, 52.5%, 0%, 52.2%)
CIE-LAB	lab(25.71, 13.01, -39.88)
CIE-LCH	lch(25.71, 41.95, 288.07°)
OKLab	oklab(36.4% -0.0155 -0.1147)
OKLCH	oklch(36.4% 0.116 262.3)
XYZ	xyz(5.4507, 4.6503, 19.0189)
Luminance	0.0465 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3A7A #7A5A1A

analogous

#1A6A7A #1A3A7A #2A1A7A

triadic

#1A3A7A #7A1A3A #3A7A1A

tetradic

#1A3A7A #7A1A6A #7A5A1A #1A7A2A

square

#1A3A7A #7A1A6A #7A5A1A #1A7A2A

split-complementary

#1A3A7A #7A2A1A #6A7A1A

monochromatic

#050C19 #0F2248 #1A3A7A #2552AC #396DD5

Accessibility & contrast

On white

10.88

#1A3A7A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#1A3A7A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3A7A

10.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3A7A	#FFFFFF	#000000	##FFFFFF
##1A3A7A	1.00	10.88	1.93	10.88
#FFFFFF	10.88	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#12427C

Deuteranopia (green-blind)

#003979

Tritanopia (blue-blind)

#004954

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #1a3a7a;
/* rgb */ color: rgb(26, 58, 122);
/* oklch */ color: oklch(36.4% 0.116 262.3);

Tailwind

colors: {
  custom: {
    50: '#666fa1',
    500: '#1a3a7a',
    950: '#000000',
  },
}

SCSS

$custom: #1a3a7a;
$custom-light: #666fa1;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3a7a",
  "rgb": {
    "r": 26,
    "g": 58,
    "b": 122
  },
  "hsl": {
    "h": 220,
    "s": 64.865,
    "l": 29.02
  },
  "oklch": {
    "l": 0.36403,
    "c": 0.11575,
    "h": 262.3
  },
  "luminance": 0.04651
}

Semantic roles & 50–950 ramp

primary

#1A3A7A

secondary

#AE8A41

accent

#B040E8

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07070F

muted

#7A7A7E

Preview Lab

Preview with #1A3A7A

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

Preview Lab → · Contrast checker → · Palette generator →