#1A3D7D#1A3D7D

#1A3D7D is a dark, moderate blue. Relative luminance 0.050; OKLCH L 37.3% C 0.116 H 261.2°. Best body text is #FFFFFF at 10.46:1 contrast (WCAG AA passes).

Color values

HEX	#1A3D7D
RGB	rgb(26, 61, 125)
HSL	hsl(219, 66%, 30%)
HSV	hsv(219, 79%, 49%)
CMYK	cmyk(79.2%, 51.2%, 0%, 51%)
CIE-LAB	lab(26.84, 12.14, -39.95)
CIE-LCH	lch(26.84, 41.75, 286.90°)
OKLab	oklab(37.33% -0.0177 -0.1148)
OKLCH	oklch(37.33% 0.116 261.2)
XYZ	xyz(5.7951, 5.0371, 20.0649)
Luminance	0.0504 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3D7D #7D5A1A

analogous

#1A6F7D #1A3D7D #291A7D

triadic

#1A3D7D #7D1A3D #3D7D1A

tetradic

#1A3D7D #7D1A6F #7D5A1A #1A7D29

square

#1A3D7D #7D1A6F #7D5A1A #1A7D29

split-complementary

#1A3D7D #7D291A #6F7D1A

monochromatic

#050C19 #0F244A #1A3D7D #2556B0 #3B72D6

Accessibility & contrast

On white

10.46

#1A3D7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#1A3D7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3D7D

10.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3D7D	#FFFFFF	#000000	##FFFFFF
##1A3D7D	1.00	10.46	2.01	10.46
#FFFFFF	10.46	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#17447F

Deuteranopia (green-blind)

#003B7C

Tritanopia (blue-blind)

#004C57

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #1a3d7d;
/* rgb */ color: rgb(26, 61, 125);
/* oklch */ color: oklch(37.3% 0.116 261.2);

Tailwind

colors: {
  custom: {
    50: '#6771a3',
    500: '#1a3d7d',
    950: '#000000',
  },
}

SCSS

$custom: #1a3d7d;
$custom-light: #6771a3;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3d7d",
  "rgb": {
    "r": 26,
    "g": 61,
    "b": 125
  },
  "hsl": {
    "h": 218.788,
    "s": 65.563,
    "l": 29.608
  },
  "oklch": {
    "l": 0.37333,
    "c": 0.11621,
    "h": 261.2
  },
  "luminance": 0.05038
}

Semantic roles & 50–950 ramp

primary

#1A3D7D

secondary

#B18A42

accent

#AD3FE9

background

#F6F6FA

surface

#EBECF4

border

#C6C7CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #1A3D7D

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

Preview Lab → · Contrast checker → · Palette generator →