#1A3E7E#1A3E7E

#1A3E7E is a dark, moderate blue. Relative luminance 0.052; OKLCH L 37.6% C 0.116 H 260.9°. Best body text is #FFFFFF at 10.32:1 contrast (WCAG AA passes).

Color values

HEX	#1A3E7E
RGB	rgb(26, 62, 126)
HSL	hsl(218, 66%, 30%)
HSV	hsv(218, 79%, 49%)
CMYK	cmyk(79.4%, 50.8%, 0%, 50.6%)
CIE-LAB	lab(27.22, 11.85, -39.97)
CIE-LCH	lch(27.22, 41.69, 286.51°)
OKLab	oklab(37.64% -0.0184 -0.1149)
OKLCH	oklch(37.64% 0.116 260.9)
XYZ	xyz(5.9132, 5.1705, 20.4210)
Luminance	0.0517 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3E7E #7E5A1A

analogous

#1A707E #1A3E7E #281A7E

triadic

#1A3E7E #7E1A3E #3E7E1A

tetradic

#1A3E7E #7E1A70 #7E5A1A #1A7E28

square

#1A3E7E #7E1A70 #7E5A1A #1A7E28

split-complementary

#1A3E7E #7E281A #707E1A

monochromatic

#050C19 #10254B #1A3E7E #2457B1 #3C74D7

Accessibility & contrast

On white

10.32

#1A3E7E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#1A3E7E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3E7E

10.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3E7E	#FFFFFF	#000000	##FFFFFF
##1A3E7E	1.00	10.32	2.03	10.32
#FFFFFF	10.32	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#194580

Deuteranopia (green-blind)

#003C7D

Tritanopia (blue-blind)

#004D58

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #1a3e7e;
/* rgb */ color: rgb(26, 62, 126);
/* oklch */ color: oklch(37.6% 0.116 260.9);

Tailwind

colors: {
  custom: {
    50: '#6772a4',
    500: '#1a3e7e',
    950: '#000000',
  },
}

SCSS

$custom: #1a3e7e;
$custom-light: #6772a4;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3e7e",
  "rgb": {
    "r": 26,
    "g": 62,
    "b": 126
  },
  "hsl": {
    "h": 218.4,
    "s": 65.789,
    "l": 29.804
  },
  "oklch": {
    "l": 0.37644,
    "c": 0.11636,
    "h": 260.9
  },
  "luminance": 0.05171
}

Semantic roles & 50–950 ramp

primary

#1A3E7E

secondary

#B28A42

accent

#AC3FE9

background

#F6F6FA

surface

#EBECF4

border

#C6C7CE

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #1A3E7E

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

Preview Lab → · Contrast checker → · Palette generator →