#1A3565#1A3565

#1A3565 is a dark, moderate blue. Relative luminance 0.037; OKLCH L 33.6% C 0.091 H 260.9°. Best body text is #FFFFFF at 12.06:1 contrast (WCAG AA passes).

Color values

HEX	#1A3565
RGB	rgb(26, 53, 101)
HSL	hsl(218, 59%, 25%)
HSV	hsv(218, 74%, 40%)
CMYK	cmyk(74.3%, 47.5%, 0%, 60.4%)
CIE-LAB	lab(22.67, 7.91, -31.33)
CIE-LCH	lch(22.67, 32.31, 284.18°)
OKLab	oklab(33.59% -0.0143 -0.0896)
OKLCH	oklch(33.59% 0.091 260.9)
XYZ	xyz(4.0472, 3.7050, 12.8112)
Luminance	0.0370 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3565 #654A1A

analogous

#1A5B65 #1A3565 #251A65

triadic

#1A3565 #651A35 #35651A

tetradic

#1A3565 #651A5B #654A1A #1A6525

square

#1A3565 #651A5B #654A1A #1A6525

split-complementary

#1A3565 #65251A #5B651A

monochromatic

#060D18 #0D1B34 #1A3565 #274F96 #3368C6

Accessibility & contrast

On white

12.06

#1A3565 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#1A3565 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3565

12.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3565	#FFFFFF	#000000	##FFFFFF
##1A3565	1.00	12.06	1.74	12.06
#FFFFFF	12.06	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D3A67

Deuteranopia (green-blind)

#0F3364

Tritanopia (blue-blind)

#004048

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #1a3565;
/* rgb */ color: rgb(26, 53, 101);
/* oklch */ color: oklch(33.6% 0.091 260.9);

Tailwind

colors: {
  custom: {
    50: '#616b91',
    500: '#1a3565',
    950: '#000000',
  },
}

SCSS

$custom: #1a3565;
$custom-light: #616b91;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3565",
  "rgb": {
    "r": 26,
    "g": 53,
    "b": 101
  },
  "hsl": {
    "h": 218.4,
    "s": 59.055,
    "l": 24.902
  },
  "oklch": {
    "l": 0.3359,
    "c": 0.09077,
    "h": 260.9
  },
  "luminance": 0.03705
}

Semantic roles & 50–950 ramp

primary

#1A3565

secondary

#9B7A40

accent

#AA46E2

background

#F6F6F8

surface

#EBEBF0

border

#C6C6CB

text

#05060D

muted

#7A7A7D

Preview Lab

Preview with #1A3565

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

Preview Lab → · Contrast checker → · Palette generator →