#1A255E#1A255E

#1A255E is a dark, moderate blue. Relative luminance 0.024; OKLCH L 29.3% C 0.102 H 270.5°. Best body text is #FFFFFF at 14.28:1 contrast (WCAG AA passes).

Color values

HEX	#1A255E
RGB	rgb(26, 37, 94)
HSL	hsl(230, 57%, 24%)
HSV	hsv(230, 72%, 37%)
CMYK	cmyk(72.3%, 60.6%, 0%, 63.1%)
CIE-LAB	lab(17.23, 16.65, -35.51)
CIE-LCH	lch(17.23, 39.22, 295.12°)
OKLab	oklab(29.28% 0.001 -0.1022)
OKLCH	oklch(29.28% 0.102 270.5)
XYZ	xyz(3.1073, 2.3506, 10.8775)
Luminance	0.0235 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A255E #5E531A

analogous

#1A475E #1A255E #311A5E

triadic

#1A255E #5E1A25 #255E1A

tetradic

#1A255E #5E1A47 #5E531A #1A5E31

square

#1A255E #5E1A47 #5E531A #1A5E31

split-complementary

#1A255E #5E311A #475E1A

monochromatic

#070918 #0D122E #1A255E #27388E #354BBE

Accessibility & contrast

On white

14.28

#1A255E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#1A255E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A255E

14.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A255E	#FFFFFF	#000000	##FFFFFF
##1A255E	1.00	14.28	1.47	14.28
#FFFFFF	14.28	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E60

Deuteranopia (green-blind)

#00275D

Tritanopia (blue-blind)

#00333D

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #1a255e;
/* rgb */ color: rgb(26, 37, 94);
/* oklch */ color: oklch(29.3% 0.102 270.5);

Tailwind

colors: {
  custom: {
    50: '#605f8c',
    500: '#1a255e',
    950: '#000000',
  },
}

SCSS

$custom: #1a255e;
$custom-light: #605f8c;
$custom-dark: #000000;

JSON

{
  "hex": "#1a255e",
  "rgb": {
    "r": 26,
    "g": 37,
    "b": 94
  },
  "hsl": {
    "h": 230.294,
    "s": 56.667,
    "l": 23.529
  },
  "oklch": {
    "l": 0.29284,
    "c": 0.10221,
    "h": 270.5
  },
  "luminance": 0.02351
}

Semantic roles & 50–950 ramp

primary

#1A255E

secondary

#948640

accent

#C748E0

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#05040C

muted

#7A797D

Preview Lab

Preview with #1A255E

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

Preview Lab → · Contrast checker → · Palette generator →