#1A2897#1A2897

#1A2897 is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.6% C 0.178 H 268.5°. Best body text is #FFFFFF at 11.70:1 contrast (WCAG AA passes).

Color values

HEX	#1A2897
RGB	rgb(26, 40, 151)
HSL	hsl(233, 71%, 35%)
HSV	hsv(233, 83%, 59%)
CMYK	cmyk(82.8%, 73.5%, 0%, 40.8%)
CIE-LAB	lab(23.57, 36.67, -61.45)
CIE-LCH	lch(23.57, 71.56, 300.83°)
OKLab	oklab(35.62% -0.0045 -0.1781)
OKLCH	oklch(35.62% 0.178 268.5)
XYZ	xyz(6.7688, 3.9708, 29.6818)
Luminance	0.0397 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A2897 #97891A

analogous

#1A6797 #1A2897 #4B1A97

triadic

#1A2897 #971A28 #28971A

tetradic

#1A2897 #971A67 #97891A #1A974B

square

#1A2897 #971A67 #97891A #1A974B

split-complementary

#1A2897 #974B1A #67971A

monochromatic

#080C2F #111A63 #1A2897 #2336CB #4B5CE0

Accessibility & contrast

On white

11.70

#1A2897 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#1A2897 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A2897

11.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A2897	#FFFFFF	#000000	##FFFFFF
##1A2897	1.00	11.70	1.79	11.70
#FFFFFF	11.70	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E9A

Deuteranopia (green-blind)

#003295

Tritanopia (blue-blind)

#00485D

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #1a2897;
/* rgb */ color: rgb(26, 40, 151);
/* oklch */ color: oklch(35.6% 0.178 268.5);

Tailwind

colors: {
  custom: {
    50: '#6f63b7',
    500: '#1a2897',
    950: '#000000',
  },
}

SCSS

$custom: #1a2897;
$custom-light: #6f63b7;
$custom-dark: #000000;

JSON

{
  "hex": "#1a2897",
  "rgb": {
    "r": 26,
    "g": 40,
    "b": 151
  },
  "hsl": {
    "h": 233.28,
    "s": 70.621,
    "l": 34.706
  },
  "oklch": {
    "l": 0.35623,
    "c": 0.17812,
    "h": 268.5
  },
  "luminance": 0.03972
}

Semantic roles & 50–950 ramp

primary

#1A2897

secondary

#C2B54B

accent

#D93AED

background

#F7F5FB

surface

#EDEAF6

border

#C8C6D0

text

#090511

muted

#7B7980

Preview Lab

Preview with #1A2897

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

Preview Lab → · Contrast checker → · Palette generator →