#1A2597#1A2597

#1A2597 is a dark, vivid blue. Relative luminance 0.038; OKLCH L 35.2% C 0.181 H 268.9°. Best body text is #FFFFFF at 11.96:1 contrast (WCAG AA passes).

Color values

HEX	#1A2597
RGB	rgb(26, 37, 151)
HSL	hsl(235, 71%, 35%)
HSV	hsv(235, 83%, 59%)
CMYK	cmyk(82.8%, 75.5%, 0%, 40.8%)
CIE-LAB	lab(22.92, 38.50, -62.53)
CIE-LCH	lch(22.92, 73.44, 301.62°)
OKLab	oklab(35.15% -0.0034 -0.1812)
OKLCH	oklch(35.15% 0.181 268.9)
XYZ	xyz(6.6716, 3.7763, 29.6494)
Luminance	0.0378 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A2597 #978C1A

analogous

#1A6497 #1A2597 #4E1A97

triadic

#1A2597 #971A25 #25971A

tetradic

#1A2597 #971A64 #978C1A #1A974E

square

#1A2597 #971A64 #978C1A #1A974E

split-complementary

#1A2597 #974E1A #64971A

monochromatic

#080B2F #111863 #1A2597 #2332CB #4B58E0

Accessibility & contrast

On white

11.96

#1A2597 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#1A2597 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A2597

11.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A2597	#FFFFFF	#000000	##FFFFFF
##1A2597	1.00	11.96	1.76	11.96
#FFFFFF	11.96	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D9A

Deuteranopia (green-blind)

#003095

Tritanopia (blue-blind)

#00465C

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #1a2597;
/* rgb */ color: rgb(26, 37, 151);
/* oklch */ color: oklch(35.2% 0.181 268.9);

Tailwind

colors: {
  custom: {
    50: '#7061b7',
    500: '#1a2597',
    950: '#000000',
  },
}

SCSS

$custom: #1a2597;
$custom-light: #7061b7;
$custom-dark: #000000;

JSON

{
  "hex": "#1a2597",
  "rgb": {
    "r": 26,
    "g": 37,
    "b": 151
  },
  "hsl": {
    "h": 234.72,
    "s": 70.621,
    "l": 34.706
  },
  "oklch": {
    "l": 0.35154,
    "c": 0.18123,
    "h": 268.9
  },
  "luminance": 0.03777
}

Semantic roles & 50–950 ramp

primary

#1A2597

secondary

#C2B84B

accent

#DE3AED

background

#F7F5FB

surface

#EDEAF6

border

#C8C6D0

text

#090511

muted

#7B7980

Preview Lab

Preview with #1A2597

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

Preview Lab → · Contrast checker → · Palette generator →