#1A3097#1A3097

#1A3097 is a dark, vivid blue. Relative luminance 0.046; OKLCH L 37.0% C 0.169 H 267.3°. Best body text is #FFFFFF at 10.97:1 contrast (WCAG AA passes).

Color values

HEX	#1A3097
RGB	rgb(26, 48, 151)
HSL	hsl(229, 71%, 35%)
HSV	hsv(229, 83%, 59%)
CMYK	cmyk(82.8%, 68.2%, 0%, 40.8%)
CIE-LAB	lab(25.46, 31.53, -58.34)
CIE-LCH	lch(25.46, 66.31, 298.39°)
OKLab	oklab(36.99% -0.008 -0.169)
OKLCH	oklch(36.99% 0.169 267.3)
XYZ	xyz(7.0669, 4.5670, 29.7812)
Luminance	0.0457 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3097 #97811A

analogous

#1A6F97 #1A3097 #431A97

triadic

#1A3097 #971A30 #30971A

tetradic

#1A3097 #971A6F #97811A #1A9743

square

#1A3097 #971A6F #97811A #1A9743

split-complementary

#1A3097 #97431A #6F971A

monochromatic

#080F2F #111F63 #1A3097 #2341CB #4B66E0

Accessibility & contrast

On white

10.97

#1A3097 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#1A3097 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3097

10.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3097	#FFFFFF	#000000	##FFFFFF
##1A3097	1.00	10.97	1.91	10.97
#FFFFFF	10.97	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	10.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00429A

Deuteranopia (green-blind)

#003695

Tritanopia (blue-blind)

#004C5F

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #1a3097;
/* rgb */ color: rgb(26, 48, 151);
/* oklch */ color: oklch(37.0% 0.169 267.3);

Tailwind

colors: {
  custom: {
    50: '#6f68b7',
    500: '#1a3097',
    950: '#000000',
  },
}

SCSS

$custom: #1a3097;
$custom-light: #6f68b7;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3097",
  "rgb": {
    "r": 26,
    "g": 48,
    "b": 151
  },
  "hsl": {
    "h": 229.44,
    "s": 70.621,
    "l": 34.706
  },
  "oklch": {
    "l": 0.36991,
    "c": 0.16917,
    "h": 267.3
  },
  "luminance": 0.04568
}

Semantic roles & 50–950 ramp

primary

#1A3097

secondary

#C2AD4B

accent

#CE3AED

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #1A3097

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

Preview Lab → · Contrast checker → · Palette generator →