#1A3594#1A3594

#1A3594 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.6% C 0.159 H 266.2°. Best body text is #FFFFFF at 10.60:1 contrast (WCAG AA passes).

Color values

HEX	#1A3594
RGB	rgb(26, 53, 148)
HSL	hsl(227, 70%, 34%)
HSV	hsv(227, 82%, 58%)
CMYK	cmyk(82.4%, 64.2%, 0%, 42%)
CIE-LAB	lab(26.46, 27.00, -54.86)
CIE-LCH	lch(26.46, 61.15, 296.21°)
OKLab	oklab(37.64% -0.0105 -0.1588)
OKLCH	oklch(37.64% 0.159 266.2)
XYZ	xyz(7.0425, 4.9031, 28.5865)
Luminance	0.0490 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3594 #94791A

analogous

#1A7294 #1A3594 #3C1A94

triadic

#1A3594 #941A35 #35941A

tetradic

#1A3594 #941A72 #94791A #1A943C

square

#1A3594 #941A72 #94791A #1A943C

split-complementary

#1A3594 #943C1A #72941A

monochromatic

#08102C #112260 #1A3594 #2348C8 #496ADF

Accessibility & contrast

On white

10.60

#1A3594 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#1A3594 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3594

10.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3594	#FFFFFF	#000000	##FFFFFF
##1A3594	1.00	10.60	1.98	10.60
#FFFFFF	10.60	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004497

Deuteranopia (green-blind)

#003992

Tritanopia (blue-blind)

#004E5F

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #1a3594;
/* rgb */ color: rgb(26, 53, 148);
/* oklch */ color: oklch(37.6% 0.159 266.2);

Tailwind

colors: {
  custom: {
    50: '#6d6cb4',
    500: '#1a3594',
    950: '#000000',
  },
}

SCSS

$custom: #1a3594;
$custom-light: #6d6cb4;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3594",
  "rgb": {
    "r": 26,
    "g": 53,
    "b": 148
  },
  "hsl": {
    "h": 226.721,
    "s": 70.115,
    "l": 34.118
  },
  "oklch": {
    "l": 0.37635,
    "c": 0.15914,
    "h": 266.2
  },
  "luminance": 0.04904
}

Semantic roles & 50–950 ramp

primary

#1A3594

secondary

#C1A649

accent

#C63BED

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080611

muted

#7B7A80

Preview Lab

Preview with #1A3594

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

Preview Lab → · Contrast checker → · Palette generator →