#1A3F95#1A3F95

#1A3F95 is a dark, vivid blue. Relative luminance 0.059; OKLCH L 39.8% C 0.148 H 263.5°. Best body text is #FFFFFF at 9.59:1 contrast (WCAG AA passes).

Color values

HEX	#1A3F95
RGB	rgb(26, 63, 149)
HSL	hsl(222, 70%, 34%)
HSV	hsv(222, 83%, 58%)
CMYK	cmyk(82.6%, 57.7%, 0%, 41.6%)
CIE-LAB	lab(29.27, 20.53, -50.88)
CIE-LCH	lch(29.27, 54.87, 291.97°)
OKLab	oklab(39.76% -0.0167 -0.147)
OKLCH	oklch(39.76% 0.148 263.5)
XYZ	xyz(7.6264, 5.9436, 29.1732)
Luminance	0.0595 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3F95 #95701A

analogous

#1A7D95 #1A3F95 #321A95

triadic

#1A3F95 #951A3F #3F951A

tetradic

#1A3F95 #951A7D #95701A #1A9532

square

#1A3F95 #951A7D #95701A #1A9532

split-complementary

#1A3F95 #95321A #7D951A

monochromatic

#08132D #112961 #1A3F95 #2355C9 #4A77DF

Accessibility & contrast

On white

9.59

#1A3F95 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#1A3F95 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3F95

9.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3F95	#FFFFFF	#000000	##FFFFFF
##1A3F95	1.00	9.59	2.19	9.59
#FFFFFF	9.59	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004B98

Deuteranopia (green-blind)

#004093

Tritanopia (blue-blind)

#005563

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #1a3f95;
/* rgb */ color: rgb(26, 63, 149);
/* oklch */ color: oklch(39.8% 0.148 263.5);

Tailwind

colors: {
  custom: {
    50: '#6d73b5',
    500: '#1a3f95',
    950: '#000000',
  },
}

SCSS

$custom: #1a3f95;
$custom-light: #6d73b5;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3f95",
  "rgb": {
    "r": 26,
    "g": 63,
    "b": 149
  },
  "hsl": {
    "h": 221.951,
    "s": 70.286,
    "l": 34.314
  },
  "oklch": {
    "l": 0.39762,
    "c": 0.14791,
    "h": 263.5
  },
  "luminance": 0.05945
}

Semantic roles & 50–950 ramp

primary

#1A3F95

secondary

#C19D4A

accent

#B73BED

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1A3F95

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

Preview Lab → · Contrast checker → · Palette generator →