#1A3D98#1A3D98

#1A3D98 is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.6% C 0.155 H 264.3°. Best body text is #FFFFFF at 9.70:1 contrast (WCAG AA passes).

Color values

HEX	#1A3D98
RGB	rgb(26, 61, 152)
HSL	hsl(223, 71%, 35%)
HSV	hsv(223, 83%, 60%)
CMYK	cmyk(82.9%, 59.9%, 0%, 40.4%)
CIE-LAB	lab(28.96, 23.11, -53.22)
CIE-LCH	lch(28.96, 58.02, 293.47°)
OKLab	oklab(39.61% -0.0152 -0.1538)
OKLCH	oklch(39.61% 0.155 264.3)
XYZ	xyz(7.7602, 5.8232, 30.4147)
Luminance	0.0582 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3D98 #98751A

analogous

#1A7C98 #1A3D98 #361A98

triadic

#1A3D98 #981A3D #3D981A

tetradic

#1A3D98 #981A7C #98751A #1A9836

square

#1A3D98 #981A7C #98751A #1A9836

split-complementary

#1A3D98 #98361A #7C981A

monochromatic

#08132F #112864 #1A3D98 #2352CC #4C75E0

Accessibility & contrast

On white

9.70

#1A3D98 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#1A3D98 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3D98

9.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3D98	#FFFFFF	#000000	##FFFFFF
##1A3D98	1.00	9.70	2.16	9.70
#FFFFFF	9.70	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A9B

Deuteranopia (green-blind)

#003F96

Tritanopia (blue-blind)

#005464

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #1a3d98;
/* rgb */ color: rgb(26, 61, 152);
/* oklch */ color: oklch(39.6% 0.155 264.3);

Tailwind

colors: {
  custom: {
    50: '#6e72b7',
    500: '#1a3d98',
    950: '#000000',
  },
}

SCSS

$custom: #1a3d98;
$custom-light: #6e72b7;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3d98",
  "rgb": {
    "r": 26,
    "g": 61,
    "b": 152
  },
  "hsl": {
    "h": 223.333,
    "s": 70.787,
    "l": 34.902
  },
  "oklch": {
    "l": 0.39608,
    "c": 0.1546,
    "h": 264.3
  },
  "luminance": 0.05824
}

Semantic roles & 50–950 ramp

primary

#1A3D98

secondary

#C2A14B

accent

#BC3AEE

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#080711

muted

#7B7A80

Preview Lab

Preview with #1A3D98

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

Preview Lab → · Contrast checker → · Palette generator →