#1A3B98#1A3B98

#1A3B98 is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.2% C 0.157 H 264.9°. Best body text is #FFFFFF at 9.89:1 contrast (WCAG AA passes).

Color values

HEX	#1A3B98
RGB	rgb(26, 59, 152)
HSL	hsl(224, 71%, 35%)
HSV	hsv(224, 83%, 60%)
CMYK	cmyk(82.9%, 61.2%, 0%, 40.4%)
CIE-LAB	lab(28.42, 24.48, -54.11)
CIE-LCH	lch(28.42, 59.39, 294.35°)
OKLab	oklab(39.2% -0.014 -0.1565)
OKLCH	oklch(39.2% 0.157 264.9)
XYZ	xyz(7.6555, 5.6136, 30.3797)
Luminance	0.0561 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3B98 #98771A

analogous

#1A7A98 #1A3B98 #381A98

triadic

#1A3B98 #981A3B #3B981A

tetradic

#1A3B98 #981A7A #98771A #1A9838

square

#1A3B98 #981A7A #98771A #1A9838

split-complementary

#1A3B98 #98381A #7A981A

monochromatic

#08122F #112764 #1A3B98 #234FCC #4C73E0

Accessibility & contrast

On white

9.89

#1A3B98 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#1A3B98 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3B98

9.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3B98	#FFFFFF	#000000	##FFFFFF
##1A3B98	1.00	9.89	2.12	9.89
#FFFFFF	9.89	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00499B

Deuteranopia (green-blind)

#003D96

Tritanopia (blue-blind)

#005363

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #1a3b98;
/* rgb */ color: rgb(26, 59, 152);
/* oklch */ color: oklch(39.2% 0.157 264.9);

Tailwind

colors: {
  custom: {
    50: '#6e70b7',
    500: '#1a3b98',
    950: '#000000',
  },
}

SCSS

$custom: #1a3b98;
$custom-light: #6e70b7;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3b98",
  "rgb": {
    "r": 26,
    "g": 59,
    "b": 152
  },
  "hsl": {
    "h": 224.286,
    "s": 70.787,
    "l": 34.902
  },
  "oklch": {
    "l": 0.392,
    "c": 0.15712,
    "h": 264.9
  },
  "luminance": 0.05615
}

Semantic roles & 50–950 ramp

primary

#1A3B98

secondary

#C2A34B

accent

#BF3AEE

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#080711

muted

#7B7A80

Preview Lab

Preview with #1A3B98

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

Preview Lab → · Contrast checker → · Palette generator →