#1A3F98#1A3F98

#1A3F98 is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.0% C 0.152 H 263.8°. Best body text is #FFFFFF at 9.51:1 contrast (WCAG AA passes).

Color values

HEX	#1A3F98
RGB	rgb(26, 63, 152)
HSL	hsl(222, 71%, 35%)
HSV	hsv(222, 83%, 60%)
CMYK	cmyk(82.9%, 58.6%, 0%, 40.4%)
CIE-LAB	lab(29.51, 21.73, -52.32)
CIE-LCH	lch(29.51, 56.65, 292.56°)
OKLab	oklab(40.02% -0.0165 -0.1512)
OKLCH	oklch(40.02% 0.152 263.8)
XYZ	xyz(7.8690, 6.0407, 30.4509)
Luminance	0.0604 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3F98 #98731A

analogous

#1A7E98 #1A3F98 #341A98

triadic

#1A3F98 #981A3F #3F981A

tetradic

#1A3F98 #981A7E #98731A #1A9834

square

#1A3F98 #981A7E #98731A #1A9834

split-complementary

#1A3F98 #98341A #7E981A

monochromatic

#08142F #112964 #1A3F98 #2355CC #4C78E0

Accessibility & contrast

On white

9.51

#1A3F98 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#1A3F98 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3F98

9.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3F98	#FFFFFF	#000000	##FFFFFF
##1A3F98	1.00	9.51	2.21	9.51
#FFFFFF	9.51	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004C9B

Deuteranopia (green-blind)

#004096

Tritanopia (blue-blind)

#005565

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #1a3f98;
/* rgb */ color: rgb(26, 63, 152);
/* oklch */ color: oklch(40.0% 0.152 263.8);

Tailwind

colors: {
  custom: {
    50: '#6e73b7',
    500: '#1a3f98',
    950: '#000000',
  },
}

SCSS

$custom: #1a3f98;
$custom-light: #6e73b7;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3f98",
  "rgb": {
    "r": 26,
    "g": 63,
    "b": 152
  },
  "hsl": {
    "h": 222.381,
    "s": 70.787,
    "l": 34.902
  },
  "oklch": {
    "l": 0.40023,
    "c": 0.15207,
    "h": 263.8
  },
  "luminance": 0.06042
}

Semantic roles & 50–950 ramp

primary

#1A3F98

secondary

#C29F4B

accent

#B93AEE

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1A3F98

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

Preview Lab → · Contrast checker → · Palette generator →