#1A3E90#1A3E90

#1A3E90 is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.1% C 0.142 H 263.4°. Best body text is #FFFFFF at 9.83:1 contrast (WCAG AA passes).

Color values

HEX	#1A3E90
RGB	rgb(26, 62, 144)
HSL	hsl(222, 69%, 33%)
HSV	hsv(222, 82%, 56%)
CMYK	cmyk(81.9%, 56.9%, 0%, 43.5%)
CIE-LAB	lab(28.58, 19.20, -48.93)
CIE-LCH	lch(28.58, 52.57, 291.42°)
OKLab	oklab(39.12% -0.0164 -0.1412)
OKLCH	oklch(39.12% 0.142 263.4)
XYZ	xyz(7.1809, 5.6776, 27.0976)
Luminance	0.0568 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3E90 #906C1A

analogous

#1A7990 #1A3E90 #311A90

triadic

#1A3E90 #901A3E #3E901A

tetradic

#1A3E90 #901A79 #906C1A #1A9031

square

#1A3E90 #901A79 #906C1A #1A9031

split-complementary

#1A3E90 #90311A #79901A

monochromatic

#071128 #11285C #1A3E90 #2354C4 #4775DE

Accessibility & contrast

On white

9.83

#1A3E90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#1A3E90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3E90

9.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3E90	#FFFFFF	#000000	##FFFFFF
##1A3E90	1.00	9.83	2.14	9.83
#FFFFFF	9.83	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004993

Deuteranopia (green-blind)

#003E8E

Tritanopia (blue-blind)

#005260

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #1a3e90;
/* rgb */ color: rgb(26, 62, 144);
/* oklch */ color: oklch(39.1% 0.142 263.4);

Tailwind

colors: {
  custom: {
    50: '#6b72b1',
    500: '#1a3e90',
    950: '#000000',
  },
}

SCSS

$custom: #1a3e90;
$custom-light: #6b72b1;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3e90",
  "rgb": {
    "r": 26,
    "g": 62,
    "b": 144
  },
  "hsl": {
    "h": 221.695,
    "s": 69.412,
    "l": 33.333
  },
  "oklch": {
    "l": 0.39118,
    "c": 0.1422,
    "h": 263.4
  },
  "luminance": 0.05678
}

Semantic roles & 50–950 ramp

primary

#1A3E90

secondary

#BF9A47

accent

#B63CEC

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1A3E90

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

Preview Lab → · Contrast checker → · Palette generator →