#1A3E91#1A3E91

#1A3E91 is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.2% C 0.144 H 263.5°. Best body text is #FFFFFF at 9.80:1 contrast (WCAG AA passes).

Color values

HEX	#1A3E91
RGB	rgb(26, 62, 145)
HSL	hsl(222, 70%, 34%)
HSV	hsv(222, 82%, 57%)
CMYK	cmyk(82.1%, 57.2%, 0%, 43.1%)
CIE-LAB	lab(28.66, 19.60, -49.42)
CIE-LCH	lch(28.66, 53.16, 291.64°)
OKLab	oklab(39.2% -0.0163 -0.1427)
OKLCH	oklch(39.2% 0.144 263.5)
XYZ	xyz(7.2576, 5.7083, 27.5019)
Luminance	0.0571 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3E91 #916D1A

analogous

#1A7991 #1A3E91 #311A91

triadic

#1A3E91 #911A3E #3E911A

tetradic

#1A3E91 #911A79 #916D1A #1A9131

square

#1A3E91 #911A79 #916D1A #1A9131

split-complementary

#1A3E91 #91311A #79911A

monochromatic

#071229 #11285D #1A3E91 #2354C5 #4775DE

Accessibility & contrast

On white

9.80

#1A3E91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#1A3E91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3E91

9.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3E91	#FFFFFF	#000000	##FFFFFF
##1A3E91	1.00	9.80	2.14	9.80
#FFFFFF	9.80	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004994

Deuteranopia (green-blind)

#003E8F

Tritanopia (blue-blind)

#005361

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #1a3e91;
/* rgb */ color: rgb(26, 62, 145);
/* oklch */ color: oklch(39.2% 0.144 263.5);

Tailwind

colors: {
  custom: {
    50: '#6c72b2',
    500: '#1a3e91',
    950: '#000000',
  },
}

SCSS

$custom: #1a3e91;
$custom-light: #6c72b2;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3e91",
  "rgb": {
    "r": 26,
    "g": 62,
    "b": 145
  },
  "hsl": {
    "h": 221.849,
    "s": 69.591,
    "l": 33.529
  },
  "oklch": {
    "l": 0.39204,
    "c": 0.1436,
    "h": 263.5
  },
  "luminance": 0.05709
}

Semantic roles & 50–950 ramp

primary

#1A3E91

secondary

#C09B47

accent

#B73BEC

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1A3E91

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

Preview Lab → · Contrast checker → · Palette generator →