#1A3E8B#1A3E8B

#1A3E8B is a dark, vivid blue. Relative luminance 0.055; OKLCH L 38.7% C 0.135 H 262.9°. Best body text is #FFFFFF at 9.97:1 contrast (WCAG AA passes).

Color values

HEX	#1A3E8B
RGB	rgb(26, 62, 139)
HSL	hsl(221, 68%, 32%)
HSV	hsv(221, 81%, 55%)
CMYK	cmyk(81.3%, 55.4%, 0%, 45.5%)
CIE-LAB	lab(28.19, 17.17, -46.49)
CIE-LCH	lch(28.19, 49.56, 290.27°)
OKLab	oklab(38.7% -0.0168 -0.1341)
OKLCH	oklch(38.7% 0.135 262.9)
XYZ	xyz(6.8072, 5.5281, 25.1294)
Luminance	0.0553 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3E8B #8B671A

analogous

#1A778B #1A3E8B #2F1A8B

triadic

#1A3E8B #8B1A3E #3E8B1A

tetradic

#1A3E8B #8B1A77 #8B671A #1A8B2F

square

#1A3E8B #8B1A77 #8B671A #1A8B2F

split-complementary

#1A3E8B #8B2F1A #778B1A

monochromatic

#071024 #102757 #1A3E8B #2455BF #4374DC

Accessibility & contrast

On white

9.97

#1A3E8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#1A3E8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3E8B

9.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3E8B	#FFFFFF	#000000	##FFFFFF
##1A3E8B	1.00	9.97	2.11	9.97
#FFFFFF	9.97	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00488E

Deuteranopia (green-blind)

#003E89

Tritanopia (blue-blind)

#00515E

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #1a3e8b;
/* rgb */ color: rgb(26, 62, 139);
/* oklch */ color: oklch(38.7% 0.135 262.9);

Tailwind

colors: {
  custom: {
    50: '#6a72ad',
    500: '#1a3e8b',
    950: '#000000',
  },
}

SCSS

$custom: #1a3e8b;
$custom-light: #6a72ad;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3e8b",
  "rgb": {
    "r": 26,
    "g": 62,
    "b": 139
  },
  "hsl": {
    "h": 220.885,
    "s": 68.485,
    "l": 32.353
  },
  "oklch": {
    "l": 0.38695,
    "c": 0.13512,
    "h": 262.9
  },
  "luminance": 0.05529
}

Semantic roles & 50–950 ramp

primary

#1A3E8B

secondary

#BD9644

accent

#B43CEB

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#080810

muted

#7A7B7F

Preview Lab

Preview with #1A3E8B

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

Preview Lab → · Contrast checker → · Palette generator →