#1A3E8D#1A3E8D

#1A3E8D is a dark, vivid blue. Relative luminance 0.056; OKLCH L 38.9% C 0.138 H 263.1°. Best body text is #FFFFFF at 9.92:1 contrast (WCAG AA passes).

Color values

HEX	#1A3E8D
RGB	rgb(26, 62, 141)
HSL	hsl(221, 69%, 33%)
HSV	hsv(221, 82%, 55%)
CMYK	cmyk(81.6%, 56%, 0%, 44.7%)
CIE-LAB	lab(28.35, 17.98, -47.47)
CIE-LCH	lch(28.35, 50.76, 290.75°)
OKLab	oklab(38.86% -0.0166 -0.1369)
OKLCH	oklch(38.86% 0.138 263.1)
XYZ	xyz(6.9546, 5.5871, 25.9060)
Luminance	0.0559 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3E8D #8D691A

analogous

#1A788D #1A3E8D #2F1A8D

triadic

#1A3E8D #8D1A3E #3E8D1A

tetradic

#1A3E8D #8D1A78 #8D691A #1A8D2F

square

#1A3E8D #8D1A78 #8D691A #1A8D2F

split-complementary

#1A3E8D #8D2F1A #788D1A

monochromatic

#071126 #102759 #1A3E8D #2455C1 #4574DD

Accessibility & contrast

On white

9.92

#1A3E8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#1A3E8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3E8D

9.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3E8D	#FFFFFF	#000000	##FFFFFF
##1A3E8D	1.00	9.92	2.12	9.92
#FFFFFF	9.92	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004890

Deuteranopia (green-blind)

#003E8B

Tritanopia (blue-blind)

#00525F

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #1a3e8d;
/* rgb */ color: rgb(26, 62, 141);
/* oklch */ color: oklch(38.9% 0.138 263.1);

Tailwind

colors: {
  custom: {
    50: '#6b72af',
    500: '#1a3e8d',
    950: '#000000',
  },
}

SCSS

$custom: #1a3e8d;
$custom-light: #6b72af;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3e8d",
  "rgb": {
    "r": 26,
    "g": 62,
    "b": 141
  },
  "hsl": {
    "h": 221.217,
    "s": 68.862,
    "l": 32.745
  },
  "oklch": {
    "l": 0.38863,
    "c": 0.13795,
    "h": 263.1
  },
  "luminance": 0.05588
}

Semantic roles & 50–950 ramp

primary

#1A3E8D

secondary

#BE9845

accent

#B53CEC

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#080810

muted

#7A7B7F

Preview Lab

Preview with #1A3E8D

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

Preview Lab → · Contrast checker → · Palette generator →