#1A347A#1A347A

#1A347A is a dark, vivid blue. Relative luminance 0.041; OKLCH L 35.1% C 0.124 H 265.1°. Best body text is #FFFFFF at 11.56:1 contrast (WCAG AA passes).

Color values

HEX#1A347A
RGBrgb(26, 52, 122)
HSLhsl(224, 65%, 29%)
HSVhsv(224, 79%, 48%)
CMYKcmyk(78.7%, 57.4%, 0%, 52.2%)
CIE-LABlab(23.93, 17.26, -42.76)
CIE-LCHlch(23.93, 46.11, 291.98°)
OKLaboklab(35.05% -0.0105 -0.1233)
OKLCHoklch(35.05% 0.124 265.1)
XYZxyz(5.1656, 4.0802, 18.9239)
Luminance0.0408 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1A347A #7A601A
analogous
#1A647A #1A347A #301A7A
triadic
#1A347A #7A1A34 #347A1A
tetradic
#1A347A #7A1A64 #7A601A #1A7A30
square
#1A347A #7A1A64 #7A601A #1A7A30
split-complementary
#1A347A #7A301A #647A1A
monochromatic
#050B19 #0F1E48 #1A347A #254AAC #3964D5

Accessibility & contrast

On white

11.56
#1A347A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.82
#1A347A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A347A
11.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1A347A#FFFFFF#000000##FFFFFF
##1A347A1.0011.561.8211.56
#FFFFFF11.561.0021.001.00
#0000001.8221.001.0021.00
##FFFFFF11.561.0021.001.00

Color blindness preview

Protanopia (red-blind)
#003E7C
Deuteranopia (green-blind)
#003579
Tritanopia (blue-blind)
#004551
Achromatopsia (no color)
#393939

Design tokens & code

CSS
--color: #1a347a;
/* rgb */ color: rgb(26, 52, 122);
/* oklch */ color: oklch(35.1% 0.124 265.1);
Tailwind
colors: {
  custom: {
    50: '#666ba1',
    500: '#1a347a',
    950: '#000000',
  },
}
SCSS
$custom: #1a347a;
$custom-light: #666ba1;
$custom-dark: #000000;
JSON
{
  "hex": "#1a347a",
  "rgb": {
    "r": 26,
    "g": 52,
    "b": 122
  },
  "hsl": {
    "h": 223.75,
    "s": 64.865,
    "l": 29.02
  },
  "oklch": {
    "l": 0.35052,
    "c": 0.12374,
    "h": 265.1
  },
  "luminance": 0.04081
}

Semantic roles & 50–950 ramp

primary
#1A347A
secondary
#AE9141
accent
#BA40E8
background
#F6F6FA
surface
#EBEBF3
border
#C6C6CD
text
#07060F
muted
#7A7A7F

Preview Lab

Preview with #1A347A

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

Preview Lab → · Contrast checker → · Palette generator →

#1A347A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva