#1A4583#1A4583

#1A4583 is a dark, moderate blue. Relative luminance 0.061; OKLCH L 39.7% C 0.115 H 258.1°. Best body text is #FFFFFF at 9.45:1 contrast (WCAG AA passes).

Color values

HEX#1A4583
RGBrgb(26, 69, 131)
HSLhsl(215, 67%, 31%)
HSVhsv(215, 80%, 51%)
CMYKcmyk(80.2%, 47.3%, 0%, 48.6%)
CIE-LABlab(29.70, 9.05, -39.10)
CIE-LCHlch(29.70, 40.13, 283.03°)
OKLaboklab(39.66% -0.0237 -0.1122)
OKLCHoklch(39.66% 0.115 258.1)
XYZxyz(6.6494, 6.1138, 22.2980)
Luminance0.0612 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1A4583 #83581A
analogous
#1A7983 #1A4583 #241A83
triadic
#1A4583 #831A45 #45831A
tetradic
#1A4583 #831A79 #83581A #1A8324
square
#1A4583 #831A79 #83581A #1A8324
split-complementary
#1A4583 #83241A #79831A
monochromatic
#060F1D #102A50 #1A4583 #2460B6 #3F7ED9

Accessibility & contrast

On white

9.45
#1A4583 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.22
#1A4583 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A4583
9.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1A4583#FFFFFF#000000##FFFFFF
##1A45831.009.452.229.45
#FFFFFF9.451.0021.001.00
#0000002.2221.001.0021.00
##FFFFFF9.451.0021.001.00

Color blindness preview

Protanopia (red-blind)
#244B85
Deuteranopia (green-blind)
#0B4282
Tritanopia (blue-blind)
#00545D
Achromatopsia (no color)
#464646

Design tokens & code

CSS
--color: #1a4583;
/* rgb */ color: rgb(26, 69, 131);
/* oklch */ color: oklch(39.7% 0.115 258.1);
Tailwind
colors: {
  custom: {
    50: '#6878a7',
    500: '#1a4583',
    950: '#000000',
  },
}
SCSS
$custom: #1a4583;
$custom-light: #6878a7;
$custom-dark: #000000;
JSON
{
  "hex": "#1a4583",
  "rgb": {
    "r": 26,
    "g": 69,
    "b": 131
  },
  "hsl": {
    "h": 215.429,
    "s": 66.879,
    "l": 30.784
  },
  "oklch": {
    "l": 0.39664,
    "c": 0.11464,
    "h": 258.1
  },
  "luminance": 0.06115
}

Semantic roles & 50–950 ramp

primary
#1A4583
secondary
#B78742
accent
#A33EEA
background
#F6F7FA
surface
#EBEDF4
border
#C6C8CE
text
#07080F
muted
#7A7B7F

Preview Lab

Preview with #1A4583

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

Preview Lab → · Contrast checker → · Palette generator →

#1A4583 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva