#1A3A63#1A3A63

#1A3A63 is a dark, moderate cyan. Relative luminance 0.041; OKLCH L 34.7% C 0.081 H 255.7°. Best body text is #FFFFFF at 11.48:1 contrast (WCAG AA passes).

Color values

HEX#1A3A63
RGBrgb(26, 58, 99)
HSLhsl(214, 58%, 25%)
HSVhsv(214, 74%, 39%)
CMYKcmyk(73.7%, 41.4%, 0%, 61.2%)
CIE-LABlab(24.15, 3.58, -27.67)
CIE-LCHlch(24.15, 27.90, 277.37°)
OKLaboklab(34.69% -0.0201 -0.0788)
OKLCHoklch(34.69% 0.081 255.7)
XYZxyz(4.1904, 4.1461, 12.3814)
Luminance0.0415 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1A3A63 #63431A
analogous
#1A5F63 #1A3A63 #1F1A63
triadic
#1A3A63 #631A3A #3A631A
tetradic
#1A3A63 #631A5F #63431A #1A631F
square
#1A3A63 #631A5F #63431A #1A631F
split-complementary
#1A3A63 #631F1A #5F631A
monochromatic
#060E18 #0D1E33 #1A3A63 #275693 #3373C4

Accessibility & contrast

On white

11.48
#1A3A63 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.83
#1A3A63 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3A63
11.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1A3A63#FFFFFF#000000##FFFFFF
##1A3A631.0011.481.8311.48
#FFFFFF11.481.0021.001.00
#0000001.8321.001.0021.00
##FFFFFF11.481.0021.001.00

Color blindness preview

Protanopia (red-blind)
#273D65
Deuteranopia (green-blind)
#1C3662
Tritanopia (blue-blind)
#004449
Achromatopsia (no color)
#393939

Design tokens & code

CSS
--color: #1a3a63;
/* rgb */ color: rgb(26, 58, 99);
/* oklch */ color: oklch(34.7% 0.081 255.7);
Tailwind
colors: {
  custom: {
    50: '#606f8f',
    500: '#1a3a63',
    950: '#000000',
  },
}
SCSS
$custom: #1a3a63;
$custom-light: #606f8f;
$custom-dark: #000000;
JSON
{
  "hex": "#1a3a63",
  "rgb": {
    "r": 26,
    "g": 58,
    "b": 99
  },
  "hsl": {
    "h": 213.699,
    "s": 58.4,
    "l": 24.51
  },
  "oklch": {
    "l": 0.34692,
    "c": 0.08134,
    "h": 255.7
  },
  "luminance": 0.04147
}

Semantic roles & 50–950 ramp

primary
#1A3A63
secondary
#997240
accent
#9D46E2
background
#F6F6F8
surface
#EBECF0
border
#C6C7CB
text
#05070C
muted
#7A7A7D

Preview Lab

Preview with #1A3A63

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

Preview Lab → · Contrast checker → · Palette generator →

#1A3A63 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva