#1A537D#1A537D

#1A537D is a dark, moderate cyan. Relative luminance 0.079; OKLCH L 42.7% C 0.091 H 244.9°. Best body text is #FFFFFF at 8.15:1 contrast (WCAG AA passes).

Color values

HEX#1A537D
RGBrgb(26, 83, 125)
HSLhsl(205, 66%, 30%)
HSVhsv(205, 79%, 49%)
CMYKcmyk(79.2%, 33.6%, 0%, 51%)
CIE-LABlab(33.74, -2.66, -28.94)
CIE-LCHlch(33.74, 29.06, 264.74°)
OKLaboklab(42.71% -0.0385 -0.0821)
OKLCHoklch(42.71% 0.091 244.9)
XYZxyz(7.2195, 7.8859, 20.5397)
Luminance0.0789 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1A537D #7D441A
analogous
#1A7D76 #1A537D #1A217D
triadic
#1A537D #7D1A53 #537D1A
tetradic
#1A537D #761A7D #7D441A #217D1A
square
#1A537D #761A7D #7D441A #217D1A
split-complementary
#1A537D #7D1A21 #7D761A
monochromatic
#051119 #0F314A #1A537D #2575B0 #3B94D6

Accessibility & contrast

On white

8.15
#1A537D on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.58
#1A537D on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A537D
8.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1A537D#FFFFFF#000000##FFFFFF
##1A537D1.008.152.588.15
#FFFFFF8.151.0021.001.00
#0000002.5821.001.0021.00
##FFFFFF8.151.0021.001.00

Color blindness preview

Protanopia (red-blind)
#40547F
Deuteranopia (green-blind)
#324B7C
Tritanopia (blue-blind)
#005D62
Achromatopsia (no color)
#4F4F4F

Design tokens & code

CSS
--color: #1a537d;
/* rgb */ color: rgb(26, 83, 125);
/* oklch */ color: oklch(42.7% 0.091 244.9);
Tailwind
colors: {
  custom: {
    50: '#6683a3',
    500: '#1a537d',
    950: '#000000',
  },
}
SCSS
$custom: #1a537d;
$custom-light: #6683a3;
$custom-dark: #000000;
JSON
{
  "hex": "#1a537d",
  "rgb": {
    "r": 26,
    "g": 83,
    "b": 125
  },
  "hsl": {
    "h": 205.455,
    "s": 65.563,
    "l": 29.608
  },
  "oklch": {
    "l": 0.42706,
    "c": 0.0907,
    "h": 244.9
  },
  "luminance": 0.07887
}

Semantic roles & 50–950 ramp

primary
#1A537D
secondary
#B17142
accent
#873FE9
background
#F6F7FA
surface
#EBEEF3
border
#C6C9CD
text
#070A0F
muted
#7A7C7F

Preview Lab

Preview with #1A537D

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

Preview Lab → · Contrast checker → · Palette generator →

#1A537D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva