#1A5F9F#1A5F9F

#1A5F9F is a mid, vivid cyan. Relative luminance 0.109; OKLCH L 47.8% C 0.123 H 251.0°. Best body text is #FFFFFF at 6.60:1 contrast (WCAG AA passes).

Color values

HEX	#1A5F9F
RGB	rgb(26, 95, 159)
HSL	hsl(209, 72%, 36%)
HSV	hsv(209, 84%, 62%)
CMYK	cmyk(83.6%, 40.3%, 0%, 37.6%)
CIE-LAB	lab(39.42, 3.09, -40.57)
CIE-LCH	lch(39.42, 40.69, 274.36°)
OKLab	oklab(47.79% -0.04 -0.116)
OKLCH	oklch(47.79% 0.123 251)
XYZ	xyz(10.7738, 10.9059, 34.3314)
Luminance	0.1091 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A5F9F #9F5A1A

analogous

#1A9F9D #1A5F9F #1A1D9F

triadic

#1A5F9F #9F1A5F #5F9F1A

tetradic

#1A5F9F #9D1A9F #9F5A1A #1D9F1A

square

#1A5F9F #9D1A9F #9F5A1A #1D9F1A

split-complementary

#1A5F9F #9F1A1D #9F9D1A

monochromatic

#092036 #11406A #1A5F9F #237ED4 #519CE3

Accessibility & contrast

On white

6.60

#1A5F9F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#1A5F9F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1A5F9F

6.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A5F9F	#FFFFFF	#000000	##FFFFFF
##1A5F9F	1.00	6.60	3.18	6.60
#FFFFFF	6.60	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4063A2

Deuteranopia (green-blind)

#2A579E

Tritanopia (blue-blind)

#006E77

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #1a5f9f;
/* rgb */ color: rgb(26, 95, 159);
/* oklch */ color: oklch(47.8% 0.123 251.0);

Tailwind

colors: {
  custom: {
    50: '#6e8bbc',
    500: '#1a5f9f',
    950: '#000000',
  },
}

SCSS

$custom: #1a5f9f;
$custom-light: #6e8bbc;
$custom-dark: #000000;

JSON

{
  "hex": "#1a5f9f",
  "rgb": {
    "r": 26,
    "g": 95,
    "b": 159
  },
  "hsl": {
    "h": 208.872,
    "s": 71.892,
    "l": 36.275
  },
  "oklch": {
    "l": 0.47791,
    "c": 0.12268,
    "h": 251
  },
  "luminance": 0.10907
}

Semantic roles & 50–950 ramp

primary

#1A5F9F

secondary

#C58850

accent

#9039EF

background

#F7F8FB

surface

#EDF0F6

border

#C8CBD0

text

#080C12

muted

#7B7D81

Preview Lab

Preview with #1A5F9F

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

Preview Lab → · Contrast checker → · Palette generator →