#1A5E9F#1A5E9F

#1A5E9F is a mid, vivid cyan. Relative luminance 0.107; OKLCH L 47.6% C 0.124 H 251.6°. Best body text is #FFFFFF at 6.68:1 contrast (WCAG AA passes).

Color values

HEX	#1A5E9F
RGB	rgb(26, 94, 159)
HSL	hsl(209, 72%, 36%)
HSV	hsv(209, 84%, 62%)
CMYK	cmyk(83.6%, 40.9%, 0%, 37.6%)
CIE-LAB	lab(39.12, 3.74, -41.06)
CIE-LCH	lch(39.12, 41.23, 275.20°)
OKLab	oklab(47.55% -0.0391 -0.1174)
OKLCH	oklch(47.55% 0.124 251.6)
XYZ	xyz(10.6843, 10.7269, 34.3015)
Luminance	0.1073 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A5E9F #9F5B1A

analogous

#1A9F9E #1A5E9F #1A1C9F

triadic

#1A5E9F #9F1A5E #5E9F1A

tetradic

#1A5E9F #9E1A9F #9F5B1A #1C9F1A

square

#1A5E9F #9E1A9F #9F5B1A #1C9F1A

split-complementary

#1A5E9F #9F1A1C #9F9E1A

monochromatic

#092036 #113F6A #1A5E9F #237DD4 #519BE3

Accessibility & contrast

On white

6.68

#1A5E9F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#1A5E9F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1A5E9F

6.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A5E9F	#FFFFFF	#000000	##FFFFFF
##1A5E9F	1.00	6.68	3.15	6.68
#FFFFFF	6.68	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E63A2

Deuteranopia (green-blind)

#28579E

Tritanopia (blue-blind)

#006E76

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #1a5e9f;
/* rgb */ color: rgb(26, 94, 159);
/* oklch */ color: oklch(47.6% 0.124 251.6);

Tailwind

colors: {
  custom: {
    50: '#6e8bbc',
    500: '#1a5e9f',
    950: '#000000',
  },
}

SCSS

$custom: #1a5e9f;
$custom-light: #6e8bbc;
$custom-dark: #000000;

JSON

{
  "hex": "#1a5e9f",
  "rgb": {
    "r": 26,
    "g": 94,
    "b": 159
  },
  "hsl": {
    "h": 209.323,
    "s": 71.892,
    "l": 36.275
  },
  "oklch": {
    "l": 0.47553,
    "c": 0.12377,
    "h": 251.6
  },
  "luminance": 0.10728
}

Semantic roles & 50–950 ramp

primary

#1A5E9F

secondary

#C58950

accent

#9239EF

background

#F7F8FB

surface

#EDF0F6

border

#C8CBD0

text

#080B12

muted

#7B7C81

Preview Lab

Preview with #1A5E9F

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

Preview Lab → · Contrast checker → · Palette generator →