#1A5C9F#1A5C9F

#1A5C9F is a mid, vivid cyan. Relative luminance 0.104; OKLCH L 47.1% C 0.126 H 252.7°. Best body text is #FFFFFF at 6.83:1 contrast (WCAG AA passes).

Color values

HEX	#1A5C9F
RGB	rgb(26, 92, 159)
HSL	hsl(210, 72%, 36%)
HSV	hsv(210, 84%, 62%)
CMYK	cmyk(83.6%, 42.1%, 0%, 37.6%)
CIE-LAB	lab(38.51, 5.03, -42.03)
CIE-LCH	lch(38.51, 42.33, 276.82°)
OKLab	oklab(47.08% -0.0374 -0.1203)
OKLCH	oklch(47.08% 0.126 252.7)
XYZ	xyz(10.5088, 10.3758, 34.2430)
Luminance	0.1038 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A5C9F #9F5D1A

analogous

#1A9F9F #1A5C9F #1B1A9F

triadic

#1A5C9F #9F1A5C #5C9F1A

tetradic

#1A5C9F #9F1A9F #9F5D1A #1A9F1B

square

#1A5C9F #9F1A9F #9F5D1A #1A9F1B

split-complementary

#1A5C9F #9F1B1A #9F9F1A

monochromatic

#091F36 #113E6A #1A5C9F #237AD4 #5199E3

Accessibility & contrast

On white

6.83

#1A5C9F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#1A5C9F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1A5C9F

6.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A5C9F	#FFFFFF	#000000	##FFFFFF
##1A5C9F	1.00	6.83	3.08	6.83
#FFFFFF	6.83	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B61A2

Deuteranopia (green-blind)

#23559E

Tritanopia (blue-blind)

#006C75

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #1a5c9f;
/* rgb */ color: rgb(26, 92, 159);
/* oklch */ color: oklch(47.1% 0.126 252.7);

Tailwind

colors: {
  custom: {
    50: '#6e89bc',
    500: '#1a5c9f',
    950: '#000000',
  },
}

SCSS

$custom: #1a5c9f;
$custom-light: #6e89bc;
$custom-dark: #000000;

JSON

{
  "hex": "#1a5c9f",
  "rgb": {
    "r": 26,
    "g": 92,
    "b": 159
  },
  "hsl": {
    "h": 210.226,
    "s": 71.892,
    "l": 36.275
  },
  "oklch": {
    "l": 0.47079,
    "c": 0.12601,
    "h": 252.7
  },
  "luminance": 0.10377
}

Semantic roles & 50–950 ramp

primary

#1A5C9F

secondary

#C58B50

accent

#9539EF

background

#F7F8FB

surface

#EDF0F6

border

#C8CBD0

text

#080B12

muted

#7B7C81

Preview Lab

Preview with #1A5C9F

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

Preview Lab → · Contrast checker → · Palette generator →