#1A5D9F#1A5D9F

#1A5D9F is a mid, vivid cyan. Relative luminance 0.106; OKLCH L 47.3% C 0.125 H 252.1°. Best body text is #FFFFFF at 6.75:1 contrast (WCAG AA passes).

Color values

HEX	#1A5D9F
RGB	rgb(26, 93, 159)
HSL	hsl(210, 72%, 36%)
HSV	hsv(210, 84%, 62%)
CMYK	cmyk(83.6%, 41.5%, 0%, 37.6%)
CIE-LAB	lab(38.81, 4.38, -41.54)
CIE-LCH	lch(38.81, 41.77, 276.02°)
OKLab	oklab(47.32% -0.0383 -0.1189)
OKLCH	oklch(47.32% 0.125 252.1)
XYZ	xyz(10.5960, 10.5502, 34.2721)
Luminance	0.1055 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A5D9F #9F5C1A

analogous

#1A9F9F #1A5D9F #1A1B9F

triadic

#1A5D9F #9F1A5D #5D9F1A

tetradic

#1A5D9F #9F1A9F #9F5C1A #1B9F1A

square

#1A5D9F #9F1A9F #9F5C1A #1B9F1A

split-complementary

#1A5D9F #9F1A1B #9F9F1A

monochromatic

#091F36 #113E6A #1A5D9F #237CD4 #519AE3

Accessibility & contrast

On white

6.75

#1A5D9F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#1A5D9F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1A5D9F

6.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A5D9F	#FFFFFF	#000000	##FFFFFF
##1A5D9F	1.00	6.75	3.11	6.75
#FFFFFF	6.75	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C62A2

Deuteranopia (green-blind)

#26569E

Tritanopia (blue-blind)

#006D76

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #1a5d9f;
/* rgb */ color: rgb(26, 93, 159);
/* oklch */ color: oklch(47.3% 0.125 252.1);

Tailwind

colors: {
  custom: {
    50: '#6e8abc',
    500: '#1a5d9f',
    950: '#000000',
  },
}

SCSS

$custom: #1a5d9f;
$custom-light: #6e8abc;
$custom-dark: #000000;

JSON

{
  "hex": "#1a5d9f",
  "rgb": {
    "r": 26,
    "g": 93,
    "b": 159
  },
  "hsl": {
    "h": 209.774,
    "s": 71.892,
    "l": 36.275
  },
  "oklch": {
    "l": 0.47315,
    "c": 0.12489,
    "h": 252.1
  },
  "luminance": 0.10552
}

Semantic roles & 50–950 ramp

primary

#1A5D9F

secondary

#C58A50

accent

#9339EF

background

#F7F8FB

surface

#EDF0F6

border

#C8CBD0

text

#080B12

muted

#7B7C81

Preview Lab

Preview with #1A5D9F

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

Preview Lab → · Contrast checker → · Palette generator →