#1C5FA9#1C5FA9

#1C5FA9 is a mid, vivid cyan. Relative luminance 0.113; OKLCH L 48.5% C 0.135 H 254.3°. Best body text is #FFFFFF at 6.44:1 contrast (WCAG AA passes).

Color values

HEX	#1C5FA9
RGB	rgb(28, 95, 169)
HSL	hsl(211, 72%, 39%)
HSV	hsv(211, 83%, 66%)
CMYK	cmyk(83.4%, 43.8%, 0%, 33.7%)
CIE-LAB	lab(40.07, 7.25, -45.47)
CIE-LCH	lch(40.07, 46.04, 279.06°)
OKLab	oklab(48.51% -0.0367 -0.1303)
OKLCH	oklch(48.51% 0.135 254.3)
XYZ	xyz(11.7298, 11.2944, 39.0902)
Luminance	0.1130 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C5FA9 #A9661C

analogous

#1CA5A9 #1C5FA9 #1F1CA9

triadic

#1C5FA9 #A91C5F #5FA91C

tetradic

#1C5FA9 #A91CA5 #A9661C #1CA91F

square

#1C5FA9 #A91CA5 #A9661C #1CA91F

split-complementary

#1C5FA9 #A91F1C #A5A91C

monochromatic

#0B2440 #134174 #1C5FA9 #277DDB #5B9CE4

Accessibility & contrast

On white

6.44

#1C5FA9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.26

#1C5FA9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1C5FA9

6.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C5FA9	#FFFFFF	#000000	##FFFFFF
##1C5FA9	1.00	6.44	3.26	6.44
#FFFFFF	6.44	1.00	21.00	1.00
#000000	3.26	21.00	1.00	21.00
##FFFFFF	6.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3965AC

Deuteranopia (green-blind)

#1D59A8

Tritanopia (blue-blind)

#00717B

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #1c5fa9;
/* rgb */ color: rgb(28, 95, 169);
/* oklch */ color: oklch(48.5% 0.135 254.3);

Tailwind

colors: {
  custom: {
    50: '#718bc3',
    500: '#1c5fa9',
    950: '#000000',
  },
}

SCSS

$custom: #1c5fa9;
$custom-light: #718bc3;
$custom-dark: #000000;

JSON

{
  "hex": "#1c5fa9",
  "rgb": {
    "r": 28,
    "g": 95,
    "b": 169
  },
  "hsl": {
    "h": 211.489,
    "s": 71.574,
    "l": 38.627
  },
  "oklch": {
    "l": 0.48507,
    "c": 0.13543,
    "h": 254.3
  },
  "luminance": 0.11296
}

Semantic roles & 50–950 ramp

primary

#1C5FA9

secondary

#C89359

accent

#9839EE

background

#F7F8FC

surface

#EDF0F8

border

#C8CBD1

text

#090C12

muted

#7B7D81

Preview Lab

Preview with #1C5FA9

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

Preview Lab → · Contrast checker → · Palette generator →