#1F5CA8#1F5CA8

#1F5CA8 is a mid, vivid cyan. Relative luminance 0.108; OKLCH L 47.8% C 0.137 H 256.1°. Best body text is #FFFFFF at 6.66:1 contrast (WCAG AA passes).

Color values

HEX	#1F5CA8
RGB	rgb(31, 92, 168)
HSL	hsl(213, 69%, 39%)
HSV	hsv(213, 82%, 66%)
CMYK	cmyk(81.5%, 45.2%, 0%, 34.1%)
CIE-LAB	lab(39.19, 9.09, -46.28)
CIE-LCH	lch(39.19, 47.17, 281.12°)
OKLab	oklab(47.83% -0.033 -0.1328)
OKLCH	oklch(47.83% 0.137 256.1)
XYZ	xyz(11.4575, 10.7714, 38.5134)
Luminance	0.1077 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F5CA8 #A86B1F

analogous

#1FA1A8 #1F5CA8 #271FA8

triadic

#1F5CA8 #A81F5C #5CA81F

tetradic

#1F5CA8 #A81FA1 #A86B1F #1FA827

square

#1F5CA8 #A81FA1 #A86B1F #1FA827

split-complementary

#1F5CA8 #A8271F #A1A81F

monochromatic

#0C2341 #154074 #1F5CA8 #2C79D8 #609AE2

Accessibility & contrast

On white

6.66

#1F5CA8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#1F5CA8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F5CA8

6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F5CA8	#FFFFFF	#000000	##FFFFFF
##1F5CA8	1.00	6.66	3.15	6.66
#FFFFFF	6.66	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3463AB

Deuteranopia (green-blind)

#1657A6

Tritanopia (blue-blind)

#006E7A

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #1f5ca8;
/* rgb */ color: rgb(31, 92, 168);
/* oklch */ color: oklch(47.8% 0.137 256.1);

Tailwind

colors: {
  custom: {
    50: '#7289c2',
    500: '#1f5ca8',
    950: '#000000',
  },
}

SCSS

$custom: #1f5ca8;
$custom-light: #7289c2;
$custom-dark: #000000;

JSON

{
  "hex": "#1f5ca8",
  "rgb": {
    "r": 31,
    "g": 92,
    "b": 168
  },
  "hsl": {
    "h": 213.285,
    "s": 68.844,
    "l": 39.02
  },
  "oklch": {
    "l": 0.47826,
    "c": 0.1368,
    "h": 256.1
  },
  "luminance": 0.10773
}

Semantic roles & 50–950 ramp

primary

#1F5CA8

secondary

#C6975D

accent

#9E3CEC

background

#F7F8FC

surface

#EDF0F8

border

#C8CBD1

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #1F5CA8

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

Preview Lab → · Contrast checker → · Palette generator →