#1F5BA7#1F5BA7

#1F5BA7 is a mid, vivid cyan. Relative luminance 0.106; OKLCH L 47.5% C 0.137 H 256.3°. Best body text is #FFFFFF at 6.75:1 contrast (WCAG AA passes).

Color values

HEX	#1F5BA7
RGB	rgb(31, 91, 167)
HSL	hsl(214, 69%, 39%)
HSV	hsv(214, 81%, 65%)
CMYK	cmyk(81.4%, 45.5%, 0%, 34.5%)
CIE-LAB	lab(38.83, 9.35, -46.27)
CIE-LCH	lch(38.83, 47.20, 281.43°)
OKLab	oklab(47.53% -0.0323 -0.1327)
OKLCH	oklch(47.53% 0.137 256.3)
XYZ	xyz(11.2786, 10.5621, 37.9960)
Luminance	0.1056 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F5BA7 #A76B1F

analogous

#1F9FA7 #1F5BA7 #271FA7

triadic

#1F5BA7 #A71F5B #5BA71F

tetradic

#1F5BA7 #A71F9F #A76B1F #1FA727

square

#1F5BA7 #A71F9F #A76B1F #1FA727

split-complementary

#1F5BA7 #A7271F #9FA71F

monochromatic

#0C2340 #153F73 #1F5BA7 #2B77D8 #5F99E1

Accessibility & contrast

On white

6.75

#1F5BA7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#1F5BA7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F5BA7

6.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F5BA7	#FFFFFF	#000000	##FFFFFF
##1F5BA7	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)

#3362AA

Deuteranopia (green-blind)

#1456A5

Tritanopia (blue-blind)

#006D79

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #1f5ba7;
/* rgb */ color: rgb(31, 91, 167);
/* oklch */ color: oklch(47.5% 0.137 256.3);

Tailwind

colors: {
  custom: {
    50: '#7188c2',
    500: '#1f5ba7',
    950: '#000000',
  },
}

SCSS

$custom: #1f5ba7;
$custom-light: #7188c2;
$custom-dark: #000000;

JSON

{
  "hex": "#1f5ba7",
  "rgb": {
    "r": 31,
    "g": 91,
    "b": 167
  },
  "hsl": {
    "h": 213.529,
    "s": 68.687,
    "l": 38.824
  },
  "oklch": {
    "l": 0.47527,
    "c": 0.13663,
    "h": 256.3
  },
  "luminance": 0.10563
}

Semantic roles & 50–950 ramp

primary

#1F5BA7

secondary

#C6975C

accent

#9E3CEC

background

#F7F8FC

surface

#EDEFF8

border

#C8CAD1

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #1F5BA7

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

Preview Lab → · Contrast checker → · Palette generator →