#1F5BA6#1F5BA6

#1F5BA6 is a mid, vivid cyan. Relative luminance 0.105; OKLCH L 47.5% C 0.135 H 256.1°. Best body text is #FFFFFF at 6.76:1 contrast (WCAG AA passes).

Color values

HEX	#1F5BA6
RGB	rgb(31, 91, 166)
HSL	hsl(213, 69%, 39%)
HSV	hsv(213, 81%, 65%)
CMYK	cmyk(81.3%, 45.2%, 0%, 34.9%)
CIE-LAB	lab(38.77, 8.96, -45.78)
CIE-LCH	lch(38.77, 46.64, 281.07°)
OKLab	oklab(47.46% -0.0325 -0.1313)
OKLCH	oklch(47.46% 0.135 256.1)
XYZ	xyz(11.1865, 10.5253, 37.5110)
Luminance	0.1053 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F5BA6 #A66A1F

analogous

#1F9EA6 #1F5BA6 #261FA6

triadic

#1F5BA6 #A61F5B #5BA61F

tetradic

#1F5BA6 #A61F9E #A66A1F #1FA626

square

#1F5BA6 #A61F9E #A66A1F #1FA626

split-complementary

#1F5BA6 #A6261F #9EA61F

monochromatic

#0C223F #153F72 #1F5BA6 #2B78D7 #5E98E1

Accessibility & contrast

On white

6.76

#1F5BA6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#1F5BA6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F5BA6

6.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F5BA6	#FFFFFF	#000000	##FFFFFF
##1F5BA6	1.00	6.76	3.11	6.76
#FFFFFF	6.76	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3462A9

Deuteranopia (green-blind)

#1656A5

Tritanopia (blue-blind)

#006D78

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #1f5ba6;
/* rgb */ color: rgb(31, 91, 166);
/* oklch */ color: oklch(47.5% 0.135 256.1);

Tailwind

colors: {
  custom: {
    50: '#7188c1',
    500: '#1f5ba6',
    950: '#000000',
  },
}

SCSS

$custom: #1f5ba6;
$custom-light: #7188c1;
$custom-dark: #000000;

JSON

{
  "hex": "#1f5ba6",
  "rgb": {
    "r": 31,
    "g": 91,
    "b": 166
  },
  "hsl": {
    "h": 213.333,
    "s": 68.528,
    "l": 38.627
  },
  "oklch": {
    "l": 0.47457,
    "c": 0.13527,
    "h": 256.1
  },
  "luminance": 0.10527
}

Semantic roles & 50–950 ramp

primary

#1F5BA6

secondary

#C5965B

accent

#9E3CEB

background

#F7F8FB

surface

#EDEFF7

border

#C8CAD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #1F5BA6

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

Preview Lab → · Contrast checker → · Palette generator →