#1F5FA6#1F5FA6

#1F5FA6 is a mid, vivid cyan. Relative luminance 0.112; OKLCH L 48.4% C 0.131 H 254.1°. Best body text is #FFFFFF at 6.47:1 contrast (WCAG AA passes).

Color values

HEX	#1F5FA6
RGB	rgb(31, 95, 166)
HSL	hsl(212, 69%, 39%)
HSV	hsv(212, 81%, 65%)
CMYK	cmyk(81.3%, 42.8%, 0%, 34.9%)
CIE-LAB	lab(39.96, 6.36, -43.87)
CIE-LCH	lch(39.96, 44.32, 278.25°)
OKLab	oklab(48.38% -0.0359 -0.1256)
OKLCH	oklch(48.38% 0.131 254.1)
XYZ	xyz(11.5376, 11.2275, 37.6280)
Luminance	0.1123 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F5FA6 #A6661F

analogous

#1FA2A6 #1F5FA6 #231FA6

triadic

#1F5FA6 #A61F5F #5FA61F

tetradic

#1F5FA6 #A61FA2 #A6661F #1FA623

square

#1F5FA6 #A61FA2 #A6661F #1FA623

split-complementary

#1F5FA6 #A6231F #A2A61F

monochromatic

#0C243F #154172 #1F5FA6 #2B7DD7 #5E9CE1

Accessibility & contrast

On white

6.47

#1F5FA6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#1F5FA6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F5FA6

6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F5FA6	#FFFFFF	#000000	##FFFFFF
##1F5FA6	1.00	6.47	3.25	6.47
#FFFFFF	6.47	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B65A9

Deuteranopia (green-blind)

#2359A5

Tritanopia (blue-blind)

#00707A

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #1f5fa6;
/* rgb */ color: rgb(31, 95, 166);
/* oklch */ color: oklch(48.4% 0.131 254.1);

Tailwind

colors: {
  custom: {
    50: '#718bc1',
    500: '#1f5fa6',
    950: '#000000',
  },
}

SCSS

$custom: #1f5fa6;
$custom-light: #718bc1;
$custom-dark: #000000;

JSON

{
  "hex": "#1f5fa6",
  "rgb": {
    "r": 31,
    "g": 95,
    "b": 166
  },
  "hsl": {
    "h": 211.556,
    "s": 68.528,
    "l": 38.627
  },
  "oklch": {
    "l": 0.48382,
    "c": 0.13063,
    "h": 254.1
  },
  "luminance": 0.11229
}

Semantic roles & 50–950 ramp

primary

#1F5FA6

secondary

#C5935B

accent

#983CEB

background

#F7F8FB

surface

#EDF0F7

border

#C8CBD0

text

#090C12

muted

#7B7D81

Preview Lab

Preview with #1F5FA6

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

Preview Lab → · Contrast checker → · Palette generator →