#1F5FAA#1F5FAA

#1F5FAA is a mid, vivid cyan. Relative luminance 0.114; OKLCH L 48.7% C 0.136 H 255.1°. Best body text is #FFFFFF at 6.41:1 contrast (WCAG AA passes).

Color values

HEX	#1F5FAA
RGB	rgb(31, 95, 170)
HSL	hsl(212, 69%, 39%)
HSV	hsv(212, 82%, 67%)
CMYK	cmyk(81.8%, 44.1%, 0%, 33.3%)
CIE-LAB	lab(40.21, 7.93, -45.84)
CIE-LCH	lch(40.21, 46.52, 279.82°)
OKLab	oklab(48.65% -0.035 -0.1314)
OKLCH	oklch(48.65% 0.136 255.1)
XYZ	xyz(11.9103, 11.3766, 39.5906)
Luminance	0.1138 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F5FAA #AA6A1F

analogous

#1FA5AA #1F5FAA #251FAA

triadic

#1F5FAA #AA1F5F #5FAA1F

tetradic

#1F5FAA #AA1FA5 #AA6A1F #1FAA25

square

#1F5FAA #AA1FA5 #AA6A1F #1FAA25

split-complementary

#1F5FAA #AA251F #A5AA1F

monochromatic

#0C2542 #164276 #1F5FAA #2D7CD9 #619DE2

Accessibility & contrast

On white

6.41

#1F5FAA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#1F5FAA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F5FAA

6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F5FAA	#FFFFFF	#000000	##FFFFFF
##1F5FAA	1.00	6.41	3.28	6.41
#FFFFFF	6.41	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3865AD

Deuteranopia (green-blind)

#1C59A9

Tritanopia (blue-blind)

#00717C

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #1f5faa;
/* rgb */ color: rgb(31, 95, 170);
/* oklch */ color: oklch(48.7% 0.136 255.1);

Tailwind

colors: {
  custom: {
    50: '#728bc4',
    500: '#1f5faa',
    950: '#000000',
  },
}

SCSS

$custom: #1f5faa;
$custom-light: #728bc4;
$custom-dark: #000000;

JSON

{
  "hex": "#1f5faa",
  "rgb": {
    "r": 31,
    "g": 95,
    "b": 170
  },
  "hsl": {
    "h": 212.374,
    "s": 69.154,
    "l": 39.412
  },
  "oklch": {
    "l": 0.48654,
    "c": 0.136,
    "h": 255.1
  },
  "luminance": 0.11378
}

Semantic roles & 50–950 ramp

primary

#1F5FAA

secondary

#C7975E

accent

#9B3CEC

background

#F7F8FC

surface

#EDF0F8

border

#C8CBD1

text

#090C13

muted

#7B7D82

Preview Lab

Preview with #1F5FAA

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

Preview Lab → · Contrast checker → · Palette generator →