#1F70A5#1F70A5

#1F70A5 is a mid, moderate cyan. Relative luminance 0.146; OKLCH L 52.4% C 0.112 H 242.8°. Best body text is #FFFFFF at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#1F70A5
RGB	rgb(31, 112, 165)
HSL	hsl(204, 68%, 38%)
HSV	hsv(204, 81%, 65%)
CMYK	cmyk(81.2%, 32.1%, 0%, 35.3%)
CIE-LAB	lab(45.07, -4.66, -35.16)
CIE-LCH	lch(45.07, 35.47, 262.45°)
OKLab	oklab(52.38% -0.0513 -0.0998)
OKLCH	oklch(52.38% 0.112 242.8)
XYZ	xyz(13.1481, 14.5946, 37.7141)
Luminance	0.1460 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F70A5 #A5541F

analogous

#1FA597 #1F70A5 #1F2DA5

triadic

#1F70A5 #A51F70 #70A51F

tetradic

#1F70A5 #971FA5 #A5541F #2DA51F

square

#1F70A5 #971FA5 #A5541F #2DA51F

split-complementary

#1F70A5 #A51F2D #A5971F

monochromatic

#0C2A3E #154D71 #1F70A5 #2A93D7 #5EADE1

Accessibility & contrast

On white

5.36

#1F70A5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.92

#1F70A5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F70A5

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F70A5	#FFFFFF	#000000	##FFFFFF
##1F70A5	1.00	5.36	3.92	5.36
#FFFFFF	5.36	1.00	21.00	1.00
#000000	3.92	21.00	1.00	21.00
##FFFFFF	5.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5771A7

Deuteranopia (green-blind)

#4565A4

Tritanopia (blue-blind)

#007D83

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #1f70a5;
/* rgb */ color: rgb(31, 112, 165);
/* oklch */ color: oklch(52.4% 0.112 242.8);

Tailwind

colors: {
  custom: {
    50: '#7198c0',
    500: '#1f70a5',
    950: '#000000',
  },
}

SCSS

$custom: #1f70a5;
$custom-light: #7198c0;
$custom-dark: #000000;

JSON

{
  "hex": "#1f70a5",
  "rgb": {
    "r": 31,
    "g": 112,
    "b": 165
  },
  "hsl": {
    "h": 203.731,
    "s": 68.367,
    "l": 38.431
  },
  "oklch": {
    "l": 0.52377,
    "c": 0.11221,
    "h": 242.8
  },
  "luminance": 0.14596
}

Semantic roles & 50–950 ramp

primary

#1F70A5

secondary

#C5855B

accent

#823DEB

background

#F7F9FB

surface

#EDF2F7

border

#C8CCD0

text

#090D12

muted

#7B7E81

Preview Lab

Preview with #1F70A5

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

Preview Lab → · Contrast checker → · Palette generator →