#1F748A#1F748A

#1F748A is a mid, moderate cyan. Relative luminance 0.146; OKLCH L 52.0% C 0.084 H 219.4°. Best body text is #FFFFFF at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#1F748A
RGB	rgb(31, 116, 138)
HSL	hsl(192, 63%, 33%)
HSV	hsv(192, 78%, 54%)
CMYK	cmyk(77.5%, 15.9%, 0%, 45.9%)
CIE-LAB	lab(45.10, -16.82, -19.14)
CIE-LCH	lch(45.10, 25.48, 228.69°)
OKLab	oklab(52% -0.0651 -0.0535)
OKLCH	oklch(52% 0.084 219.4)
XYZ	xyz(11.3960, 14.6157, 26.2603)
Luminance	0.1462 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F748A #8A351F

analogous

#1F8A6A #1F748A #1F3F8A

triadic

#1F748A #8A1F74 #748A1F

tetradic

#1F748A #6A1F8A #8A351F #3F8A1F

square

#1F748A #6A1F8A #8A351F #3F8A1F

split-complementary

#1F748A #8A1F3F #8A6A1F

monochromatic

#092026 #144A58 #1F748A #2A9EBC #4CBAD7

Accessibility & contrast

On white

5.35

#1F748A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.92

#1F748A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F748A

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F748A	#FFFFFF	#000000	##FFFFFF
##1F748A	1.00	5.35	3.92	5.35
#FFFFFF	5.35	1.00	21.00	1.00
#000000	3.92	21.00	1.00	21.00
##FFFFFF	5.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#66718B

Deuteranopia (green-blind)

#58668A

Tritanopia (blue-blind)

#007B7B

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #1f748a;
/* rgb */ color: rgb(31, 116, 138);
/* oklch */ color: oklch(52.0% 0.084 219.4);

Tailwind

colors: {
  custom: {
    50: '#6c9cac',
    500: '#1f748a',
    950: '#000000',
  },
}

SCSS

$custom: #1f748a;
$custom-light: #6c9cac;
$custom-dark: #000000;

JSON

{
  "hex": "#1f748a",
  "rgb": {
    "r": 31,
    "g": 116,
    "b": 138
  },
  "hsl": {
    "h": 192.336,
    "s": 63.314,
    "l": 33.137
  },
  "oklch": {
    "l": 0.51995,
    "c": 0.08429,
    "h": 219.4
  },
  "luminance": 0.14617
}

Semantic roles & 50–950 ramp

primary

#1F748A

secondary

#BA624B

accent

#6341E6

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080E10

muted

#7B7E7F

Preview Lab

Preview with #1F748A

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

Preview Lab → · Contrast checker → · Palette generator →