#1F749C#1F749C

#1F749C is a mid, moderate cyan. Relative luminance 0.152; OKLCH L 52.9% C 0.099 H 234.2°. Best body text is #FFFFFF at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#1F749C
RGB	rgb(31, 116, 156)
HSL	hsl(199, 67%, 37%)
HSV	hsv(199, 80%, 61%)
CMYK	cmyk(80.1%, 25.6%, 0%, 38.8%)
CIE-LAB	lab(45.88, -10.38, -28.60)
CIE-LCH	lch(45.88, 30.42, 250.05°)
OKLab	oklab(52.87% -0.0581 -0.0807)
OKLCH	oklch(52.87% 0.099 234.2)
XYZ	xyz(12.8088, 15.1808, 33.7012)
Luminance	0.1518 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F749C #9C471F

analogous

#1F9C86 #1F749C #1F369C

triadic

#1F749C #9C1F74 #749C1F

tetradic

#1F749C #861F9C #9C471F #369C1F

square

#1F749C #861F9C #9C471F #369C1F

split-complementary

#1F749C #9C1F36 #9C861F

monochromatic

#0B2836 #154E69 #1F749C #299ACF #58B3DE

Accessibility & contrast

On white

5.20

#1F749C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.04

#1F749C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F749C

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F749C	#FFFFFF	#000000	##FFFFFF
##1F749C	1.00	5.20	4.04	5.20
#FFFFFF	5.20	1.00	21.00	1.00
#000000	4.04	21.00	1.00	21.00
##FFFFFF	5.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#60739E

Deuteranopia (green-blind)

#50689B

Tritanopia (blue-blind)

#007F82

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #1f749c;
/* rgb */ color: rgb(31, 116, 156);
/* oklch */ color: oklch(52.9% 0.099 234.2);

Tailwind

colors: {
  custom: {
    50: '#6f9cb9',
    500: '#1f749c',
    950: '#000000',
  },
}

SCSS

$custom: #1f749c;
$custom-light: #6f9cb9;
$custom-dark: #000000;

JSON

{
  "hex": "#1f749c",
  "rgb": {
    "r": 31,
    "g": 116,
    "b": 156
  },
  "hsl": {
    "h": 199.2,
    "s": 66.845,
    "l": 36.667
  },
  "oklch": {
    "l": 0.52874,
    "c": 0.09944,
    "h": 234.2
  },
  "luminance": 0.15182
}

Semantic roles & 50–950 ramp

primary

#1F749C

secondary

#C17855

accent

#753EEA

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090E11

muted

#7B7E80

Preview Lab

Preview with #1F749C

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

Preview Lab → · Contrast checker → · Palette generator →