#1F738C#1F738C

#1F738C is a mid, moderate cyan. Relative luminance 0.144; OKLCH L 51.8% C 0.086 H 222.5°. Best body text is #FFFFFF at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#1F738C
RGB	rgb(31, 115, 140)
HSL	hsl(194, 64%, 34%)
HSV	hsv(194, 78%, 55%)
CMYK	cmyk(77.9%, 17.9%, 0%, 45.1%)
CIE-LAB	lab(44.86, -15.57, -20.70)
CIE-LCH	lch(44.86, 25.90, 233.06°)
OKLab	oklab(51.83% -0.0633 -0.058)
OKLCH	oklch(51.83% 0.086 222.5)
XYZ	xyz(11.4275, 14.4448, 26.9917)
Luminance	0.1445 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F738C #8C381F

analogous

#1F8C6E #1F738C #1F3C8C

triadic

#1F738C #8C1F73 #738C1F

tetradic

#1F738C #6E1F8C #8C381F #3C8C1F

square

#1F738C #6E1F8C #8C381F #3C8C1F

split-complementary

#1F738C #8C1F3C #8C6E1F

monochromatic

#092128 #144A5A #1F738C #2A9CBE #4EB8D8

Accessibility & contrast

On white

5.40

#1F738C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.89

#1F738C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F738C

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F738C	#FFFFFF	#000000	##FFFFFF
##1F738C	1.00	5.40	3.89	5.40
#FFFFFF	5.40	1.00	21.00	1.00
#000000	3.89	21.00	1.00	21.00
##FFFFFF	5.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#65708D

Deuteranopia (green-blind)

#56668C

Tritanopia (blue-blind)

#007B7B

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #1f738c;
/* rgb */ color: rgb(31, 115, 140);
/* oklch */ color: oklch(51.8% 0.086 222.5);

Tailwind

colors: {
  custom: {
    50: '#6d9bad',
    500: '#1f738c',
    950: '#000000',
  },
}

SCSS

$custom: #1f738c;
$custom-light: #6d9bad;
$custom-dark: #000000;

JSON

{
  "hex": "#1f738c",
  "rgb": {
    "r": 31,
    "g": 115,
    "b": 140
  },
  "hsl": {
    "h": 193.761,
    "s": 63.743,
    "l": 33.529
  },
  "oklch": {
    "l": 0.5183,
    "c": 0.0858,
    "h": 222.5
  },
  "luminance": 0.14446
}

Semantic roles & 50–950 ramp

primary

#1F738C

secondary

#BB664C

accent

#6741E7

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080E10

muted

#7B7E7F

Preview Lab

Preview with #1F738C

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

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