#1C739F#1C739F

#1C739F is a mid, moderate cyan. Relative luminance 0.150; OKLCH L 52.7% C 0.104 H 236.6°. Best body text is #FFFFFF at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#1C739F
RGB	rgb(28, 115, 159)
HSL	hsl(200, 70%, 37%)
HSV	hsv(200, 82%, 62%)
CMYK	cmyk(82.4%, 27.7%, 0%, 37.6%)
CIE-LAB	lab(45.65, -9.00, -30.73)
CIE-LCH	lch(45.65, 32.02, 253.67°)
OKLab	oklab(52.72% -0.0573 -0.0869)
OKLCH	oklch(52.72% 0.104 236.6)
XYZ	xyz(12.8651, 15.0099, 35.0133)
Luminance	0.1501 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C739F #9F481C

analogous

#1C9F8A #1C739F #1C329F

triadic

#1C739F #9F1C73 #739F1C

tetradic

#1C739F #8A1C9F #9F481C #329F1C

square

#1C739F #8A1C9F #9F481C #329F1C

split-complementary

#1C739F #9F1C32 #9F8A1C

monochromatic

#0A2837 #134D6B #1C739F #2599D3 #54B2E1

Accessibility & contrast

On white

5.25

#1C739F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.00

#1C739F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1C739F

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C739F	#FFFFFF	#000000	##FFFFFF
##1C739F	1.00	5.25	4.00	5.25
#FFFFFF	5.25	1.00	21.00	1.00
#000000	4.00	21.00	1.00	21.00
##FFFFFF	5.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E73A1

Deuteranopia (green-blind)

#4C679E

Tritanopia (blue-blind)

#007E82

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #1c739f;
/* rgb */ color: rgb(28, 115, 159);
/* oklch */ color: oklch(52.7% 0.104 236.6);

Tailwind

colors: {
  custom: {
    50: '#6f9bbb',
    500: '#1c739f',
    950: '#000000',
  },
}

SCSS

$custom: #1c739f;
$custom-light: #6f9bbb;
$custom-dark: #000000;

JSON

{
  "hex": "#1c739f",
  "rgb": {
    "r": 28,
    "g": 115,
    "b": 159
  },
  "hsl": {
    "h": 200.153,
    "s": 70.053,
    "l": 36.667
  },
  "oklch": {
    "l": 0.52717,
    "c": 0.10411,
    "h": 236.6
  },
  "luminance": 0.15012
}

Semantic roles & 50–950 ramp

primary

#1C739F

secondary

#C47953

accent

#773BED

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #1C739F

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

Preview Lab → · Contrast checker → · Palette generator →