#1F789B#1F789B

#1F789B is a mid, moderate cyan. Relative luminance 0.161; OKLCH L 53.8% C 0.096 H 229.7°. Best body text is #FFFFFF at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#1F789B
RGB	rgb(31, 120, 155)
HSL	hsl(197, 67%, 36%)
HSV	hsv(197, 80%, 61%)
CMYK	cmyk(80%, 22.6%, 0%, 39.2%)
CIE-LAB	lab(47.09, -13.04, -26.12)
CIE-LCH	lch(47.09, 29.20, 243.47°)
OKLab	oklab(53.83% -0.0624 -0.0735)
OKLCH	oklch(53.83% 0.096 229.7)
XYZ	xyz(13.1955, 16.0892, 33.4141)
Luminance	0.1609 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F789B #9B421F

analogous

#1F9B80 #1F789B #1F3A9B

triadic

#1F789B #9B1F78 #789B1F

tetradic

#1F789B #801F9B #9B421F #3A9B1F

square

#1F789B #801F9B #9B421F #3A9B1F

split-complementary

#1F789B #9B1F3A #9B801F

monochromatic

#0B2935 #155168 #1F789B #299FCE #57B7DD

Accessibility & contrast

On white

4.98

#1F789B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.22

#1F789B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F789B

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F789B	#FFFFFF	#000000	##FFFFFF
##1F789B	1.00	4.98	4.22	4.98
#FFFFFF	4.98	1.00	21.00	1.00
#000000	4.22	21.00	1.00	21.00
##FFFFFF	4.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#66769D

Deuteranopia (green-blind)

#566B9B

Tritanopia (blue-blind)

#008284

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #1f789b;
/* rgb */ color: rgb(31, 120, 155);
/* oklch */ color: oklch(53.8% 0.096 229.7);

Tailwind

colors: {
  custom: {
    50: '#709fb8',
    500: '#1f789b',
    950: '#000000',
  },
}

SCSS

$custom: #1f789b;
$custom-light: #709fb8;
$custom-dark: #000000;

JSON

{
  "hex": "#1f789b",
  "rgb": {
    "r": 31,
    "g": 120,
    "b": 155
  },
  "hsl": {
    "h": 196.935,
    "s": 66.667,
    "l": 36.471
  },
  "oklch": {
    "l": 0.53825,
    "c": 0.09643,
    "h": 229.7
  },
  "luminance": 0.16091
}

Semantic roles & 50–950 ramp

primary

#1F789B

secondary

#C17355

accent

#6F3EEA

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090E11

muted

#7B7E80

Preview Lab

Preview with #1F789B

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

Preview Lab → · Contrast checker → · Palette generator →