#1F7E9B#1F7E9B

#1F7E9B is a mid, moderate cyan. Relative luminance 0.176; OKLCH L 55.3% C 0.094 H 223.6°. Best body text is #FFFFFF at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#1F7E9B
RGB	rgb(31, 126, 155)
HSL	hsl(194, 67%, 36%)
HSV	hsv(194, 80%, 61%)
CMYK	cmyk(80%, 18.7%, 0%, 39.2%)
CIE-LAB	lab(48.98, -16.41, -23.20)
CIE-LCH	lch(48.98, 28.42, 234.73°)
OKLab	oklab(55.34% -0.0684 -0.065)
OKLCH	oklch(55.34% 0.094 223.6)
XYZ	xyz(13.9399, 17.5779, 33.6622)
Luminance	0.1758 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F7E9B #9B3C1F

analogous

#1F9B7A #1F7E9B #1F409B

triadic

#1F7E9B #9B1F7E #7E9B1F

tetradic

#1F7E9B #7A1F9B #9B3C1F #409B1F

square

#1F7E9B #7A1F9B #9B3C1F #409B1F

split-complementary

#1F7E9B #9B1F40 #9B7A1F

monochromatic

#0B2B35 #155568 #1F7E9B #29A7CE #57BEDD

Accessibility & contrast

On white

4.65

#1F7E9B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.52

#1F7E9B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #1F7E9B

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F7E9B	#FFFFFF	#000000	##FFFFFF
##1F7E9B	1.00	4.65	4.52	4.65
#FFFFFF	4.65	1.00	21.00	1.00
#000000	4.52	21.00	1.00	21.00
##FFFFFF	4.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E7B9C

Deuteranopia (green-blind)

#5D6F9B

Tritanopia (blue-blind)

#008787

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #1f7e9b;
/* rgb */ color: rgb(31, 126, 155);
/* oklch */ color: oklch(55.3% 0.094 223.6);

Tailwind

colors: {
  custom: {
    50: '#70a3b8',
    500: '#1f7e9b',
    950: '#000000',
  },
}

SCSS

$custom: #1f7e9b;
$custom-light: #70a3b8;
$custom-dark: #000000;

JSON

{
  "hex": "#1f7e9b",
  "rgb": {
    "r": 31,
    "g": 126,
    "b": 155
  },
  "hsl": {
    "h": 194.032,
    "s": 66.667,
    "l": 36.471
  },
  "oklch": {
    "l": 0.55338,
    "c": 0.09437,
    "h": 223.6
  },
  "luminance": 0.1758
}

Semantic roles & 50–950 ramp

primary

#1F7E9B

secondary

#C16E55

accent

#663EEA

background

#F7FAFB

surface

#EDF3F6

border

#C8CDD0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #1F7E9B

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

Preview Lab → · Contrast checker → · Palette generator →