#1F8BA4#1F8BA4

#1F8BA4 is a mid, moderate cyan. Relative luminance 0.214; OKLCH L 59.0% C 0.098 H 217.9°. Best body text is #000000 at 5.29:1 contrast (WCAG AA passes).

Color values

HEX	#1F8BA4
RGB	rgb(31, 139, 164)
HSL	hsl(191, 68%, 38%)
HSV	hsv(191, 81%, 64%)
CMYK	cmyk(81.1%, 15.2%, 0%, 35.7%)
CIE-LAB	lab(53.42, -20.33, -21.59)
CIE-LCH	lch(53.42, 29.66, 226.72°)
OKLab	oklab(59.03% -0.0776 -0.0604)
OKLCH	oklch(59.03% 0.098 217.9)
XYZ	xyz(16.4957, 21.4348, 38.3827)
Luminance	0.2144 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F8BA4 #A4381F

analogous

#1FA47A #1F8BA4 #1F48A4

triadic

#1F8BA4 #A41F8B #8BA41F

tetradic

#1F8BA4 #7A1FA4 #A4381F #48A41F

square

#1F8BA4 #7A1FA4 #A4381F #48A41F

split-complementary

#1F8BA4 #A41F48 #A47A1F

monochromatic

#0C343D #155F71 #1F8BA4 #2AB6D7 #5DC8E0

Accessibility & contrast

On white

3.97

#1F8BA4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.29

#1F8BA4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F8BA4

5.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F8BA4	#FFFFFF	#000000	##000000
##1F8BA4	1.00	3.97	5.29	5.29
#FFFFFF	3.97	1.00	21.00	21.00
#000000	5.29	21.00	1.00	1.00
##000000	5.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B87A5

Deuteranopia (green-blind)

#697AA4

Tritanopia (blue-blind)

#009493

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #1f8ba4;
/* rgb */ color: rgb(31, 139, 164);
/* oklch */ color: oklch(59.0% 0.098 217.9);

Tailwind

colors: {
  custom: {
    50: '#73adbf',
    500: '#1f8ba4',
    950: '#000000',
  },
}

SCSS

$custom: #1f8ba4;
$custom-light: #73adbf;
$custom-dark: #000000;

JSON

{
  "hex": "#1f8ba4",
  "rgb": {
    "r": 31,
    "g": 139,
    "b": 164
  },
  "hsl": {
    "h": 191.278,
    "s": 68.205,
    "l": 38.235
  },
  "oklch": {
    "l": 0.59028,
    "c": 0.09831,
    "h": 217.9
  },
  "luminance": 0.21437
}

Semantic roles & 50–950 ramp

primary

#1F8BA4

secondary

#C56E5A

accent

#5E3DEB

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#091012

muted

#7B7F81

Preview Lab

Preview with #1F8BA4

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

Preview Lab → · Contrast checker → · Palette generator →