#1F8BB4#1F8BB4

#1F8BB4 is a mid, moderate cyan. Relative luminance 0.221; OKLCH L 59.8% C 0.110 H 229.6°. Best body text is #000000 at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#1F8BB4
RGB	rgb(31, 139, 180)
HSL	hsl(197, 71%, 41%)
HSV	hsv(197, 83%, 71%)
CMYK	cmyk(82.8%, 22.8%, 0%, 29.4%)
CIE-LAB	lab(54.08, -14.76, -29.76)
CIE-LCH	lch(54.08, 33.22, 243.62°)
OKLab	oklab(59.77% -0.0714 -0.0838)
OKLCH	oklch(59.77% 0.11 229.6)
XYZ	xyz(18.0325, 22.0496, 46.4768)
Luminance	0.2205 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F8BB4 #B4481F

analogous

#1FB493 #1F8BB4 #1F41B4

triadic

#1F8BB4 #B41F8B #8BB41F

tetradic

#1F8BB4 #931FB4 #B4481F #41B41F

square

#1F8BB4 #931FB4 #B4481F #41B41F

split-complementary

#1F8BB4 #B41F41 #B4931F

monochromatic

#0D3A4C #166380 #1F8BB4 #34AEDC #68C3E5

Accessibility & contrast

On white

3.88

#1F8BB4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.41

#1F8BB4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F8BB4

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F8BB4	#FFFFFF	#000000	##000000
##1F8BB4	1.00	3.88	5.41	5.41
#FFFFFF	3.88	1.00	21.00	21.00
#000000	5.41	21.00	1.00	1.00
##000000	5.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7689B6

Deuteranopia (green-blind)

#627BB3

Tritanopia (blue-blind)

#009699

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #1f8bb4;
/* rgb */ color: rgb(31, 139, 180);
/* oklch */ color: oklch(59.8% 0.110 229.6);

Tailwind

colors: {
  custom: {
    50: '#75adca',
    500: '#1f8bb4',
    950: '#000000',
  },
}

SCSS

$custom: #1f8bb4;
$custom-light: #75adca;
$custom-dark: #000000;

JSON

{
  "hex": "#1f8bb4",
  "rgb": {
    "r": 31,
    "g": 139,
    "b": 180
  },
  "hsl": {
    "h": 196.51,
    "s": 70.616,
    "l": 41.373
  },
  "oklch": {
    "l": 0.59773,
    "c": 0.11009,
    "h": 229.6
  },
  "luminance": 0.22052
}

Semantic roles & 50–950 ramp

primary

#1F8BB4

secondary

#CB8064

accent

#6C3AED

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #1F8BB4

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

Preview Lab → · Contrast checker → · Palette generator →