#1F8FB1#1F8FB1

#1F8FB1 is a mid, moderate cyan. Relative luminance 0.231; OKLCH L 60.6% C 0.106 H 224.1°. Best body text is #000000 at 5.62:1 contrast (WCAG AA passes).

Color values

HEX	#1F8FB1
RGB	rgb(31, 143, 177)
HSL	hsl(194, 70%, 41%)
HSV	hsv(194, 82%, 69%)
CMYK	cmyk(82.5%, 19.2%, 0%, 30.6%)
CIE-LAB	lab(55.18, -18.00, -26.33)
CIE-LCH	lch(55.18, 31.90, 235.64°)
OKLab	oklab(60.62% -0.0763 -0.0739)
OKLCH	oklch(60.62% 0.106 224.1)
XYZ	xyz(18.3200, 23.1082, 45.0812)
Luminance	0.2311 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F8FB1 #B1411F

analogous

#1FB18A #1F8FB1 #1F46B1

triadic

#1F8FB1 #B11F8F #8FB11F

tetradic

#1F8FB1 #8A1FB1 #B1411F #46B11F

square

#1F8FB1 #8A1FB1 #B1411F #46B11F

split-complementary

#1F8FB1 #B11F46 #B18A1F

monochromatic

#0D3B49 #16657D #1F8FB1 #32B4DB #66C7E4

Accessibility & contrast

On white

3.74

#1F8FB1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.62

#1F8FB1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F8FB1

5.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F8FB1	#FFFFFF	#000000	##000000
##1F8FB1	1.00	3.74	5.62	5.62
#FFFFFF	3.74	1.00	21.00	21.00
#000000	5.62	21.00	1.00	1.00
##000000	5.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C8CB3

Deuteranopia (green-blind)

#697EB1

Tritanopia (blue-blind)

#00999A

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #1f8fb1;
/* rgb */ color: rgb(31, 143, 177);
/* oklch */ color: oklch(60.6% 0.106 224.1);

Tailwind

colors: {
  custom: {
    50: '#75b0c8',
    500: '#1f8fb1',
    950: '#000000',
  },
}

SCSS

$custom: #1f8fb1;
$custom-light: #75b0c8;
$custom-dark: #000000;

JSON

{
  "hex": "#1f8fb1",
  "rgb": {
    "r": 31,
    "g": 143,
    "b": 177
  },
  "hsl": {
    "h": 193.973,
    "s": 70.192,
    "l": 40.784
  },
  "oklch": {
    "l": 0.60616,
    "c": 0.10623,
    "h": 224.1
  },
  "luminance": 0.23111
}

Semantic roles & 50–950 ramp

primary

#1F8FB1

secondary

#CA7A62

accent

#643BED

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #1F8FB1

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

Preview Lab → · Contrast checker → · Palette generator →