#1F8FBC#1F8FBC

#1F8FBC is a mid, moderate cyan. Relative luminance 0.236; OKLCH L 61.1% C 0.115 H 231.2°. Best body text is #000000 at 5.71:1 contrast (WCAG AA passes).

Color values

HEX	#1F8FBC
RGB	rgb(31, 143, 188)
HSL	hsl(197, 72%, 43%)
HSV	hsv(197, 84%, 74%)
CMYK	cmyk(83.5%, 23.9%, 0%, 26.3%)
CIE-LAB	lab(55.65, -14.13, -31.88)
CIE-LCH	lch(55.65, 34.87, 246.09°)
OKLab	oklab(61.14% -0.0722 -0.0899)
OKLCH	oklch(61.14% 0.115 231.2)
XYZ	xyz(19.4609, 23.5646, 51.0899)
Luminance	0.2357 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F8FBC #BC4C1F

analogous

#1FBC9A #1F8FBC #1F41BC

triadic

#1F8FBC #BC1F8F #8FBC1F

tetradic

#1F8FBC #9A1FBC #BC4C1F #41BC1F

square

#1F8FBC #9A1FBC #BC4C1F #41BC1F

split-complementary

#1F8FBC #BC1F41 #BC9A1F

monochromatic

#0E3F53 #166787 #1F8FBC #3AAFDE #6EC4E7

Accessibility & contrast

On white

3.68

#1F8FBC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.71

#1F8FBC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F8FBC

5.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F8FBC	#FFFFFF	#000000	##000000
##1F8FBC	1.00	3.68	5.71	5.71
#FFFFFF	3.68	1.00	21.00	21.00
#000000	5.71	21.00	1.00	1.00
##000000	5.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#788DBE

Deuteranopia (green-blind)

#647FBB

Tritanopia (blue-blind)

#009B9E

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #1f8fbc;
/* rgb */ color: rgb(31, 143, 188);
/* oklch */ color: oklch(61.1% 0.115 231.2);

Tailwind

colors: {
  custom: {
    50: '#77afd0',
    500: '#1f8fbc',
    950: '#000000',
  },
}

SCSS

$custom: #1f8fbc;
$custom-light: #77afd0;
$custom-dark: #000000;

JSON

{
  "hex": "#1f8fbc",
  "rgb": {
    "r": 31,
    "g": 143,
    "b": 188
  },
  "hsl": {
    "h": 197.197,
    "s": 71.689,
    "l": 42.941
  },
  "oklch": {
    "l": 0.61142,
    "c": 0.1153,
    "h": 231.2
  },
  "luminance": 0.23567
}

Semantic roles & 50–950 ramp

primary

#1F8FBC

secondary

#CD8669

accent

#6D39EE

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0A1014

muted

#7C7F82

Preview Lab

Preview with #1F8FBC

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

Preview Lab → · Contrast checker → · Palette generator →