#1F6B9F#1F6B9F

#1F6B9F is a mid, moderate cyan. Relative luminance 0.133; OKLCH L 50.8% C 0.109 H 243.7°. Best body text is #FFFFFF at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#1F6B9F
RGB	rgb(31, 107, 159)
HSL	hsl(204, 67%, 37%)
HSV	hsv(204, 81%, 62%)
CMYK	cmyk(80.5%, 32.7%, 0%, 37.6%)
CIE-LAB	lab(43.22, -3.90, -34.53)
CIE-LCH	lch(43.22, 34.75, 263.56°)
OKLab	oklab(50.81% -0.0485 -0.098)
OKLCH	oklch(50.81% 0.109 243.7)
XYZ	xyz(12.0783, 13.3084, 34.7264)
Luminance	0.1331 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F6B9F #9F531F

analogous

#1F9F93 #1F6B9F #1F2B9F

triadic

#1F6B9F #9F1F6B #6B9F1F

tetradic

#1F6B9F #931F9F #9F531F #2B9F1F

square

#1F6B9F #931F9F #9F531F #2B9F1F

split-complementary

#1F6B9F #9F1F2B #9F931F

monochromatic

#0B2639 #15496C #1F6B9F #298DD2 #5AA9DF

Accessibility & contrast

On white

5.73

#1F6B9F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#1F6B9F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F6B9F

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F6B9F	#FFFFFF	#000000	##FFFFFF
##1F6B9F	1.00	5.73	3.66	5.73
#FFFFFF	5.73	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#536DA1

Deuteranopia (green-blind)

#41619E

Tritanopia (blue-blind)

#00787E

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #1f6b9f;
/* rgb */ color: rgb(31, 107, 159);
/* oklch */ color: oklch(50.8% 0.109 243.7);

Tailwind

colors: {
  custom: {
    50: '#7095bb',
    500: '#1f6b9f',
    950: '#000000',
  },
}

SCSS

$custom: #1f6b9f;
$custom-light: #7095bb;
$custom-dark: #000000;

JSON

{
  "hex": "#1f6b9f",
  "rgb": {
    "r": 31,
    "g": 107,
    "b": 159
  },
  "hsl": {
    "h": 204.375,
    "s": 67.368,
    "l": 37.255
  },
  "oklch": {
    "l": 0.50814,
    "c": 0.1094,
    "h": 243.7
  },
  "luminance": 0.1331
}

Semantic roles & 50–950 ramp

primary

#1F6B9F

secondary

#C38357

accent

#843EEA

background

#F7F9FB

surface

#EDF1F6

border

#C8CBD0

text

#090D12

muted

#7B7E81

Preview Lab

Preview with #1F6B9F

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

Preview Lab → · Contrast checker → · Palette generator →