#1F618A#1F618A

#1F618A is a mid, moderate cyan. Relative luminance 0.107; OKLCH L 47.1% C 0.093 H 240.6°. Best body text is #FFFFFF at 6.70:1 contrast (WCAG AA passes).

Color values

HEX	#1F618A
RGB	rgb(31, 97, 138)
HSL	hsl(203, 63%, 33%)
HSV	hsv(203, 78%, 54%)
CMYK	cmyk(77.5%, 29.7%, 0%, 45.9%)
CIE-LAB	lab(39.03, -5.75, -28.57)
CIE-LCH	lch(39.03, 29.15, 258.62°)
OKLab	oklab(47.14% -0.0456 -0.0808)
OKLCH	oklch(47.14% 0.093 240.6)
XYZ	xyz(9.4254, 10.6746, 25.6035)
Luminance	0.1068 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F618A #8A481F

analogous

#1F8A7D #1F618A #1F2B8A

triadic

#1F618A #8A1F61 #618A1F

tetradic

#1F618A #7D1F8A #8A481F #2B8A1F

square

#1F618A #7D1F8A #8A481F #2B8A1F

split-complementary

#1F618A #8A1F2B #8A7D1F

monochromatic

#091B26 #143E58 #1F618A #2A84BC #4CA2D7

Accessibility & contrast

On white

6.70

#1F618A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#1F618A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F618A

6.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F618A	#FFFFFF	#000000	##FFFFFF
##1F618A	1.00	6.70	3.14	6.70
#FFFFFF	6.70	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E618C

Deuteranopia (green-blind)

#3F5789

Tritanopia (blue-blind)

#006B6F

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #1f618a;
/* rgb */ color: rgb(31, 97, 138);
/* oklch */ color: oklch(47.1% 0.093 240.6);

Tailwind

colors: {
  custom: {
    50: '#6b8dac',
    500: '#1f618a',
    950: '#000000',
  },
}

SCSS

$custom: #1f618a;
$custom-light: #6b8dac;
$custom-dark: #000000;

JSON

{
  "hex": "#1f618a",
  "rgb": {
    "r": 31,
    "g": 97,
    "b": 138
  },
  "hsl": {
    "h": 202.991,
    "s": 63.314,
    "l": 33.137
  },
  "oklch": {
    "l": 0.47143,
    "c": 0.09279,
    "h": 240.6
  },
  "luminance": 0.10676
}

Semantic roles & 50–950 ramp

primary

#1F618A

secondary

#BA754B

accent

#8141E6

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#080C10

muted

#7A7D7F

Preview Lab

Preview with #1F618A

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

Preview Lab → · Contrast checker → · Palette generator →