#1F659B#1F659B

#1F659B is a mid, moderate cyan. Relative luminance 0.120; OKLCH L 49.1% C 0.110 H 246.4°. Best body text is #FFFFFF at 6.19:1 contrast (WCAG AA passes).

Color values

HEX	#1F659B
RGB	rgb(31, 101, 155)
HSL	hsl(206, 67%, 36%)
HSV	hsv(206, 80%, 61%)
CMYK	cmyk(80%, 34.8%, 0%, 39.2%)
CIE-LAB	lab(41.16, -1.73, -35.42)
CIE-LCH	lch(41.16, 35.46, 267.20°)
OKLab	oklab(49.12% -0.0441 -0.1007)
OKLCH	oklch(49.12% 0.11 246.4)
XYZ	xyz(11.1329, 11.9639, 32.7265)
Luminance	0.1197 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F659B #9B551F

analogous

#1F9B93 #1F659B #1F279B

triadic

#1F659B #9B1F65 #659B1F

tetradic

#1F659B #931F9B #9B551F #279B1F

square

#1F659B #931F9B #9B551F #279B1F

split-complementary

#1F659B #9B1F27 #9B931F

monochromatic

#0B2335 #154468 #1F659B #2986CE #57A3DD

Accessibility & contrast

On white

6.19

#1F659B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#1F659B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F659B

6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F659B	#FFFFFF	#000000	##FFFFFF
##1F659B	1.00	6.19	3.39	6.19
#FFFFFF	6.19	1.00	21.00	1.00
#000000	3.39	21.00	1.00	21.00
##FFFFFF	6.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C679D

Deuteranopia (green-blind)

#3A5C9A

Tritanopia (blue-blind)

#007279

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #1f659b;
/* rgb */ color: rgb(31, 101, 155);
/* oklch */ color: oklch(49.1% 0.110 246.4);

Tailwind

colors: {
  custom: {
    50: '#6f90b9',
    500: '#1f659b',
    950: '#000000',
  },
}

SCSS

$custom: #1f659b;
$custom-light: #6f90b9;
$custom-dark: #000000;

JSON

{
  "hex": "#1f659b",
  "rgb": {
    "r": 31,
    "g": 101,
    "b": 155
  },
  "hsl": {
    "h": 206.129,
    "s": 66.667,
    "l": 36.471
  },
  "oklch": {
    "l": 0.49116,
    "c": 0.10996,
    "h": 246.4
  },
  "luminance": 0.11965
}

Semantic roles & 50–950 ramp

primary

#1F659B

secondary

#C18455

accent

#893EEA

background

#F7F8FB

surface

#EDF0F6

border

#C8CBD0

text

#080C11

muted

#7B7D80

Preview Lab

Preview with #1F659B

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

Preview Lab → · Contrast checker → · Palette generator →