#1F6598#1F6598

#1F6598 is a mid, moderate cyan. Relative luminance 0.119; OKLCH L 48.9% C 0.106 H 244.9°. Best body text is #FFFFFF at 6.23:1 contrast (WCAG AA passes).

Color values

HEX	#1F6598
RGB	rgb(31, 101, 152)
HSL	hsl(205, 66%, 36%)
HSV	hsv(205, 80%, 60%)
CMYK	cmyk(79.6%, 33.6%, 0%, 40.4%)
CIE-LAB	lab(41.00, -2.89, -33.88)
CIE-LCH	lch(41.00, 34.01, 265.13°)
OKLab	oklab(48.94% -0.045 -0.0962)
OKLCH	oklch(48.94% 0.106 244.9)
XYZ	xyz(10.8841, 11.8644, 31.4161)
Luminance	0.1187 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F6598 #98521F

analogous

#1F988E #1F6598 #1F2998

triadic

#1F6598 #981F65 #65981F

tetradic

#1F6598 #8E1F98 #98521F #29981F

square

#1F6598 #8E1F98 #98521F #29981F

split-complementary

#1F6598 #981F29 #988E1F

monochromatic

#0A2132 #154365 #1F6598 #2987CB #55A3DC

Accessibility & contrast

On white

6.23

#1F6598 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#1F6598 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F6598

6.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F6598	#FFFFFF	#000000	##FFFFFF
##1F6598	1.00	6.23	3.37	6.23
#FFFFFF	6.23	1.00	21.00	1.00
#000000	3.37	21.00	1.00	21.00
##FFFFFF	6.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D679A

Deuteranopia (green-blind)

#3C5C97

Tritanopia (blue-blind)

#007177

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #1f6598;
/* rgb */ color: rgb(31, 101, 152);
/* oklch */ color: oklch(48.9% 0.106 244.9);

Tailwind

colors: {
  custom: {
    50: '#6e90b6',
    500: '#1f6598',
    950: '#000000',
  },
}

SCSS

$custom: #1f6598;
$custom-light: #6e90b6;
$custom-dark: #000000;

JSON

{
  "hex": "#1f6598",
  "rgb": {
    "r": 31,
    "g": 101,
    "b": 152
  },
  "hsl": {
    "h": 205.289,
    "s": 66.12,
    "l": 35.882
  },
  "oklch": {
    "l": 0.48938,
    "c": 0.10624,
    "h": 244.9
  },
  "luminance": 0.11866
}

Semantic roles & 50–950 ramp

primary

#1F6598

secondary

#C08153

accent

#873FE9

background

#F7F8FB

surface

#EDF0F6

border

#C8CBD0

text

#080C11

muted

#7B7D80

Preview Lab

Preview with #1F6598

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

Preview Lab → · Contrast checker → · Palette generator →