#1F5299#1F5299

#1F5299 is a dark, vivid cyan. Relative luminance 0.086; OKLCH L 44.5% C 0.128 H 257.6°. Best body text is #FFFFFF at 7.71:1 contrast (WCAG AA passes).

Color values

HEX	#1F5299
RGB	rgb(31, 82, 153)
HSL	hsl(215, 66%, 36%)
HSV	hsv(215, 80%, 60%)
CMYK	cmyk(79.7%, 46.4%, 0%, 40%)
CIE-LAB	lab(35.25, 9.74, -43.64)
CIE-LCH	lch(35.25, 44.71, 282.58°)
OKLab	oklab(44.47% -0.0275 -0.1252)
OKLCH	oklch(44.47% 0.128 257.6)
XYZ	xyz(9.3300, 8.6247, 31.3038)
Luminance	0.0863 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F5299 #99661F

analogous

#1F8F99 #1F5299 #291F99

triadic

#1F5299 #991F52 #52991F

tetradic

#1F5299 #991F8F #99661F #1F9929

square

#1F5299 #991F8F #99661F #1F9929

split-complementary

#1F5299 #99291F #8F991F

monochromatic

#0A1B33 #153766 #1F5299 #296DCC #568EDD

Accessibility & contrast

On white

7.71

#1F5299 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#1F5299 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F5299

7.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F5299	#FFFFFF	#000000	##FFFFFF
##1F5299	1.00	7.71	2.73	7.71
#FFFFFF	7.71	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C599C

Deuteranopia (green-blind)

#104E98

Tritanopia (blue-blind)

#00636E

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #1f5299;
/* rgb */ color: rgb(31, 82, 153);
/* oklch */ color: oklch(44.5% 0.128 257.6);

Tailwind

colors: {
  custom: {
    50: '#6e82b7',
    500: '#1f5299',
    950: '#000000',
  },
}

SCSS

$custom: #1f5299;
$custom-light: #6e82b7;
$custom-dark: #000000;

JSON

{
  "hex": "#1f5299",
  "rgb": {
    "r": 31,
    "g": 82,
    "b": 153
  },
  "hsl": {
    "h": 214.918,
    "s": 66.304,
    "l": 36.078
  },
  "oklch": {
    "l": 0.44467,
    "c": 0.12818,
    "h": 257.6
  },
  "luminance": 0.08626
}

Semantic roles & 50–950 ramp

primary

#1F5299

secondary

#C09354

accent

#A23FE9

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080A11

muted

#7B7C80

Preview Lab

Preview with #1F5299

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

Preview Lab → · Contrast checker → · Palette generator →