#1F5597#1F5597

#1F5597 is a mid, vivid cyan. Relative luminance 0.090; OKLCH L 45.0% C 0.122 H 255.5°. Best body text is #FFFFFF at 7.49:1 contrast (WCAG AA passes).

Color values

HEX	#1F5597
RGB	rgb(31, 85, 151)
HSL	hsl(213, 66%, 36%)
HSV	hsv(213, 79%, 59%)
CMYK	cmyk(79.5%, 43.7%, 0%, 40.8%)
CIE-LAB	lab(36.03, 6.95, -41.19)
CIE-LCH	lch(36.03, 41.77, 279.58°)
OKLab	oklab(45.03% -0.0305 -0.1179)
OKLCH	oklch(45.03% 0.122 255.5)
XYZ	xyz(9.3974, 9.0216, 30.5182)
Luminance	0.0902 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F5597 #97611F

analogous

#1F9197 #1F5597 #251F97

triadic

#1F5597 #971F55 #55971F

tetradic

#1F5597 #971F91 #97611F #1F9725

square

#1F5597 #971F91 #97611F #1F9725

split-complementary

#1F5597 #97251F #91971F

monochromatic

#0A1C31 #153864 #1F5597 #2972CA #5491DC

Accessibility & contrast

On white

7.49

#1F5597 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#1F5597 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F5597

7.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F5597	#FFFFFF	#000000	##FFFFFF
##1F5597	1.00	7.49	2.80	7.49
#FFFFFF	7.49	1.00	21.00	1.00
#000000	2.80	21.00	1.00	21.00
##FFFFFF	7.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#345B9A

Deuteranopia (green-blind)

#1E5096

Tritanopia (blue-blind)

#00656E

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #1f5597;
/* rgb */ color: rgb(31, 85, 151);
/* oklch */ color: oklch(45.0% 0.122 255.5);

Tailwind

colors: {
  custom: {
    50: '#6e84b6',
    500: '#1f5597',
    950: '#000000',
  },
}

SCSS

$custom: #1f5597;
$custom-light: #6e84b6;
$custom-dark: #000000;

JSON

{
  "hex": "#1f5597",
  "rgb": {
    "r": 31,
    "g": 85,
    "b": 151
  },
  "hsl": {
    "h": 213,
    "s": 65.934,
    "l": 35.686
  },
  "oklch": {
    "l": 0.45025,
    "c": 0.12182,
    "h": 255.5
  },
  "luminance": 0.09023
}

Semantic roles & 50–950 ramp

primary

#1F5597

secondary

#BF8E52

accent

#9C3FE9

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#080A11

muted

#7B7C80

Preview Lab

Preview with #1F5597

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

Preview Lab → · Contrast checker → · Palette generator →