#1F5B90#1F5B90

#1F5B90 is a mid, moderate cyan. Relative luminance 0.098; OKLCH L 46.0% C 0.106 H 249.0°. Best body text is #FFFFFF at 7.10:1 contrast (WCAG AA passes).

Color values

HEX	#1F5B90
RGB	rgb(31, 91, 144)
HSL	hsl(208, 65%, 34%)
HSV	hsv(208, 78%, 56%)
CMYK	cmyk(78.5%, 36.8%, 0%, 43.5%)
CIE-LAB	lab(37.46, 0.31, -34.68)
CIE-LCH	lch(37.46, 34.68, 270.50°)
OKLab	oklab(46.01% -0.0378 -0.0987)
OKLCH	oklch(46.01% 0.106 249)
XYZ	xyz(9.3383, 9.7860, 27.7769)
Luminance	0.0979 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F5B90 #90541F

analogous

#1F908D #1F5B90 #1F2290

triadic

#1F5B90 #901F5B #5B901F

tetradic

#1F5B90 #8D1F90 #90541F #22901F

square

#1F5B90 #8D1F90 #90541F #22901F

split-complementary

#1F5B90 #901F22 #908D1F

monochromatic

#091B2B #143B5E #1F5B90 #2A7BC2 #5099D9

Accessibility & contrast

On white

7.10

#1F5B90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.96

#1F5B90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F5B90

7.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F5B90	#FFFFFF	#000000	##FFFFFF
##1F5B90	1.00	7.10	2.96	7.10
#FFFFFF	7.10	1.00	21.00	1.00
#000000	2.96	21.00	1.00	21.00
##FFFFFF	7.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#425E92

Deuteranopia (green-blind)

#32538F

Tritanopia (blue-blind)

#00686E

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #1f5b90;
/* rgb */ color: rgb(31, 91, 144);
/* oklch */ color: oklch(46.0% 0.106 249.0);

Tailwind

colors: {
  custom: {
    50: '#6c89b1',
    500: '#1f5b90',
    950: '#000000',
  },
}

SCSS

$custom: #1f5b90;
$custom-light: #6c89b1;
$custom-dark: #000000;

JSON

{
  "hex": "#1f5b90",
  "rgb": {
    "r": 31,
    "g": 91,
    "b": 144
  },
  "hsl": {
    "h": 208.142,
    "s": 64.571,
    "l": 34.314
  },
  "oklch": {
    "l": 0.46007,
    "c": 0.10572,
    "h": 249
  },
  "luminance": 0.09787
}

Semantic roles & 50–950 ramp

primary

#1F5B90

secondary

#BC824E

accent

#8F40E8

background

#F7F8FA

surface

#EDEFF5

border

#C8CACF

text

#080B10

muted

#7B7C7F

Preview Lab

Preview with #1F5B90

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

Preview Lab → · Contrast checker → · Palette generator →