#1F5281#1F5281

#1F5281 is a dark, moderate cyan. Relative luminance 0.079; OKLCH L 42.9% C 0.095 H 249.5°. Best body text is #FFFFFF at 8.13:1 contrast (WCAG AA passes).

Color values

HEX	#1F5281
RGB	rgb(31, 82, 129)
HSL	hsl(209, 61%, 31%)
HSV	hsv(209, 76%, 51%)
CMYK	cmyk(76%, 36.4%, 0%, 49.4%)
CIE-LAB	lab(33.79, 0.24, -31.32)
CIE-LCH	lch(33.79, 31.32, 270.44°)
OKLab	oklab(42.86% -0.0333 -0.089)
OKLCH	oklch(42.86% 0.095 249.5)
XYZ	xyz(7.5433, 7.9100, 21.8939)
Luminance	0.0791 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F5281 #814E1F

analogous

#1F817F #1F5281 #1F2181

triadic

#1F5281 #811F52 #52811F

tetradic

#1F5281 #7F1F81 #814E1F #21811F

square

#1F5281 #7F1F81 #814E1F #21811F

split-complementary

#1F5281 #811F21 #817F1F

monochromatic

#07131E #133350 #1F5281 #2B71B2 #4790D3

Accessibility & contrast

On white

8.13

#1F5281 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#1F5281 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F5281

8.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F5281	#FFFFFF	#000000	##FFFFFF
##1F5281	1.00	8.13	2.58	8.13
#FFFFFF	8.13	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D5483

Deuteranopia (green-blind)

#2E4B80

Tritanopia (blue-blind)

#005D63

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #1f5281;
/* rgb */ color: rgb(31, 82, 129);
/* oklch */ color: oklch(42.9% 0.095 249.5);

Tailwind

colors: {
  custom: {
    50: '#6982a6',
    500: '#1f5281',
    950: '#000000',
  },
}

SCSS

$custom: #1f5281;
$custom-light: #6982a6;
$custom-dark: #000000;

JSON

{
  "hex": "#1f5281",
  "rgb": {
    "r": 31,
    "g": 82,
    "b": 129
  },
  "hsl": {
    "h": 208.776,
    "s": 61.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.42861,
    "c": 0.09504,
    "h": 249.5
  },
  "luminance": 0.07911
}

Semantic roles & 50–950 ramp

primary

#1F5281

secondary

#B47C48

accent

#9143E4

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#070A0F

muted

#7A7C7F

Preview Lab

Preview with #1F5281

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

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