#1F5582#1F5582

#1F5582 is a dark, moderate cyan. Relative luminance 0.084; OKLCH L 43.7% C 0.093 H 247.3°. Best body text is #FFFFFF at 7.84:1 contrast (WCAG AA passes).

Color values

HEX	#1F5582
RGB	rgb(31, 85, 130)
HSL	hsl(207, 61%, 32%)
HSV	hsv(207, 76%, 51%)
CMYK	cmyk(76.2%, 34.6%, 0%, 49%)
CIE-LAB	lab(34.80, -1.30, -30.34)
CIE-LCH	lch(34.80, 30.37, 267.54°)
OKLab	oklab(43.67% -0.036 -0.0861)
OKLCH	oklch(43.67% 0.093 247.3)
XYZ	xyz(7.8413, 8.3991, 22.3227)
Luminance	0.0840 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F5582 #824C1F

analogous

#1F827E #1F5582 #1F2382

triadic

#1F5582 #821F55 #55821F

tetradic

#1F5582 #7E1F82 #824C1F #23821F

square

#1F5582 #7E1F82 #824C1F #23821F

split-complementary

#1F5582 #821F23 #827E1F

monochromatic

#07141F #133551 #1F5582 #2B75B3 #4894D3

Accessibility & contrast

On white

7.84

#1F5582 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#1F5582 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F5582

7.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F5582	#FFFFFF	#000000	##FFFFFF
##1F5582	1.00	7.84	2.68	7.84
#FFFFFF	7.84	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#405784

Deuteranopia (green-blind)

#324E81

Tritanopia (blue-blind)

#006065

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #1f5582;
/* rgb */ color: rgb(31, 85, 130);
/* oklch */ color: oklch(43.7% 0.093 247.3);

Tailwind

colors: {
  custom: {
    50: '#6984a6',
    500: '#1f5582',
    950: '#000000',
  },
}

SCSS

$custom: #1f5582;
$custom-light: #6984a6;
$custom-dark: #000000;

JSON

{
  "hex": "#1f5582",
  "rgb": {
    "r": 31,
    "g": 85,
    "b": 130
  },
  "hsl": {
    "h": 207.273,
    "s": 61.491,
    "l": 31.569
  },
  "oklch": {
    "l": 0.43669,
    "c": 0.09337,
    "h": 247.3
  },
  "luminance": 0.084
}

Semantic roles & 50–950 ramp

primary

#1F5582

secondary

#B57948

accent

#8D43E5

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#070A0F

muted

#7A7C7F

Preview Lab

Preview with #1F5582

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

Preview Lab → · Contrast checker → · Palette generator →