#1F5391#1F5391

#1F5391 is a dark, moderate cyan. Relative luminance 0.085; OKLCH L 44.1% C 0.116 H 255.0°. Best body text is #FFFFFF at 7.77:1 contrast (WCAG AA passes).

Color values

HEX	#1F5391
RGB	rgb(31, 83, 145)
HSL	hsl(213, 65%, 35%)
HSV	hsv(213, 79%, 57%)
CMYK	cmyk(78.6%, 42.8%, 0%, 43.1%)
CIE-LAB	lab(35.05, 5.89, -39.12)
CIE-LCH	lch(35.05, 39.56, 278.57°)
OKLab	oklab(44.14% -0.0301 -0.1119)
OKLCH	oklch(44.14% 0.116 255)
XYZ	xyz(8.7673, 8.5211, 27.9652)
Luminance	0.0852 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F5391 #915D1F

analogous

#1F8C91 #1F5391 #241F91

triadic

#1F5391 #911F53 #53911F

tetradic

#1F5391 #911F8C #915D1F #1F9124

square

#1F5391 #911F8C #915D1F #1F9124

split-complementary

#1F5391 #91241F #8C911F

monochromatic

#09192C #14365F #1F5391 #2A70C3 #518FDA

Accessibility & contrast

On white

7.77

#1F5391 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#1F5391 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F5391

7.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F5391	#FFFFFF	#000000	##FFFFFF
##1F5391	1.00	7.77	2.70	7.77
#FFFFFF	7.77	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#355893

Deuteranopia (green-blind)

#214E90

Tritanopia (blue-blind)

#00626B

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #1f5391;
/* rgb */ color: rgb(31, 83, 145);
/* oklch */ color: oklch(44.1% 0.116 255.0);

Tailwind

colors: {
  custom: {
    50: '#6c82b1',
    500: '#1f5391',
    950: '#000000',
  },
}

SCSS

$custom: #1f5391;
$custom-light: #6c82b1;
$custom-dark: #000000;

JSON

{
  "hex": "#1f5391",
  "rgb": {
    "r": 31,
    "g": 83,
    "b": 145
  },
  "hsl": {
    "h": 212.632,
    "s": 64.773,
    "l": 34.51
  },
  "oklch": {
    "l": 0.44143,
    "c": 0.11587,
    "h": 255
  },
  "luminance": 0.08522
}

Semantic roles & 50–950 ramp

primary

#1F5391

secondary

#BD8B4F

accent

#9B40E8

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080A11

muted

#7B7C80

Preview Lab

Preview with #1F5391

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

Preview Lab → · Contrast checker → · Palette generator →