#1F5F8D#1F5F8D

#1F5F8D is a mid, moderate cyan. Relative luminance 0.104; OKLCH L 46.8% C 0.098 H 244.2°. Best body text is #FFFFFF at 6.82:1 contrast (WCAG AA passes).

Color values

HEX	#1F5F8D
RGB	rgb(31, 95, 141)
HSL	hsl(205, 64%, 34%)
HSV	hsv(205, 78%, 55%)
CMYK	cmyk(78%, 32.6%, 0%, 44.7%)
CIE-LAB	lab(38.55, -3.38, -31.14)
CIE-LCH	lch(38.55, 31.32, 263.81°)
OKLab	oklab(46.81% -0.0426 -0.0883)
OKLCH	oklch(46.81% 0.098 244.2)
XYZ	xyz(9.4631, 10.3977, 26.7024)
Luminance	0.1040 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F5F8D #8D4D1F

analogous

#1F8D84 #1F5F8D #1F288D

triadic

#1F5F8D #8D1F5F #5F8D1F

tetradic

#1F5F8D #841F8D #8D4D1F #288D1F

square

#1F5F8D #841F8D #8D4D1F #288D1F

split-complementary

#1F5F8D #8D1F28 #8D841F

monochromatic

#091B29 #143D5B #1F5F8D #2A81BF #4E9ED8

Accessibility & contrast

On white

6.82

#1F5F8D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#1F5F8D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F5F8D

6.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F5F8D	#FFFFFF	#000000	##FFFFFF
##1F5F8D	1.00	6.82	3.08	6.82
#FFFFFF	6.82	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A608F

Deuteranopia (green-blind)

#3A568C

Tritanopia (blue-blind)

#006A6F

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #1f5f8d;
/* rgb */ color: rgb(31, 95, 141);
/* oklch */ color: oklch(46.8% 0.098 244.2);

Tailwind

colors: {
  custom: {
    50: '#6c8cae',
    500: '#1f5f8d',
    950: '#000000',
  },
}

SCSS

$custom: #1f5f8d;
$custom-light: #6c8cae;
$custom-dark: #000000;

JSON

{
  "hex": "#1f5f8d",
  "rgb": {
    "r": 31,
    "g": 95,
    "b": 141
  },
  "hsl": {
    "h": 205.091,
    "s": 63.953,
    "l": 33.725
  },
  "oklch": {
    "l": 0.46814,
    "c": 0.09807,
    "h": 244.2
  },
  "luminance": 0.10399
}

Semantic roles & 50–950 ramp

primary

#1F5F8D

secondary

#BB7B4D

accent

#8641E7

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#080C10

muted

#7A7D7F

Preview Lab

Preview with #1F5F8D

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

Preview Lab → · Contrast checker → · Palette generator →