#1F4E62#1F4E62

#1F4E62 is a dark, moderate cyan. Relative luminance 0.066; OKLCH L 40.1% C 0.061 H 229.0°. Best body text is #FFFFFF at 9.03:1 contrast (WCAG AA passes).

Color values

HEX	#1F4E62
RGB	rgb(31, 78, 98)
HSL	hsl(198, 52%, 25%)
HSV	hsv(198, 68%, 38%)
CMYK	cmyk(68.4%, 20.4%, 0%, 61.6%)
CIE-LAB	lab(30.93, -8.97, -16.40)
CIE-LCH	lch(30.93, 18.69, 241.33°)
OKLab	oklab(40.08% -0.0398 -0.0458)
OKLCH	oklch(40.08% 0.061 229)
XYZ	xyz(5.4932, 6.6214, 12.5415)
Luminance	0.0662 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F4E62 #62331F

analogous

#1F6254 #1F4E62 #1F2D62

triadic

#1F4E62 #621F4E #4E621F

tetradic

#1F4E62 #541F62 #62331F #2D621F

square

#1F4E62 #541F62 #62331F #2D621F

split-complementary

#1F4E62 #621F2D #62541F

monochromatic

#071317 #102934 #1F4E62 #2E7390 #3C98BF

Accessibility & contrast

On white

9.03

#1F4E62 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#1F4E62 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F4E62

9.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F4E62	#FFFFFF	#000000	##FFFFFF
##1F4E62	1.00	9.03	2.32	9.03
#FFFFFF	9.03	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#444D63

Deuteranopia (green-blind)

#3A4662

Tritanopia (blue-blind)

#005455

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #1f4e62;
/* rgb */ color: rgb(31, 78, 98);
/* oklch */ color: oklch(40.1% 0.061 229.0);

Tailwind

colors: {
  custom: {
    50: '#637f8e',
    500: '#1f4e62',
    950: '#000000',
  },
}

SCSS

$custom: #1f4e62;
$custom-light: #637f8e;
$custom-dark: #000000;

JSON

{
  "hex": "#1f4e62",
  "rgb": {
    "r": 31,
    "g": 78,
    "b": 98
  },
  "hsl": {
    "h": 197.91,
    "s": 51.938,
    "l": 25.294
  },
  "oklch": {
    "l": 0.4008,
    "c": 0.06069,
    "h": 229
  },
  "luminance": 0.06622
}

Semantic roles & 50–950 ramp

primary

#1F4E62

secondary

#975E46

accent

#774CDB

background

#F6F7F8

surface

#EBEEF0

border

#C6C9CB

text

#060A0C

muted

#7A7C7D

Preview Lab

Preview with #1F4E62

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

Preview Lab → · Contrast checker → · Palette generator →