#1F4E60#1F4E60

#1F4E60 is a dark, muted cyan. Relative luminance 0.066; OKLCH L 40.0% C 0.059 H 226.4°. Best body text is #FFFFFF at 9.06:1 contrast (WCAG AA passes).

Color values

HEX	#1F4E60
RGB	rgb(31, 78, 96)
HSL	hsl(197, 51%, 25%)
HSV	hsv(197, 68%, 38%)
CMYK	cmyk(67.7%, 18.7%, 0%, 62.4%)
CIE-LAB	lab(30.84, -9.69, -15.26)
CIE-LCH	lch(30.84, 18.08, 237.60°)
OKLab	oklab(39.98% -0.0406 -0.0426)
OKLCH	oklch(39.98% 0.059 226.4)
XYZ	xyz(5.3999, 6.5841, 12.0503)
Luminance	0.0659 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F4E60 #60311F

analogous

#1F6051 #1F4E60 #1F2E60

triadic

#1F4E60 #601F4E #4E601F

tetradic

#1F4E60 #511F60 #60311F #2E601F

square

#1F4E60 #511F60 #60311F #2E601F

split-complementary

#1F4E60 #601F2E #60511F

monochromatic

#071317 #102832 #1F4E60 #2E748E #3D99BD

Accessibility & contrast

On white

9.06

#1F4E60 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#1F4E60 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F4E60

9.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F4E60	#FFFFFF	#000000	##FFFFFF
##1F4E60	1.00	9.06	2.32	9.06
#FFFFFF	9.06	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#444C61

Deuteranopia (green-blind)

#3B4660

Tritanopia (blue-blind)

#005354

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #1f4e60;
/* rgb */ color: rgb(31, 78, 96);
/* oklch */ color: oklch(40.0% 0.059 226.4);

Tailwind

colors: {
  custom: {
    50: '#637f8d',
    500: '#1f4e60',
    950: '#000000',
  },
}

SCSS

$custom: #1f4e60;
$custom-light: #637f8d;
$custom-dark: #000000;

JSON

{
  "hex": "#1f4e60",
  "rgb": {
    "r": 31,
    "g": 78,
    "b": 96
  },
  "hsl": {
    "h": 196.615,
    "s": 51.181,
    "l": 24.902
  },
  "oklch": {
    "l": 0.3998,
    "c": 0.05886,
    "h": 226.4
  },
  "luminance": 0.06585
}

Semantic roles & 50–950 ramp

primary

#1F4E60

secondary

#955C46

accent

#744DDB

background

#F6F7F8

surface

#EBEEF0

border

#C6C9CB

text

#060A0C

muted

#7A7C7D

Preview Lab

Preview with #1F4E60

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

Preview Lab → · Contrast checker → · Palette generator →