#1F4E5F#1F4E5F

#1F4E5F is a dark, muted cyan. Relative luminance 0.066; OKLCH L 39.9% C 0.058 H 225.0°. Best body text is #FFFFFF at 9.08:1 contrast (WCAG AA passes).

Color values

HEX	#1F4E5F
RGB	rgb(31, 78, 95)
HSL	hsl(196, 51%, 25%)
HSV	hsv(196, 67%, 37%)
CMYK	cmyk(67.4%, 17.9%, 0%, 62.7%)
CIE-LAB	lab(30.80, -10.04, -14.69)
CIE-LCH	lch(30.80, 17.80, 235.65°)
OKLab	oklab(39.93% -0.0411 -0.041)
OKLCH	oklch(39.93% 0.058 225)
XYZ	xyz(5.3542, 6.5658, 11.8094)
Luminance	0.0657 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F4E5F #5F301F

analogous

#1F5F50 #1F4E5F #1F2E5F

triadic

#1F4E5F #5F1F4E #4E5F1F

tetradic

#1F4E5F #501F5F #5F301F #2E5F1F

square

#1F4E5F #501F5F #5F301F #2E5F1F

split-complementary

#1F4E5F #5F1F2E #5F501F

monochromatic

#081317 #102831 #1F4E5F #2E748D #3D9ABB

Accessibility & contrast

On white

9.08

#1F4E5F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#1F4E5F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F4E5F

9.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F4E5F	#FFFFFF	#000000	##FFFFFF
##1F4E5F	1.00	9.08	2.31	9.08
#FFFFFF	9.08	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#454C60

Deuteranopia (green-blind)

#3C465F

Tritanopia (blue-blind)

#005353

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #1f4e5f;
/* rgb */ color: rgb(31, 78, 95);
/* oklch */ color: oklch(39.9% 0.058 225.0);

Tailwind

colors: {
  custom: {
    50: '#637f8c',
    500: '#1f4e5f',
    950: '#000000',
  },
}

SCSS

$custom: #1f4e5f;
$custom-light: #637f8c;
$custom-dark: #000000;

JSON

{
  "hex": "#1f4e5f",
  "rgb": {
    "r": 31,
    "g": 78,
    "b": 95
  },
  "hsl": {
    "h": 195.938,
    "s": 50.794,
    "l": 24.706
  },
  "oklch": {
    "l": 0.39931,
    "c": 0.058,
    "h": 225
  },
  "luminance": 0.06566
}

Semantic roles & 50–950 ramp

primary

#1F4E5F

secondary

#945B46

accent

#734EDA

background

#F6F7F8

surface

#EBEEF0

border

#C6C9CB

text

#060A0C

muted

#7A7C7D

Preview Lab

Preview with #1F4E5F

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

Preview Lab → · Contrast checker → · Palette generator →