#1F4E6C#1F4E6C

#1F4E6C is a dark, moderate cyan. Relative luminance 0.068; OKLCH L 40.6% C 0.072 H 239.9°. Best body text is #FFFFFF at 8.88:1 contrast (WCAG AA passes).

Color values

HEX	#1F4E6C
RGB	rgb(31, 78, 108)
HSL	hsl(203, 55%, 27%)
HSV	hsv(203, 71%, 42%)
CMYK	cmyk(71.3%, 27.8%, 0%, 57.6%)
CIE-LAB	lab(31.40, -5.27, -22.00)
CIE-LCH	lch(31.40, 22.62, 256.52°)
OKLab	oklab(40.61% -0.0359 -0.0619)
OKLCH	oklch(40.61% 0.072 239.9)
XYZ	xyz(5.9952, 6.8222, 15.1853)
Luminance	0.0682 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F4E6C #6C3D1F

analogous

#1F6C64 #1F4E6C #1F276C

triadic

#1F4E6C #6C1F4E #4E6C1F

tetradic

#1F4E6C #641F6C #6C3D1F #276C1F

square

#1F4E6C #641F6C #6C3D1F #276C1F

split-complementary

#1F4E6C #6C1F27 #6C641F

monochromatic

#071118 #112C3C #1F4E6C #2D709C #3E92C8

Accessibility & contrast

On white

8.88

#1F4E6C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#1F4E6C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F4E6C

8.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F4E6C	#FFFFFF	#000000	##FFFFFF
##1F4E6C	1.00	8.88	2.36	8.88
#FFFFFF	8.88	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#404E6D

Deuteranopia (green-blind)

#36476B

Tritanopia (blue-blind)

#005658

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #1f4e6c;
/* rgb */ color: rgb(31, 78, 108);
/* oklch */ color: oklch(40.6% 0.072 239.9);

Tailwind

colors: {
  custom: {
    50: '#657f96',
    500: '#1f4e6c',
    950: '#000000',
  },
}

SCSS

$custom: #1f4e6c;
$custom-light: #657f96;
$custom-dark: #000000;

JSON

{
  "hex": "#1f4e6c",
  "rgb": {
    "r": 31,
    "g": 78,
    "b": 108
  },
  "hsl": {
    "h": 203.377,
    "s": 55.396,
    "l": 27.255
  },
  "oklch": {
    "l": 0.40608,
    "c": 0.07159,
    "h": 239.9
  },
  "luminance": 0.06823
}

Semantic roles & 50–950 ramp

primary

#1F4E6C

secondary

#A06A47

accent

#8349DF

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#060A0D

muted

#7A7C7E

Preview Lab

Preview with #1F4E6C

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

Preview Lab → · Contrast checker → · Palette generator →