#1F4E65#1F4E65

#1F4E65 is a dark, moderate cyan. Relative luminance 0.067; OKLCH L 40.2% C 0.064 H 232.7°. Best body text is #FFFFFF at 8.99:1 contrast (WCAG AA passes).

Color values

HEX	#1F4E65
RGB	rgb(31, 78, 101)
HSL	hsl(200, 53%, 26%)
HSV	hsv(200, 69%, 40%)
CMYK	cmyk(69.3%, 22.8%, 0%, 60.4%)
CIE-LAB	lab(31.06, -7.87, -18.09)
CIE-LCH	lch(31.06, 19.73, 246.48°)
OKLab	oklab(40.23% -0.0386 -0.0507)
OKLCH	oklch(40.23% 0.064 232.7)
XYZ	xyz(5.6375, 6.6791, 13.3015)
Luminance	0.0668 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F4E65 #65361F

analogous

#1F6559 #1F4E65 #1F2B65

triadic

#1F4E65 #651F4E #4E651F

tetradic

#1F4E65 #591F65 #65361F #2B651F

square

#1F4E65 #591F65 #65361F #2B651F

split-complementary

#1F4E65 #651F2B #65591F

monochromatic

#071217 #112A36 #1F4E65 #2D7294 #3C96C3

Accessibility & contrast

On white

8.99

#1F4E65 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#1F4E65 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F4E65

8.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F4E65	#FFFFFF	#000000	##FFFFFF
##1F4E65	1.00	8.99	2.34	8.99
#FFFFFF	8.99	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#434D66

Deuteranopia (green-blind)

#394665

Tritanopia (blue-blind)

#005456

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #1f4e65;
/* rgb */ color: rgb(31, 78, 101);
/* oklch */ color: oklch(40.2% 0.064 232.7);

Tailwind

colors: {
  custom: {
    50: '#637f91',
    500: '#1f4e65',
    950: '#000000',
  },
}

SCSS

$custom: #1f4e65;
$custom-light: #637f91;
$custom-dark: #000000;

JSON

{
  "hex": "#1f4e65",
  "rgb": {
    "r": 31,
    "g": 78,
    "b": 101
  },
  "hsl": {
    "h": 199.714,
    "s": 53.03,
    "l": 25.882
  },
  "oklch": {
    "l": 0.40233,
    "c": 0.06369,
    "h": 232.7
  },
  "luminance": 0.0668
}

Semantic roles & 50–950 ramp

primary

#1F4E65

secondary

#996246

accent

#7B4BDC

background

#F6F7F8

surface

#EBEEF0

border

#C6C9CB

text

#060A0C

muted

#7A7C7D

Preview Lab

Preview with #1F4E65

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

Preview Lab → · Contrast checker → · Palette generator →