#1F4065#1F4065

#1F4065 is a dark, moderate cyan. Relative luminance 0.049; OKLCH L 36.6% C 0.075 H 252.9°. Best body text is #FFFFFF at 10.61:1 contrast (WCAG AA passes).

Color values

HEX	#1F4065
RGB	rgb(31, 64, 101)
HSL	hsl(212, 53%, 26%)
HSV	hsv(212, 69%, 40%)
CMYK	cmyk(69.3%, 36.6%, 0%, 60.4%)
CIE-LAB	lab(26.44, 1.20, -25.32)
CIE-LCH	lch(26.44, 25.35, 272.71°)
OKLab	oklab(36.58% -0.0221 -0.0718)
OKLCH	oklch(36.58% 0.075 252.9)
XYZ	xyz(4.7466, 4.8972, 13.0045)
Luminance	0.0490 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F4065 #65441F

analogous

#1F6365 #1F4065 #211F65

triadic

#1F4065 #651F40 #40651F

tetradic

#1F4065 #651F63 #65441F #1F6521

square

#1F4065 #651F63 #65441F #1F6521

split-complementary

#1F4065 #65211F #63651F

monochromatic

#070F17 #112236 #1F4065 #2D5E94 #3C7BC3

Accessibility & contrast

On white

10.61

#1F4065 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#1F4065 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F4065

10.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F4065	#FFFFFF	#000000	##FFFFFF
##1F4065	1.00	10.61	1.98	10.61
#FFFFFF	10.61	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#304267

Deuteranopia (green-blind)

#263C64

Tritanopia (blue-blind)

#00494D

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #1f4065;
/* rgb */ color: rgb(31, 64, 101);
/* oklch */ color: oklch(36.6% 0.075 252.9);

Tailwind

colors: {
  custom: {
    50: '#637491',
    500: '#1f4065',
    950: '#000000',
  },
}

SCSS

$custom: #1f4065;
$custom-light: #637491;
$custom-dark: #000000;

JSON

{
  "hex": "#1f4065",
  "rgb": {
    "r": 31,
    "g": 64,
    "b": 101
  },
  "hsl": {
    "h": 211.714,
    "s": 53.03,
    "l": 25.882
  },
  "oklch": {
    "l": 0.3658,
    "c": 0.0751,
    "h": 252.9
  },
  "luminance": 0.04898
}

Semantic roles & 50–950 ramp

primary

#1F4065

secondary

#997246

accent

#984BDC

background

#F6F7F8

surface

#EBEDF0

border

#C6C8CB

text

#06080C

muted

#7A7B7D

Preview Lab

Preview with #1F4065

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

Preview Lab → · Contrast checker → · Palette generator →