#1F4D74#1F4D74

#1F4D74 is a dark, moderate cyan. Relative luminance 0.069; OKLCH L 40.8% C 0.083 H 247.2°. Best body text is #FFFFFF at 8.85:1 contrast (WCAG AA passes).

Color values

HEX	#1F4D74
RGB	rgb(31, 77, 116)
HSL	hsl(208, 58%, 29%)
HSV	hsv(208, 73%, 45%)
CMYK	cmyk(73.3%, 33.6%, 0%, 54.5%)
CIE-LAB	lab(31.48, -1.58, -26.89)
CIE-LCH	lch(31.48, 26.93, 266.65°)
OKLab	oklab(40.81% -0.032 -0.0762)
OKLCH	oklch(40.81% 0.083 247.2)
XYZ	xyz(6.3701, 6.8593, 17.5079)
Luminance	0.0686 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F4D74 #74461F

analogous

#1F7471 #1F4D74 #1F2374

triadic

#1F4D74 #741F4D #4D741F

tetradic

#1F4D74 #711F74 #74461F #23741F

square

#1F4D74 #711F74 #74461F #23741F

split-complementary

#1F4D74 #741F23 #74711F

monochromatic

#061018 #122D44 #1F4D74 #2C6DA4 #418CCC

Accessibility & contrast

On white

8.85

#1F4D74 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#1F4D74 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F4D74

8.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F4D74	#FFFFFF	#000000	##FFFFFF
##1F4D74	1.00	8.85	2.37	8.85
#FFFFFF	8.85	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B4F76

Deuteranopia (green-blind)

#304673

Tritanopia (blue-blind)

#00565B

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #1f4d74;
/* rgb */ color: rgb(31, 77, 116);
/* oklch */ color: oklch(40.8% 0.083 247.2);

Tailwind

colors: {
  custom: {
    50: '#667e9c',
    500: '#1f4d74',
    950: '#000000',
  },
}

SCSS

$custom: #1f4d74;
$custom-light: #667e9c;
$custom-dark: #000000;

JSON

{
  "hex": "#1f4d74",
  "rgb": {
    "r": 31,
    "g": 77,
    "b": 116
  },
  "hsl": {
    "h": 207.529,
    "s": 57.823,
    "l": 28.824
  },
  "oklch": {
    "l": 0.40812,
    "c": 0.08262,
    "h": 247.2
  },
  "luminance": 0.0686
}

Semantic roles & 50–950 ramp

primary

#1F4D74

secondary

#A87347

accent

#8E47E1

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#06090E

muted

#7A7B7E

Preview Lab

Preview with #1F4D74

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

Preview Lab → · Contrast checker → · Palette generator →