#1F4875#1F4875

#1F4875 is a dark, moderate cyan. Relative luminance 0.062; OKLCH L 39.6% C 0.089 H 252.8°. Best body text is #FFFFFF at 9.37:1 contrast (WCAG AA passes).

Color values

HEX	#1F4875
RGB	rgb(31, 72, 117)
HSL	hsl(211, 58%, 29%)
HSV	hsv(211, 74%, 46%)
CMYK	cmyk(73.5%, 38.5%, 0%, 54.1%)
CIE-LAB	lab(29.94, 2.10, -29.96)
CIE-LCH	lch(29.94, 30.03, 274.01°)
OKLab	oklab(39.61% -0.0263 -0.0852)
OKLCH	oklch(39.61% 0.089 252.8)
XYZ	xyz(6.0921, 6.2097, 17.7037)
Luminance	0.0621 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F4875 #754C1F

analogous

#1F7375 #1F4875 #211F75

triadic

#1F4875 #751F48 #48751F

tetradic

#1F4875 #751F73 #754C1F #1F7521

square

#1F4875 #751F73 #754C1F #1F7521

split-complementary

#1F4875 #75211F #73751F

monochromatic

#060F18 #122A45 #1F4875 #2C66A5 #4284CD

Accessibility & contrast

On white

9.37

#1F4875 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#1F4875 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F4875

9.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F4875	#FFFFFF	#000000	##FFFFFF
##1F4875	1.00	9.37	2.24	9.37
#FFFFFF	9.37	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#344B77

Deuteranopia (green-blind)

#274374

Tritanopia (blue-blind)

#005359

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #1f4875;
/* rgb */ color: rgb(31, 72, 117);
/* oklch */ color: oklch(39.6% 0.089 252.8);

Tailwind

colors: {
  custom: {
    50: '#667a9d',
    500: '#1f4875',
    950: '#000000',
  },
}

SCSS

$custom: #1f4875;
$custom-light: #667a9d;
$custom-dark: #000000;

JSON

{
  "hex": "#1f4875",
  "rgb": {
    "r": 31,
    "g": 72,
    "b": 117
  },
  "hsl": {
    "h": 211.395,
    "s": 58.108,
    "l": 29.02
  },
  "oklch": {
    "l": 0.39614,
    "c": 0.0892,
    "h": 252.8
  },
  "luminance": 0.0621
}

Semantic roles & 50–950 ramp

primary

#1F4875

secondary

#A97A47

accent

#9846E1

background

#F6F7F9

surface

#EBEDF2

border

#C6C8CC

text

#06090E

muted

#7A7B7E

Preview Lab

Preview with #1F4875

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

Preview Lab → · Contrast checker → · Palette generator →