#1F5375#1F5375

#1F5375 is a dark, moderate cyan. Relative luminance 0.078; OKLCH L 42.4% C 0.079 H 241.0°. Best body text is #FFFFFF at 8.23:1 contrast (WCAG AA passes).

Color values

HEX	#1F5375
RGB	rgb(31, 83, 117)
HSL	hsl(204, 58%, 29%)
HSV	hsv(204, 74%, 46%)
CMYK	cmyk(73.5%, 29.1%, 0%, 54.1%)
CIE-LAB	lab(33.48, -5.02, -24.38)
CIE-LCH	lch(33.48, 24.89, 258.36°)
OKLab	oklab(42.41% -0.0382 -0.0688)
OKLCH	oklch(42.41% 0.079 241)
XYZ	xyz(6.8680, 7.7614, 17.9623)
Luminance	0.0776 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F5375 #75411F

analogous

#1F756C #1F5375 #1F2875

triadic

#1F5375 #751F53 #53751F

tetradic

#1F5375 #6C1F75 #75411F #28751F

square

#1F5375 #6C1F75 #75411F #28751F

split-complementary

#1F5375 #751F28 #756C1F

monochromatic

#061118 #123145 #1F5375 #2C75A5 #4296CD

Accessibility & contrast

On white

8.23

#1F5375 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#1F5375 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F5375

8.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F5375	#FFFFFF	#000000	##FFFFFF
##1F5375	1.00	8.23	2.55	8.23
#FFFFFF	8.23	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#435377

Deuteranopia (green-blind)

#384B74

Tritanopia (blue-blind)

#005B5F

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #1f5375;
/* rgb */ color: rgb(31, 83, 117);
/* oklch */ color: oklch(42.4% 0.079 241.0);

Tailwind

colors: {
  custom: {
    50: '#67839d',
    500: '#1f5375',
    950: '#000000',
  },
}

SCSS

$custom: #1f5375;
$custom-light: #67839d;
$custom-dark: #000000;

JSON

{
  "hex": "#1f5375",
  "rgb": {
    "r": 31,
    "g": 83,
    "b": 117
  },
  "hsl": {
    "h": 203.721,
    "s": 58.108,
    "l": 29.02
  },
  "oklch": {
    "l": 0.42405,
    "c": 0.07869,
    "h": 241
  },
  "luminance": 0.07762
}

Semantic roles & 50–950 ramp

primary

#1F5375

secondary

#A96E47

accent

#8446E1

background

#F6F8F9

surface

#EBEFF2

border

#C6CACC

text

#060A0E

muted

#7A7C7E

Preview Lab

Preview with #1F5375

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

Preview Lab → · Contrast checker → · Palette generator →