#1F475F#1F475F

#1F475F is a dark, moderate cyan. Relative luminance 0.056; OKLCH L 38.1% C 0.061 H 237.7°. Best body text is #FFFFFF at 9.88:1 contrast (WCAG AA passes).

Color values

HEX	#1F475F
RGB	rgb(31, 71, 95)
HSL	hsl(203, 51%, 25%)
HSV	hsv(203, 67%, 37%)
CMYK	cmyk(67.4%, 25.3%, 0%, 62.7%)
CIE-LAB	lab(28.44, -5.68, -18.33)
CIE-LCH	lch(28.44, 19.19, 252.77°)
OKLab	oklab(38.06% -0.0325 -0.0514)
OKLCH	oklch(38.06% 0.061 237.7)
XYZ	xyz(4.8831, 5.6235, 11.6524)
Luminance	0.0562 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F475F #5F371F

analogous

#1F5F57 #1F475F #1F275F

triadic

#1F475F #5F1F47 #475F1F

tetradic

#1F475F #571F5F #5F371F #275F1F

square

#1F475F #571F5F #5F371F #275F1F

split-complementary

#1F475F #5F1F27 #5F571F

monochromatic

#081117 #102531 #1F475F #2E698D #3D8CBB

Accessibility & contrast

On white

9.88

#1F475F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#1F475F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F475F

9.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F475F	#FFFFFF	#000000	##FFFFFF
##1F475F	1.00	9.88	2.12	9.88
#FFFFFF	9.88	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C4760

Deuteranopia (green-blind)

#33405F

Tritanopia (blue-blind)

#004D4F

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #1f475f;
/* rgb */ color: rgb(31, 71, 95);
/* oklch */ color: oklch(38.1% 0.061 237.7);

Tailwind

colors: {
  custom: {
    50: '#627a8c',
    500: '#1f475f',
    950: '#000000',
  },
}

SCSS

$custom: #1f475f;
$custom-light: #627a8c;
$custom-dark: #000000;

JSON

{
  "hex": "#1f475f",
  "rgb": {
    "r": 31,
    "g": 71,
    "b": 95
  },
  "hsl": {
    "h": 202.5,
    "s": 50.794,
    "l": 24.706
  },
  "oklch": {
    "l": 0.38056,
    "c": 0.06086,
    "h": 237.7
  },
  "luminance": 0.05624
}

Semantic roles & 50–950 ramp

primary

#1F475F

secondary

#946346

accent

#824EDA

background

#F6F7F8

surface

#EBEDF0

border

#C6C8CB

text

#05090C

muted

#7A7B7D

Preview Lab

Preview with #1F475F

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

Preview Lab → · Contrast checker → · Palette generator →