#1F436D#1F436D

#1F436D is a dark, moderate cyan. Relative luminance 0.054; OKLCH L 37.8% C 0.083 H 253.8°. Best body text is #FFFFFF at 10.09:1 contrast (WCAG AA passes).

Color values

HEX	#1F436D
RGB	rgb(31, 67, 109)
HSL	hsl(212, 56%, 27%)
HSV	hsv(212, 72%, 43%)
CMYK	cmyk(71.6%, 38.5%, 0%, 57.3%)
CIE-LAB	lab(27.87, 2.30, -28.18)
CIE-LCH	lch(27.87, 28.27, 274.67°)
OKLab	oklab(37.85% -0.0232 -0.0801)
OKLCH	oklch(37.85% 0.083 253.8)
XYZ	xyz(5.3315, 5.4092, 15.2281)
Luminance	0.0541 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F436D #6D491F

analogous

#1F6A6D #1F436D #221F6D

triadic

#1F436D #6D1F43 #436D1F

tetradic

#1F436D #6D1F6A #6D491F #1F6D22

square

#1F436D #6D1F6A #6D491F #1F6D22

split-complementary

#1F436D #6D221F #6A6D1F

monochromatic

#070F18 #11263D #1F436D #2D609D #3E7EC8

Accessibility & contrast

On white

10.09

#1F436D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#1F436D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F436D

10.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F436D	#FFFFFF	#000000	##FFFFFF
##1F436D	1.00	10.09	2.08	10.09
#FFFFFF	10.09	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#30466F

Deuteranopia (green-blind)

#253E6C

Tritanopia (blue-blind)

#004D52

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #1f436d;
/* rgb */ color: rgb(31, 67, 109);
/* oklch */ color: oklch(37.8% 0.083 253.8);

Tailwind

colors: {
  custom: {
    50: '#657697',
    500: '#1f436d',
    950: '#000000',
  },
}

SCSS

$custom: #1f436d;
$custom-light: #657697;
$custom-dark: #000000;

JSON

{
  "hex": "#1f436d",
  "rgb": {
    "r": 31,
    "g": 67,
    "b": 109
  },
  "hsl": {
    "h": 212.308,
    "s": 55.714,
    "l": 27.451
  },
  "oklch": {
    "l": 0.37849,
    "c": 0.08336,
    "h": 253.8
  },
  "luminance": 0.0541
}

Semantic roles & 50–950 ramp

primary

#1F436D

secondary

#A17747

accent

#9A49DF

background

#F6F7F9

surface

#EBEDF2

border

#C6C8CC

text

#06080D

muted

#7A7B7E

Preview Lab

Preview with #1F436D

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

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