#1F435E#1F435E

#1F435E is a dark, moderate cyan. Relative luminance 0.051; OKLCH L 36.9% C 0.062 H 243.3°. Best body text is #FFFFFF at 10.38:1 contrast (WCAG AA passes).

Color values

HEX	#1F435E
RGB	rgb(31, 67, 94)
HSL	hsl(206, 50%, 25%)
HSV	hsv(206, 67%, 37%)
CMYK	cmyk(67%, 28.7%, 0%, 63.1%)
CIE-LAB	lab(27.06, -3.48, -19.84)
CIE-LCH	lch(27.06, 20.15, 260.06°)
OKLab	oklab(36.94% -0.0281 -0.0558)
OKLCH	oklch(36.94% 0.062 243.3)
XYZ	xyz(4.5919, 5.1133, 11.3325)
Luminance	0.0511 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F435E #5E3A1F

analogous

#1F5E5A #1F435E #1F245E

triadic

#1F435E #5E1F43 #435E1F

tetradic

#1F435E #5A1F5E #5E3A1F #245E1F

square

#1F435E #5A1F5E #5E3A1F #245E1F

split-complementary

#1F435E #5E1F24 #5E5A1F

monochromatic

#081017 #102230 #1F435E #2E648C #3D85BA

Accessibility & contrast

On white

10.38

#1F435E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#1F435E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F435E

10.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F435E	#FFFFFF	#000000	##FFFFFF
##1F435E	1.00	10.38	2.02	10.38
#FFFFFF	10.38	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#37435F

Deuteranopia (green-blind)

#2E3D5E

Tritanopia (blue-blind)

#004A4C

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #1f435e;
/* rgb */ color: rgb(31, 67, 94);
/* oklch */ color: oklch(36.9% 0.062 243.3);

Tailwind

colors: {
  custom: {
    50: '#62778b',
    500: '#1f435e',
    950: '#000000',
  },
}

SCSS

$custom: #1f435e;
$custom-light: #62778b;
$custom-dark: #000000;

JSON

{
  "hex": "#1f435e",
  "rgb": {
    "r": 31,
    "g": 67,
    "b": 94
  },
  "hsl": {
    "h": 205.714,
    "s": 50.4,
    "l": 24.51
  },
  "oklch": {
    "l": 0.36941,
    "c": 0.06248,
    "h": 243.3
  },
  "luminance": 0.05114
}

Semantic roles & 50–950 ramp

primary

#1F435E

secondary

#936746

accent

#8A4EDA

background

#F6F7F8

surface

#EBEDF0

border

#C6C8CB

text

#05080C

muted

#7A7B7D

Preview Lab

Preview with #1F435E

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

Preview Lab → · Contrast checker → · Palette generator →