#1F415B#1F415B

#1F415B is a dark, moderate cyan. Relative luminance 0.048; OKLCH L 36.2% C 0.060 H 243.7°. Best body text is #FFFFFF at 10.68:1 contrast (WCAG AA passes).

Color values

HEX	#1F415B
RGB	rgb(31, 65, 91)
HSL	hsl(206, 49%, 24%)
HSV	hsv(206, 66%, 36%)
CMYK	cmyk(65.9%, 28.6%, 0%, 64.3%)
CIE-LAB	lab(26.24, -3.30, -19.18)
CIE-LCH	lch(26.24, 19.46, 260.25°)
OKLab	oklab(36.24% -0.0267 -0.0539)
OKLCH	oklch(36.24% 0.06 243.7)
XYZ	xyz(4.3430, 4.8268, 10.5983)
Luminance	0.0483 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F415B #5B391F

analogous

#1F5B57 #1F415B #1F235B

triadic

#1F415B #5B1F41 #415B1F

tetradic

#1F415B #571F5B #5B391F #235B1F

square

#1F415B #571F5B #5B391F #235B1F

split-complementary

#1F415B #5B1F23 #5B571F

monochromatic

#081017 #0F202D #1F415B #2F6289 #3E82B6

Accessibility & contrast

On white

10.68

#1F415B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#1F415B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F415B

10.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F415B	#FFFFFF	#000000	##FFFFFF
##1F415B	1.00	10.68	1.97	10.68
#FFFFFF	10.68	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#36415C

Deuteranopia (green-blind)

#2D3B5B

Tritanopia (blue-blind)

#00474A

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #1f415b;
/* rgb */ color: rgb(31, 65, 91);
/* oklch */ color: oklch(36.2% 0.060 243.7);

Tailwind

colors: {
  custom: {
    50: '#617589',
    500: '#1f415b',
    950: '#000000',
  },
}

SCSS

$custom: #1f415b;
$custom-light: #617589;
$custom-dark: #000000;

JSON

{
  "hex": "#1f415b",
  "rgb": {
    "r": 31,
    "g": 65,
    "b": 91
  },
  "hsl": {
    "h": 206,
    "s": 49.18,
    "l": 23.922
  },
  "oklch": {
    "l": 0.36244,
    "c": 0.06017,
    "h": 243.7
  },
  "luminance": 0.04827
}

Semantic roles & 50–950 ramp

primary

#1F415B

secondary

#906646

accent

#8B4FD9

background

#F6F7F8

surface

#EBEDF0

border

#C6C8CB

text

#05080B

muted

#7A7B7C

Preview Lab

Preview with #1F415B

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

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