#1F3B60#1F3B60

#1F3B60 is a dark, moderate cyan. Relative luminance 0.043; OKLCH L 35.0% C 0.073 H 256.0°. Best body text is #FFFFFF at 11.33:1 contrast (WCAG AA passes).

Color values

HEX	#1F3B60
RGB	rgb(31, 59, 96)
HSL	hsl(214, 51%, 25%)
HSV	hsv(214, 68%, 38%)
CMYK	cmyk(67.7%, 38.5%, 0%, 62.4%)
CIE-LAB	lab(24.52, 2.65, -25.12)
CIE-LCH	lch(24.52, 25.26, 276.03°)
OKLab	oklab(34.99% -0.0177 -0.0712)
OKLCH	oklch(34.99% 0.073 256)
XYZ	xyz(4.2396, 4.2634, 11.6635)
Luminance	0.0426 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F3B60 #60441F

analogous

#1F5B60 #1F3B60 #241F60

triadic

#1F3B60 #601F3B #3B601F

tetradic

#1F3B60 #601F5B #60441F #1F6024

square

#1F3B60 #601F5B #60441F #1F6024

split-complementary

#1F3B60 #60241F #5B601F

monochromatic

#070E17 #101F32 #1F3B60 #2E578E #3D74BD

Accessibility & contrast

On white

11.33

#1F3B60 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#1F3B60 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F3B60

11.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F3B60	#FFFFFF	#000000	##FFFFFF
##1F3B60	1.00	11.33	1.85	11.33
#FFFFFF	11.33	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B3E62

Deuteranopia (green-blind)

#22375F

Tritanopia (blue-blind)

#004349

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #1f3b60;
/* rgb */ color: rgb(31, 59, 96);
/* oklch */ color: oklch(35.0% 0.073 256.0);

Tailwind

colors: {
  custom: {
    50: '#62708d',
    500: '#1f3b60',
    950: '#000000',
  },
}

SCSS

$custom: #1f3b60;
$custom-light: #62708d;
$custom-dark: #000000;

JSON

{
  "hex": "#1f3b60",
  "rgb": {
    "r": 31,
    "g": 59,
    "b": 96
  },
  "hsl": {
    "h": 214.154,
    "s": 51.181,
    "l": 24.902
  },
  "oklch": {
    "l": 0.34989,
    "c": 0.07341,
    "h": 256
  },
  "luminance": 0.04264
}

Semantic roles & 50–950 ramp

primary

#1F3B60

secondary

#957346

accent

#9E4DDB

background

#F6F6F8

surface

#EBECF0

border

#C6C7CB

text

#05070C

muted

#7A7A7D

Preview Lab

Preview with #1F3B60

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

Preview Lab → · Contrast checker → · Palette generator →