#1F548E#1F548E

#1F548E is a dark, moderate cyan. Relative luminance 0.086; OKLCH L 44.2% C 0.111 H 253.3°. Best body text is #FFFFFF at 7.73:1 contrast (WCAG AA passes).

Color values

HEX	#1F548E
RGB	rgb(31, 84, 142)
HSL	hsl(211, 64%, 34%)
HSV	hsv(211, 78%, 56%)
CMYK	cmyk(78.2%, 40.8%, 0%, 44.3%)
CIE-LAB	lab(35.17, 4.05, -37.10)
CIE-LCH	lch(35.17, 37.32, 276.23°)
OKLab	oklab(44.18% -0.0317 -0.1059)
OKLCH	oklch(44.18% 0.111 253.3)
XYZ	xyz(8.6161, 8.5839, 26.7887)
Luminance	0.0858 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F548E #8E591F

analogous

#1F8C8E #1F548E #211F8E

triadic

#1F548E #8E1F54 #548E1F

tetradic

#1F548E #8E1F8C #8E591F #1F8E21

square

#1F548E #8E1F8C #8E591F #1F8E21

split-complementary

#1F548E #8E211F #8C8E1F

monochromatic

#09192A #14365C #1F548E #2A72C0 #4F91D9

Accessibility & contrast

On white

7.73

#1F548E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#1F548E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F548E

7.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F548E	#FFFFFF	#000000	##FFFFFF
##1F548E	1.00	7.73	2.72	7.73
#FFFFFF	7.73	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#385890

Deuteranopia (green-blind)

#264E8D

Tritanopia (blue-blind)

#00626A

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #1f548e;
/* rgb */ color: rgb(31, 84, 142);
/* oklch */ color: oklch(44.2% 0.111 253.3);

Tailwind

colors: {
  custom: {
    50: '#6c83af',
    500: '#1f548e',
    950: '#000000',
  },
}

SCSS

$custom: #1f548e;
$custom-light: #6c83af;
$custom-dark: #000000;

JSON

{
  "hex": "#1f548e",
  "rgb": {
    "r": 31,
    "g": 84,
    "b": 142
  },
  "hsl": {
    "h": 211.351,
    "s": 64.162,
    "l": 33.922
  },
  "oklch": {
    "l": 0.44182,
    "c": 0.11058,
    "h": 253.3
  },
  "luminance": 0.08585
}

Semantic roles & 50–950 ramp

primary

#1F548E

secondary

#BB874D

accent

#9841E7

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#080A10

muted

#7A7C7F

Preview Lab

Preview with #1F548E

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

Preview Lab → · Contrast checker → · Palette generator →