#1F5E8A#1F5E8A

#1F5E8A is a mid, moderate cyan. Relative luminance 0.101; OKLCH L 46.4% C 0.095 H 243.4°. Best body text is #FFFFFF at 6.94:1 contrast (WCAG AA passes).

Color values

HEX	#1F5E8A
RGB	rgb(31, 94, 138)
HSL	hsl(205, 63%, 33%)
HSV	hsv(205, 78%, 54%)
CMYK	cmyk(77.5%, 31.9%, 0%, 45.9%)
CIE-LAB	lab(38.08, -3.90, -30.07)
CIE-LCH	lch(38.08, 30.32, 262.61°)
OKLab	oklab(46.39% -0.0426 -0.0852)
OKLCH	oklch(46.39% 0.095 243.4)
XYZ	xyz(9.1534, 10.1306, 25.5128)
Luminance	0.1013 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F5E8A #8A4B1F

analogous

#1F8A80 #1F5E8A #1F288A

triadic

#1F5E8A #8A1F5E #5E8A1F

tetradic

#1F5E8A #801F8A #8A4B1F #288A1F

square

#1F5E8A #801F8A #8A4B1F #288A1F

split-complementary

#1F5E8A #8A1F28 #8A801F

monochromatic

#091A26 #143C58 #1F5E8A #2A80BC #4C9ED7

Accessibility & contrast

On white

6.94

#1F5E8A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.03

#1F5E8A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F5E8A

6.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F5E8A	#FFFFFF	#000000	##FFFFFF
##1F5E8A	1.00	6.94	3.03	6.94
#FFFFFF	6.94	1.00	21.00	1.00
#000000	3.03	21.00	1.00	21.00
##FFFFFF	6.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A5F8C

Deuteranopia (green-blind)

#3B5589

Tritanopia (blue-blind)

#00696E

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #1f5e8a;
/* rgb */ color: rgb(31, 94, 138);
/* oklch */ color: oklch(46.4% 0.095 243.4);

Tailwind

colors: {
  custom: {
    50: '#6b8bac',
    500: '#1f5e8a',
    950: '#000000',
  },
}

SCSS

$custom: #1f5e8a;
$custom-light: #6b8bac;
$custom-dark: #000000;

JSON

{
  "hex": "#1f5e8a",
  "rgb": {
    "r": 31,
    "g": 94,
    "b": 138
  },
  "hsl": {
    "h": 204.673,
    "s": 63.314,
    "l": 33.137
  },
  "oklch": {
    "l": 0.46391,
    "c": 0.09525,
    "h": 243.4
  },
  "luminance": 0.10132
}

Semantic roles & 50–950 ramp

primary

#1F5E8A

secondary

#BA794B

accent

#8541E6

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#080C10

muted

#7A7D7F

Preview Lab

Preview with #1F5E8A

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

Preview Lab → · Contrast checker → · Palette generator →