#1F5E8B#1F5E8B

#1F5E8B is a mid, moderate cyan. Relative luminance 0.102; OKLCH L 46.4% C 0.096 H 244.0°. Best body text is #FFFFFF at 6.93:1 contrast (WCAG AA passes).

Color values

HEX	#1F5E8B
RGB	rgb(31, 94, 139)
HSL	hsl(205, 64%, 33%)
HSV	hsv(205, 78%, 55%)
CMYK	cmyk(77.7%, 32.4%, 0%, 45.5%)
CIE-LAB	lab(38.13, -3.52, -30.59)
CIE-LCH	lch(38.13, 30.79, 263.44°)
OKLab	oklab(46.45% -0.0423 -0.0867)
OKLCH	oklch(46.45% 0.096 244)
XYZ	xyz(9.2262, 10.1597, 25.8959)
Luminance	0.1016 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F5E8B #8B4C1F

analogous

#1F8B82 #1F5E8B #1F288B

triadic

#1F5E8B #8B1F5E #5E8B1F

tetradic

#1F5E8B #821F8B #8B4C1F #288B1F

square

#1F5E8B #821F8B #8B4C1F #288B1F

split-complementary

#1F5E8B #8B1F28 #8B821F

monochromatic

#091A27 #143C59 #1F5E8B #2A80BD #4D9ED7

Accessibility & contrast

On white

6.93

#1F5E8B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.03

#1F5E8B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F5E8B

6.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F5E8B	#FFFFFF	#000000	##FFFFFF
##1F5E8B	1.00	6.93	3.03	6.93
#FFFFFF	6.93	1.00	21.00	1.00
#000000	3.03	21.00	1.00	21.00
##FFFFFF	6.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#495F8D

Deuteranopia (green-blind)

#3A558A

Tritanopia (blue-blind)

#00696E

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #1f5e8b;
/* rgb */ color: rgb(31, 94, 139);
/* oklch */ color: oklch(46.4% 0.096 244.0);

Tailwind

colors: {
  custom: {
    50: '#6b8bad',
    500: '#1f5e8b',
    950: '#000000',
  },
}

SCSS

$custom: #1f5e8b;
$custom-light: #6b8bad;
$custom-dark: #000000;

JSON

{
  "hex": "#1f5e8b",
  "rgb": {
    "r": 31,
    "g": 94,
    "b": 139
  },
  "hsl": {
    "h": 205,
    "s": 63.529,
    "l": 33.333
  },
  "oklch": {
    "l": 0.46449,
    "c": 0.09648,
    "h": 244
  },
  "luminance": 0.10161
}

Semantic roles & 50–950 ramp

primary

#1F5E8B

secondary

#BA7A4C

accent

#8641E7

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#080C10

muted

#7A7D7F

Preview Lab

Preview with #1F5E8B

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

Preview Lab → · Contrast checker → · Palette generator →