#1F5F8E#1F5F8E

#1F5F8E is a mid, moderate cyan. Relative luminance 0.104; OKLCH L 46.9% C 0.099 H 244.8°. Best body text is #FFFFFF at 6.81:1 contrast (WCAG AA passes).

Color values

HEX	#1F5F8E
RGB	rgb(31, 95, 142)
HSL	hsl(205, 64%, 34%)
HSV	hsv(205, 78%, 56%)
CMYK	cmyk(78.2%, 33.1%, 0%, 44.3%)
CIE-LAB	lab(38.60, -2.99, -31.66)
CIE-LCH	lch(38.60, 31.80, 264.60°)
OKLab	oklab(46.87% -0.0423 -0.0898)
OKLCH	oklch(46.87% 0.099 244.8)
XYZ	xyz(9.5379, 10.4276, 27.0960)
Luminance	0.1043 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F5F8E #8E4E1F

analogous

#1F8E86 #1F5F8E #1F288E

triadic

#1F5F8E #8E1F5F #5F8E1F

tetradic

#1F5F8E #861F8E #8E4E1F #288E1F

square

#1F5F8E #861F8E #8E4E1F #288E1F

split-complementary

#1F5F8E #8E1F28 #8E861F

monochromatic

#091C2A #143D5C #1F5F8E #2A81C0 #4F9ED9

Accessibility & contrast

On white

6.81

#1F5F8E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.09

#1F5F8E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F5F8E

6.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F5F8E	#FFFFFF	#000000	##FFFFFF
##1F5F8E	1.00	6.81	3.09	6.81
#FFFFFF	6.81	1.00	21.00	1.00
#000000	3.09	21.00	1.00	21.00
##FFFFFF	6.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#496190

Deuteranopia (green-blind)

#3A568D

Tritanopia (blue-blind)

#006A70

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #1f5f8e;
/* rgb */ color: rgb(31, 95, 142);
/* oklch */ color: oklch(46.9% 0.099 244.8);

Tailwind

colors: {
  custom: {
    50: '#6c8caf',
    500: '#1f5f8e',
    950: '#000000',
  },
}

SCSS

$custom: #1f5f8e;
$custom-light: #6c8caf;
$custom-dark: #000000;

JSON

{
  "hex": "#1f5f8e",
  "rgb": {
    "r": 31,
    "g": 95,
    "b": 142
  },
  "hsl": {
    "h": 205.405,
    "s": 64.162,
    "l": 33.922
  },
  "oklch": {
    "l": 0.46872,
    "c": 0.0993,
    "h": 244.8
  },
  "luminance": 0.10429
}

Semantic roles & 50–950 ramp

primary

#1F5F8E

secondary

#BB7C4D

accent

#8741E7

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#080C10

muted

#7A7D7F

Preview Lab

Preview with #1F5F8E

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

Preview Lab → · Contrast checker → · Palette generator →