#1F559E#1F559E

#1F559E is a mid, vivid cyan. Relative luminance 0.093; OKLCH L 45.5% C 0.131 H 257.2°. Best body text is #FFFFFF at 7.36:1 contrast (WCAG AA passes).

Color values

HEX	#1F559E
RGB	rgb(31, 85, 158)
HSL	hsl(214, 67%, 37%)
HSV	hsv(214, 80%, 62%)
CMYK	cmyk(80.4%, 46.2%, 0%, 38%)
CIE-LAB	lab(36.47, 9.74, -44.69)
CIE-LCH	lch(36.47, 45.73, 282.29°)
OKLab	oklab(45.52% -0.0291 -0.1282)
OKLCH	oklch(45.52% 0.131 257.2)
XYZ	xyz(9.9829, 9.2557, 33.6015)
Luminance	0.0926 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F559E #9E681F

analogous

#1F959E #1F559E #281F9E

triadic

#1F559E #9E1F55 #559E1F

tetradic

#1F559E #9E1F95 #9E681F #1F9E28

square

#1F559E #9E1F95 #9E681F #1F9E28

split-complementary

#1F559E #9E281F #959E1F

monochromatic

#0B1E38 #15396B #1F559E #2971D1 #5992DE

Accessibility & contrast

On white

7.36

#1F559E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.85

#1F559E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F559E

7.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F559E	#FFFFFF	#000000	##FFFFFF
##1F559E	1.00	7.36	2.85	7.36
#FFFFFF	7.36	1.00	21.00	1.00
#000000	2.85	21.00	1.00	21.00
##FFFFFF	7.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E5CA1

Deuteranopia (green-blind)

#10509D

Tritanopia (blue-blind)

#006672

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #1f559e;
/* rgb */ color: rgb(31, 85, 158);
/* oklch */ color: oklch(45.5% 0.131 257.2);

Tailwind

colors: {
  custom: {
    50: '#6f84bb',
    500: '#1f559e',
    950: '#000000',
  },
}

SCSS

$custom: #1f559e;
$custom-light: #6f84bb;
$custom-dark: #000000;

JSON

{
  "hex": "#1f559e",
  "rgb": {
    "r": 31,
    "g": 85,
    "b": 158
  },
  "hsl": {
    "h": 214.488,
    "s": 67.196,
    "l": 37.059
  },
  "oklch": {
    "l": 0.45515,
    "c": 0.13148,
    "h": 257.2
  },
  "luminance": 0.09257
}

Semantic roles & 50–950 ramp

primary

#1F559E

secondary

#C29456

accent

#A13EEA

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #1F559E

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

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