#1F599A#1F599A

#1F599A is a mid, vivid cyan. Relative luminance 0.098; OKLCH L 46.2% C 0.121 H 254.0°. Best body text is #FFFFFF at 7.11:1 contrast (WCAG AA passes).

Color values

HEX	#1F599A
RGB	rgb(31, 89, 154)
HSL	hsl(212, 66%, 36%)
HSV	hsv(212, 80%, 60%)
CMYK	cmyk(79.9%, 42.2%, 0%, 39.6%)
CIE-LAB	lab(37.42, 5.52, -40.76)
CIE-LCH	lch(37.42, 41.13, 277.71°)
OKLab	oklab(46.17% -0.0334 -0.1166)
OKLCH	oklch(46.17% 0.121 254)
XYZ	xyz(9.9680, 9.7680, 31.9256)
Luminance	0.0977 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F599A #9A601F

analogous

#1F979A #1F599A #231F9A

triadic

#1F599A #9A1F59 #599A1F

tetradic

#1F599A #9A1F97 #9A601F #1F9A23

square

#1F599A #9A1F97 #9A601F #1F9A23

split-complementary

#1F599A #9A231F #979A1F

monochromatic

#0A1E34 #153C67 #1F599A #2976CD #5696DD

Accessibility & contrast

On white

7.11

#1F599A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.95

#1F599A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F599A

7.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F599A	#FFFFFF	#000000	##FFFFFF
##1F599A	1.00	7.11	2.95	7.11
#FFFFFF	7.11	1.00	21.00	1.00
#000000	2.95	21.00	1.00	21.00
##FFFFFF	7.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#395E9D

Deuteranopia (green-blind)

#245399

Tritanopia (blue-blind)

#006872

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #1f599a;
/* rgb */ color: rgb(31, 89, 154);
/* oklch */ color: oklch(46.2% 0.121 254.0);

Tailwind

colors: {
  custom: {
    50: '#6e87b8',
    500: '#1f599a',
    950: '#000000',
  },
}

SCSS

$custom: #1f599a;
$custom-light: #6e87b8;
$custom-dark: #000000;

JSON

{
  "hex": "#1f599a",
  "rgb": {
    "r": 31,
    "g": 89,
    "b": 154
  },
  "hsl": {
    "h": 211.707,
    "s": 66.486,
    "l": 36.275
  },
  "oklch": {
    "l": 0.46171,
    "c": 0.12129,
    "h": 254
  },
  "luminance": 0.09769
}

Semantic roles & 50–950 ramp

primary

#1F599A

secondary

#C18D54

accent

#993EE9

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#080B11

muted

#7B7C80

Preview Lab

Preview with #1F599A

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

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