#1F598A#1F598A

#1F598A is a mid, moderate cyan. Relative luminance 0.093; OKLCH L 45.1% C 0.100 H 247.9°. Best body text is #FFFFFF at 7.36:1 contrast (WCAG AA passes).

Color values

HEX	#1F598A
RGB	rgb(31, 89, 138)
HSL	hsl(207, 63%, 33%)
HSV	hsv(207, 78%, 54%)
CMYK	cmyk(77.5%, 35.5%, 0%, 45.9%)
CIE-LAB	lab(36.50, -0.75, -32.55)
CIE-LCH	lch(36.50, 32.56, 268.67°)
OKLab	oklab(45.15% -0.0376 -0.0925)
OKLCH	oklch(45.15% 0.1 247.9)
XYZ	xyz(8.7231, 9.2700, 25.3694)
Luminance	0.0927 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F598A #8A501F

analogous

#1F8A85 #1F598A #1F238A

triadic

#1F598A #8A1F59 #598A1F

tetradic

#1F598A #851F8A #8A501F #238A1F

square

#1F598A #851F8A #8A501F #238A1F

split-complementary

#1F598A #8A1F23 #8A851F

monochromatic

#091926 #143958 #1F598A #2A79BC #4C98D7

Accessibility & contrast

On white

7.36

#1F598A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.85

#1F598A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F598A

7.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F598A	#FFFFFF	#000000	##FFFFFF
##1F598A	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)

#425B8C

Deuteranopia (green-blind)

#335189

Tritanopia (blue-blind)

#00656B

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #1f598a;
/* rgb */ color: rgb(31, 89, 138);
/* oklch */ color: oklch(45.1% 0.100 247.9);

Tailwind

colors: {
  custom: {
    50: '#6b87ac',
    500: '#1f598a',
    950: '#000000',
  },
}

SCSS

$custom: #1f598a;
$custom-light: #6b87ac;
$custom-dark: #000000;

JSON

{
  "hex": "#1f598a",
  "rgb": {
    "r": 31,
    "g": 89,
    "b": 138
  },
  "hsl": {
    "h": 207.477,
    "s": 63.314,
    "l": 33.137
  },
  "oklch": {
    "l": 0.45148,
    "c": 0.09989,
    "h": 247.9
  },
  "luminance": 0.09271
}

Semantic roles & 50–950 ramp

primary

#1F598A

secondary

#BA7E4B

accent

#8D41E6

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#080B10

muted

#7A7C7F

Preview Lab

Preview with #1F598A

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

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