#1F58A0#1F58A0

#1F58A0 is a mid, vivid cyan. Relative luminance 0.098; OKLCH L 46.3% C 0.131 H 256.2°. Best body text is #FFFFFF at 7.09:1 contrast (WCAG AA passes).

Color values

HEX	#1F58A0
RGB	rgb(31, 88, 160)
HSL	hsl(213, 68%, 37%)
HSV	hsv(213, 81%, 63%)
CMYK	cmyk(80.6%, 45%, 0%, 37.3%)
CIE-LAB	lab(37.49, 8.55, -44.24)
CIE-LCH	lch(37.49, 45.06, 280.94°)
OKLab	oklab(46.35% -0.0312 -0.1268)
OKLCH	oklch(46.35% 0.131 256.2)
XYZ	xyz(10.3976, 9.8076, 34.5959)
Luminance	0.0981 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F58A0 #A0671F

analogous

#1F99A0 #1F58A0 #261FA0

triadic

#1F58A0 #A01F58 #58A01F

tetradic

#1F58A0 #A01F99 #A0671F #1FA026

square

#1F58A0 #A01F99 #A0671F #1FA026

split-complementary

#1F58A0 #A0261F #99A01F

monochromatic

#0B2039 #153C6D #1F58A0 #2974D3 #5A95DF

Accessibility & contrast

On white

7.09

#1F58A0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.96

#1F58A0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F58A0

7.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F58A0	#FFFFFF	#000000	##FFFFFF
##1F58A0	1.00	7.09	2.96	7.09
#FFFFFF	7.09	1.00	21.00	1.00
#000000	2.96	21.00	1.00	21.00
##FFFFFF	7.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#335EA3

Deuteranopia (green-blind)

#18539F

Tritanopia (blue-blind)

#006974

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #1f58a0;
/* rgb */ color: rgb(31, 88, 160);
/* oklch */ color: oklch(46.3% 0.131 256.2);

Tailwind

colors: {
  custom: {
    50: '#7086bc',
    500: '#1f58a0',
    950: '#000000',
  },
}

SCSS

$custom: #1f58a0;
$custom-light: #7086bc;
$custom-dark: #000000;

JSON

{
  "hex": "#1f58a0",
  "rgb": {
    "r": 31,
    "g": 88,
    "b": 160
  },
  "hsl": {
    "h": 213.488,
    "s": 67.539,
    "l": 37.451
  },
  "oklch": {
    "l": 0.46347,
    "c": 0.13064,
    "h": 256.2
  },
  "luminance": 0.09809
}

Semantic roles & 50–950 ramp

primary

#1F58A0

secondary

#C39458

accent

#9E3DEA

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #1F58A0

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

Preview Lab → · Contrast checker → · Palette generator →