#1B58AA#1B58AA

#1B58AA is a mid, vivid cyan. Relative luminance 0.101; OKLCH L 47.0% C 0.145 H 257.5°. Best body text is #FFFFFF at 6.95:1 contrast (WCAG AA passes).

Color values

HEX	#1B58AA
RGB	rgb(27, 88, 170)
HSL	hsl(214, 73%, 39%)
HSV	hsv(214, 84%, 67%)
CMYK	cmyk(84.1%, 48.2%, 0%, 33.3%)
CIE-LAB	lab(38.05, 12.14, -49.32)
CIE-LCH	lch(38.05, 50.79, 283.83°)
OKLab	oklab(46.95% -0.0315 -0.1418)
OKLCH	oklch(46.95% 0.145 257.5)
XYZ	xyz(11.1947, 10.1133, 39.3845)
Luminance	0.1012 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B58AA #AA6D1B

analogous

#1B9FAA #1B58AA #261BAA

triadic

#1B58AA #AA1B58 #58AA1B

tetradic

#1B58AA #AA1B9F #AA6D1B #1BAA26

square

#1B58AA #AA1B9F #AA6D1B #1BAA26

split-complementary

#1B58AA #AA261B #9FAA1B

monochromatic

#0A2140 #133D75 #1B58AA #2674DC #5B96E5

Accessibility & contrast

On white

6.95

#1B58AA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.02

#1B58AA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B58AA

6.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B58AA	#FFFFFF	#000000	##FFFFFF
##1B58AA	1.00	6.95	3.02	6.95
#FFFFFF	6.95	1.00	21.00	1.00
#000000	3.02	21.00	1.00	21.00
##FFFFFF	6.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2960AD

Deuteranopia (green-blind)

#0054A8

Tritanopia (blue-blind)

#006C79

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #1b58aa;
/* rgb */ color: rgb(27, 88, 170);
/* oklch */ color: oklch(47.0% 0.145 257.5);

Tailwind

colors: {
  custom: {
    50: '#7186c4',
    500: '#1b58aa',
    950: '#000000',
  },
}

SCSS

$custom: #1b58aa;
$custom-light: #7186c4;
$custom-dark: #000000;

JSON

{
  "hex": "#1b58aa",
  "rgb": {
    "r": 27,
    "g": 88,
    "b": 170
  },
  "hsl": {
    "h": 214.406,
    "s": 72.589,
    "l": 38.627
  },
  "oklch": {
    "l": 0.46953,
    "c": 0.1453,
    "h": 257.5
  },
  "luminance": 0.10115
}

Semantic roles & 50–950 ramp

primary

#1B58AA

secondary

#C99958

accent

#A139EF

background

#F7F8FC

surface

#EDEFF8

border

#C8CAD1

text

#090B13

muted

#7B7C82

Preview Lab

Preview with #1B58AA

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

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