#1B5A87#1B5A87

#1B5A87 is a mid, moderate cyan. Relative luminance 0.093; OKLCH L 45.1% C 0.097 H 244.4°. Best body text is #FFFFFF at 7.35:1 contrast (WCAG AA passes).

Color values

HEX	#1B5A87
RGB	rgb(27, 90, 135)
HSL	hsl(205, 67%, 32%)
HSV	hsv(205, 80%, 53%)
CMYK	cmyk(80%, 33.3%, 0%, 47.1%)
CIE-LAB	lab(36.54, -3.06, -30.66)
CIE-LCH	lch(36.54, 30.81, 264.29°)
OKLab	oklab(45.1% -0.0417 -0.087)
OKLCH	oklch(45.1% 0.097 244.4)
XYZ	xyz(8.4796, 9.2936, 24.2639)
Luminance	0.0930 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5A87 #87481B

analogous

#1B877E #1B5A87 #1B2487

triadic

#1B5A87 #871B5A #5A871B

tetradic

#1B5A87 #7E1B87 #87481B #24871B

square

#1B5A87 #7E1B87 #87481B #24871B

split-complementary

#1B5A87 #871B24 #877E1B

monochromatic

#071621 #113854 #1B5A87 #257CBA #439BD9

Accessibility & contrast

On white

7.35

#1B5A87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.86

#1B5A87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5A87

7.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5A87	#FFFFFF	#000000	##FFFFFF
##1B5A87	1.00	7.35	2.86	7.35
#FFFFFF	7.35	1.00	21.00	1.00
#000000	2.86	21.00	1.00	21.00
##FFFFFF	7.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#455B89

Deuteranopia (green-blind)

#365186

Tritanopia (blue-blind)

#00656A

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #1b5a87;
/* rgb */ color: rgb(27, 90, 135);
/* oklch */ color: oklch(45.1% 0.097 244.4);

Tailwind

colors: {
  custom: {
    50: '#6988aa',
    500: '#1b5a87',
    950: '#000000',
  },
}

SCSS

$custom: #1b5a87;
$custom-light: #6988aa;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5a87",
  "rgb": {
    "r": 27,
    "g": 90,
    "b": 135
  },
  "hsl": {
    "h": 205,
    "s": 66.667,
    "l": 31.765
  },
  "oklch": {
    "l": 0.45099,
    "c": 0.09651,
    "h": 244.4
  },
  "luminance": 0.09295
}

Semantic roles & 50–950 ramp

primary

#1B5A87

secondary

#BA7544

accent

#863EEA

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#070B10

muted

#7A7C7F

Preview Lab

Preview with #1B5A87

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

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