#1B5C87#1B5C87

#1B5C87 is a mid, moderate cyan. Relative luminance 0.096; OKLCH L 45.6% C 0.095 H 242.5°. Best body text is #FFFFFF at 7.17:1 contrast (WCAG AA passes).

Color values

HEX	#1B5C87
RGB	rgb(27, 92, 135)
HSL	hsl(204, 67%, 32%)
HSV	hsv(204, 80%, 53%)
CMYK	cmyk(80%, 31.9%, 0%, 47.1%)
CIE-LAB	lab(37.18, -4.32, -29.66)
CIE-LCH	lch(37.18, 29.97, 261.72°)
OKLab	oklab(45.6% -0.0437 -0.0841)
OKLCH	oklch(45.6% 0.095 242.5)
XYZ	xyz(8.6506, 9.6355, 24.3209)
Luminance	0.0964 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5C87 #87461B

analogous

#1B877C #1B5C87 #1B2687

triadic

#1B5C87 #871B5C #5C871B

tetradic

#1B5C87 #7C1B87 #87461B #26871B

square

#1B5C87 #7C1B87 #87461B #26871B

split-complementary

#1B5C87 #871B26 #877C1B

monochromatic

#071621 #113954 #1B5C87 #257FBA #439ED9

Accessibility & contrast

On white

7.17

#1B5C87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.93

#1B5C87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5C87

7.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5C87	#FFFFFF	#000000	##FFFFFF
##1B5C87	1.00	7.17	2.93	7.17
#FFFFFF	7.17	1.00	21.00	1.00
#000000	2.93	21.00	1.00	21.00
##FFFFFF	7.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#485D89

Deuteranopia (green-blind)

#395386

Tritanopia (blue-blind)

#00676B

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #1b5c87;
/* rgb */ color: rgb(27, 92, 135);
/* oklch */ color: oklch(45.6% 0.095 242.5);

Tailwind

colors: {
  custom: {
    50: '#698aaa',
    500: '#1b5c87',
    950: '#000000',
  },
}

SCSS

$custom: #1b5c87;
$custom-light: #698aaa;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5c87",
  "rgb": {
    "r": 27,
    "g": 92,
    "b": 135
  },
  "hsl": {
    "h": 203.889,
    "s": 66.667,
    "l": 31.765
  },
  "oklch": {
    "l": 0.45602,
    "c": 0.09475,
    "h": 242.5
  },
  "luminance": 0.09637
}

Semantic roles & 50–950 ramp

primary

#1B5C87

secondary

#BA7344

accent

#823EEA

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#070B10

muted

#7A7C7F

Preview Lab

Preview with #1B5C87

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

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