#1A587F#1A587F

#1A587F is a dark, moderate cyan. Relative luminance 0.087; OKLCH L 44.1% C 0.089 H 241.1°. Best body text is #FFFFFF at 7.65:1 contrast (WCAG AA passes).

Color values

HEX	#1A587F
RGB	rgb(26, 88, 127)
HSL	hsl(203, 66%, 30%)
HSV	hsv(203, 80%, 50%)
CMYK	cmyk(79.5%, 30.7%, 0%, 50.2%)
CIE-LAB	lab(35.46, -5.04, -27.47)
CIE-LCH	lch(35.46, 27.93, 259.60°)
OKLab	oklab(44.1% -0.0429 -0.0778)
OKLCH	oklch(44.1% 0.089 241.1)
XYZ	xyz(7.7450, 8.7304, 21.3515)
Luminance	0.0873 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A587F #7F411A

analogous

#1A7F73 #1A587F #1A267F

triadic

#1A587F #7F1A58 #587F1A

tetradic

#1A587F #731A7F #7F411A #267F1A

square

#1A587F #731A7F #7F411A #267F1A

split-complementary

#1A587F #7F1A26 #7F731A

monochromatic

#051219 #10354C #1A587F #247BB2 #3C9BD7

Accessibility & contrast

On white

7.65

#1A587F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#1A587F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A587F

7.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A587F	#FFFFFF	#000000	##FFFFFF
##1A587F	1.00	7.65	2.75	7.65
#FFFFFF	7.65	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#465981

Deuteranopia (green-blind)

#384F7E

Tritanopia (blue-blind)

#006266

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #1a587f;
/* rgb */ color: rgb(26, 88, 127);
/* oklch */ color: oklch(44.1% 0.089 241.1);

Tailwind

colors: {
  custom: {
    50: '#6787a4',
    500: '#1a587f',
    950: '#000000',
  },
}

SCSS

$custom: #1a587f;
$custom-light: #6787a4;
$custom-dark: #000000;

JSON

{
  "hex": "#1a587f",
  "rgb": {
    "r": 26,
    "g": 88,
    "b": 127
  },
  "hsl": {
    "h": 203.168,
    "s": 66.013,
    "l": 30
  },
  "oklch": {
    "l": 0.44097,
    "c": 0.08881,
    "h": 241.1
  },
  "luminance": 0.08731
}

Semantic roles & 50–950 ramp

primary

#1A587F

secondary

#B36E42

accent

#813FE9

background

#F6F8FA

surface

#EBEFF4

border

#C6CACE

text

#070B0F

muted

#7A7C7F

Preview Lab

Preview with #1A587F

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

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