#1A587E#1A587E

#1A587E is a dark, moderate cyan. Relative luminance 0.087; OKLCH L 44.0% C 0.088 H 240.4°. Best body text is #FFFFFF at 7.66:1 contrast (WCAG AA passes).

Color values

HEX	#1A587E
RGB	rgb(26, 88, 126)
HSL	hsl(203, 66%, 30%)
HSV	hsv(203, 79%, 49%)
CMYK	cmyk(79.4%, 30.2%, 0%, 50.6%)
CIE-LAB	lab(35.41, -5.43, -26.94)
CIE-LCH	lch(35.41, 27.48, 258.61°)
OKLab	oklab(44.04% -0.0432 -0.0762)
OKLCH	oklch(44.04% 0.088 240.4)
XYZ	xyz(7.6801, 8.7045, 21.0100)
Luminance	0.0871 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A587E #7E401A

analogous

#1A7E72 #1A587E #1A267E

triadic

#1A587E #7E1A58 #587E1A

tetradic

#1A587E #721A7E #7E401A #267E1A

square

#1A587E #721A7E #7E401A #267E1A

split-complementary

#1A587E #7E1A26 #7E721A

monochromatic

#051219 #10354B #1A587E #247BB1 #3C9CD7

Accessibility & contrast

On white

7.66

#1A587E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#1A587E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A587E

7.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A587E	#FFFFFF	#000000	##FFFFFF
##1A587E	1.00	7.66	2.74	7.66
#FFFFFF	7.66	1.00	21.00	1.00
#000000	2.74	21.00	1.00	21.00
##FFFFFF	7.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#465880

Deuteranopia (green-blind)

#384F7D

Tritanopia (blue-blind)

#006165

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #1a587e;
/* rgb */ color: rgb(26, 88, 126);
/* oklch */ color: oklch(44.0% 0.088 240.4);

Tailwind

colors: {
  custom: {
    50: '#6787a3',
    500: '#1a587e',
    950: '#000000',
  },
}

SCSS

$custom: #1a587e;
$custom-light: #6787a3;
$custom-dark: #000000;

JSON

{
  "hex": "#1a587e",
  "rgb": {
    "r": 26,
    "g": 88,
    "b": 126
  },
  "hsl": {
    "h": 202.8,
    "s": 65.789,
    "l": 29.804
  },
  "oklch": {
    "l": 0.4404,
    "c": 0.08763,
    "h": 240.4
  },
  "luminance": 0.08705
}

Semantic roles & 50–950 ramp

primary

#1A587E

secondary

#B26C42

accent

#803FE9

background

#F6F8FA

surface

#EBEFF4

border

#C6CACE

text

#070B0F

muted

#7A7C7F

Preview Lab

Preview with #1A587E

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

Preview Lab → · Contrast checker → · Palette generator →