#1A587B#1A587B

#1A587B is a dark, moderate cyan. Relative luminance 0.086; OKLCH L 43.9% C 0.084 H 238.2°. Best body text is #FFFFFF at 7.70:1 contrast (WCAG AA passes).

Color values

HEX	#1A587B
RGB	rgb(26, 88, 123)
HSL	hsl(202, 65%, 29%)
HSV	hsv(202, 79%, 48%)
CMYK	cmyk(78.9%, 28.5%, 0%, 51.8%)
CIE-LAB	lab(35.26, -6.58, -25.32)
CIE-LCH	lch(35.26, 26.17, 255.43°)
OKLab	oklab(43.87% -0.0443 -0.0715)
OKLCH	oklch(43.87% 0.084 238.2)
XYZ	xyz(7.4895, 8.6282, 20.0057)
Luminance	0.0863 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A587B #7B3D1A

analogous

#1A7B6E #1A587B #1A287B

triadic

#1A587B #7B1A58 #587B1A

tetradic

#1A587B #6E1A7B #7B3D1A #287B1A

square

#1A587B #6E1A7B #7B3D1A #287B1A

split-complementary

#1A587B #7B1A28 #7B6E1A

monochromatic

#051219 #0F3448 #1A587B #257CAE #3A9DD5

Accessibility & contrast

On white

7.70

#1A587B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#1A587B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A587B

7.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A587B	#FFFFFF	#000000	##FFFFFF
##1A587B	1.00	7.70	2.73	7.70
#FFFFFF	7.70	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#47587D

Deuteranopia (green-blind)

#3A4F7A

Tritanopia (blue-blind)

#006164

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #1a587b;
/* rgb */ color: rgb(26, 88, 123);
/* oklch */ color: oklch(43.9% 0.084 238.2);

Tailwind

colors: {
  custom: {
    50: '#6687a1',
    500: '#1a587b',
    950: '#000000',
  },
}

SCSS

$custom: #1a587b;
$custom-light: #6687a1;
$custom-dark: #000000;

JSON

{
  "hex": "#1a587b",
  "rgb": {
    "r": 26,
    "g": 88,
    "b": 123
  },
  "hsl": {
    "h": 201.649,
    "s": 65.101,
    "l": 29.216
  },
  "oklch": {
    "l": 0.43871,
    "c": 0.08413,
    "h": 238.2
  },
  "luminance": 0.08629
}

Semantic roles & 50–950 ramp

primary

#1A587B

secondary

#AF6942

accent

#7C40E8

background

#F6F8F9

surface

#EBEFF2

border

#C6CACC

text

#070B0F

muted

#7A7C7E

Preview Lab

Preview with #1A587B

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

Preview Lab → · Contrast checker → · Palette generator →