#10587E#10587E

#10587E is a dark, moderate cyan. Relative luminance 0.086; OKLCH L 43.8% C 0.091 H 238.4°. Best body text is #FFFFFF at 7.72:1 contrast (WCAG AA passes).

Color values

HEX	#10587E
RGB	rgb(16, 88, 126)
HSL	hsl(201, 77%, 28%)
HSV	hsv(201, 87%, 49%)
CMYK	cmyk(87.3%, 30.2%, 0%, 50.6%)
CIE-LAB	lab(35.19, -6.51, -27.29)
CIE-LCH	lch(35.19, 28.06, 256.59°)
OKLab	oklab(43.81% -0.0476 -0.0773)
OKLCH	oklch(43.81% 0.091 238.4)
XYZ	xyz(7.4678, 8.5950, 21.0000)
Luminance	0.0860 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10587E #7E3610

analogous

#107E6D #10587E #10217E

triadic

#10587E #7E1058 #587E10

tetradic

#10587E #6D107E #7E3610 #217E10

square

#10587E #6D107E #7E3610 #217E10

split-complementary

#10587E #7E1021 #7E6D10

monochromatic

#03131B #093248 #10587E #177EB4 #25A2E3

Accessibility & contrast

On white

7.72

#10587E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#10587E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10587E

7.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10587E	#FFFFFF	#000000	##FFFFFF
##10587E	1.00	7.72	2.72	7.72
#FFFFFF	7.72	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#465880

Deuteranopia (green-blind)

#374E7D

Tritanopia (blue-blind)

#006265

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #10587e;
/* rgb */ color: rgb(16, 88, 126);
/* oklch */ color: oklch(43.8% 0.091 238.4);

Tailwind

colors: {
  custom: {
    50: '#6487a3',
    500: '#10587e',
    950: '#000000',
  },
}

SCSS

$custom: #10587e;
$custom-light: #6487a3;
$custom-dark: #000000;

JSON

{
  "hex": "#10587e",
  "rgb": {
    "r": 16,
    "g": 88,
    "b": 126
  },
  "hsl": {
    "h": 200.727,
    "s": 77.465,
    "l": 27.843
  },
  "oklch": {
    "l": 0.43806,
    "c": 0.09081,
    "h": 238.4
  },
  "luminance": 0.08596
}

Semantic roles & 50–950 ramp

primary

#10587E

secondary

#B46136

accent

#7634F4

background

#F6F8FA

surface

#EBEFF4

border

#C6CACE

text

#060B0F

muted

#7A7C7F

Preview Lab

Preview with #10587E

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

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