#10597E#10597E

#10597E is a dark, moderate cyan. Relative luminance 0.088; OKLCH L 44.1% C 0.090 H 237.3°. Best body text is #FFFFFF at 7.63:1 contrast (WCAG AA passes).

Color values

HEX	#10597E
RGB	rgb(16, 89, 126)
HSL	hsl(200, 77%, 28%)
HSV	hsv(200, 87%, 49%)
CMYK	cmyk(87.3%, 29.4%, 0%, 50.6%)
CIE-LAB	lab(35.52, -7.12, -26.78)
CIE-LCH	lch(35.52, 27.71, 255.10°)
OKLab	oklab(44.07% -0.0486 -0.0758)
OKLCH	oklch(44.07% 0.09 237.3)
XYZ	xyz(7.5504, 8.7603, 21.0276)
Luminance	0.0876 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10597E #7E3510

analogous

#107E6C #10597E #10227E

triadic

#10597E #7E1059 #597E10

tetradic

#10597E #6C107E #7E3510 #227E10

square

#10597E #6C107E #7E3510 #227E10

split-complementary

#10597E #7E1022 #7E6C10

monochromatic

#03131B #093348 #10597E #177FB4 #25A3E3

Accessibility & contrast

On white

7.63

#10597E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#10597E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10597E

7.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10597E	#FFFFFF	#000000	##FFFFFF
##10597E	1.00	7.63	2.75	7.63
#FFFFFF	7.63	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#475980

Deuteranopia (green-blind)

#394F7D

Tritanopia (blue-blind)

#006266

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #10597e;
/* rgb */ color: rgb(16, 89, 126);
/* oklch */ color: oklch(44.1% 0.090 237.3);

Tailwind

colors: {
  custom: {
    50: '#6487a3',
    500: '#10597e',
    950: '#000000',
  },
}

SCSS

$custom: #10597e;
$custom-light: #6487a3;
$custom-dark: #000000;

JSON

{
  "hex": "#10597e",
  "rgb": {
    "r": 16,
    "g": 89,
    "b": 126
  },
  "hsl": {
    "h": 200.182,
    "s": 77.465,
    "l": 27.843
  },
  "oklch": {
    "l": 0.44066,
    "c": 0.09005,
    "h": 237.3
  },
  "luminance": 0.08761
}

Semantic roles & 50–950 ramp

primary

#10597E

secondary

#B46036

accent

#7434F4

background

#F6F8FA

surface

#EBEFF4

border

#C6CACE

text

#060B0F

muted

#7A7C7F

Preview Lab

Preview with #10597E

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

Preview Lab → · Contrast checker → · Palette generator →