#10598D#10598D

#10598D is a dark, moderate cyan. Relative luminance 0.092; OKLCH L 45.0% C 0.108 H 246.1°. Best body text is #FFFFFF at 7.41:1 contrast (WCAG AA passes).

Color values

HEX	#10598D
RGB	rgb(16, 89, 141)
HSL	hsl(205, 80%, 31%)
HSV	hsv(205, 89%, 55%)
CMYK	cmyk(88.7%, 36.9%, 0%, 44.7%)
CIE-LAB	lab(36.32, -1.13, -34.68)
CIE-LCH	lch(36.32, 34.70, 268.13°)
OKLab	oklab(44.97% -0.0437 -0.0989)
OKLCH	oklch(44.97% 0.108 246.1)
XYZ	xyz(8.5919, 9.1769, 26.5126)
Luminance	0.0918 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10598D #8D4410

analogous

#108D82 #10598D #101A8D

triadic

#10598D #8D1059 #598D10

tetradic

#10598D #82108D #8D4410 #1A8D10

square

#10598D #82108D #8D4410 #1A8D10

split-complementary

#10598D #8D101A #8D8210

monochromatic

#04141F #0A3656 #10598D #167CC4 #309BE7

Accessibility & contrast

On white

7.41

#10598D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.84

#10598D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10598D

7.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10598D	#FFFFFF	#000000	##FFFFFF
##10598D	1.00	7.41	2.84	7.41
#FFFFFF	7.41	1.00	21.00	1.00
#000000	2.84	21.00	1.00	21.00
##FFFFFF	7.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#405B8F

Deuteranopia (green-blind)

#2E518C

Tritanopia (blue-blind)

#00666C

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #10598d;
/* rgb */ color: rgb(16, 89, 141);
/* oklch */ color: oklch(45.0% 0.108 246.1);

Tailwind

colors: {
  custom: {
    50: '#6887ae',
    500: '#10598d',
    950: '#000000',
  },
}

SCSS

$custom: #10598d;
$custom-light: #6887ae;
$custom-dark: #000000;

JSON

{
  "hex": "#10598d",
  "rgb": {
    "r": 16,
    "g": 89,
    "b": 141
  },
  "hsl": {
    "h": 204.96,
    "s": 79.618,
    "l": 30.784
  },
  "oklch": {
    "l": 0.44965,
    "c": 0.10812,
    "h": 246.1
  },
  "luminance": 0.09178
}

Semantic roles & 50–950 ramp

primary

#10598D

secondary

#C27137

accent

#8332F6

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#070B10

muted

#7A7C7F

Preview Lab

Preview with #10598D

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

Preview Lab → · Contrast checker → · Palette generator →