#10455A#10455A

#10455A is a dark, moderate cyan. Relative luminance 0.051; OKLCH L 36.7% C 0.064 H 229.4°. Best body text is #FFFFFF at 10.39:1 contrast (WCAG AA passes).

Color values

HEX	#10455A
RGB	rgb(16, 69, 90)
HSL	hsl(197, 70%, 21%)
HSV	hsv(197, 82%, 35%)
CMYK	cmyk(82.2%, 23.3%, 0%, 64.7%)
CIE-LAB	lab(27.03, -8.89, -17.34)
CIE-LCH	lch(27.03, 19.48, 242.85°)
OKLab	oklab(36.71% -0.0418 -0.0487)
OKLCH	oklch(36.71% 0.064 229.4)
XYZ	xyz(4.1865, 5.1041, 10.4354)
Luminance	0.0510 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10455A #5A2510

analogous

#105A4A #10455A #10205A

triadic

#10455A #5A1045 #455A10

tetradic

#10455A #4A105A #5A2510 #205A10

square

#10455A #4A105A #5A2510 #205A10

split-complementary

#10455A #5A1020 #5A4A10

monochromatic

#05141A #071D26 #10455A #196D8E #2295C2

Accessibility & contrast

On white

10.39

#10455A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#10455A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10455A

10.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10455A	#FFFFFF	#000000	##FFFFFF
##10455A	1.00	10.39	2.02	10.39
#FFFFFF	10.39	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A445B

Deuteranopia (green-blind)

#303D5A

Tritanopia (blue-blind)

#004B4C

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #10455a;
/* rgb */ color: rgb(16, 69, 90);
/* oklch */ color: oklch(36.7% 0.064 229.4);

Tailwind

colors: {
  custom: {
    50: '#5b7888',
    500: '#10455a',
    950: '#000000',
  },
}

SCSS

$custom: #10455a;
$custom-light: #5b7888;
$custom-dark: #000000;

JSON

{
  "hex": "#10455a",
  "rgb": {
    "r": 16,
    "g": 69,
    "b": 90
  },
  "hsl": {
    "h": 197.027,
    "s": 69.811,
    "l": 20.784
  },
  "oklch": {
    "l": 0.36712,
    "c": 0.06423,
    "h": 229.4
  },
  "luminance": 0.05105
}

Semantic roles & 50–950 ramp

primary

#10455A

secondary

#934E33

accent

#6E3BED

background

#F5F7F8

surface

#E9EDF0

border

#C5C8CB

text

#04090B

muted

#797B7C

Preview Lab

Preview with #10455A

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

Preview Lab → · Contrast checker → · Palette generator →