#10354F#10354F

#10354F is a dark, moderate cyan. Relative luminance 0.032; OKLCH L 31.7% C 0.062 H 243.1°. Best body text is #FFFFFF at 12.77:1 contrast (WCAG AA passes).

Color values

HEX	#10354F
RGB	rgb(16, 53, 79)
HSL	hsl(205, 66%, 19%)
HSV	hsv(205, 80%, 31%)
CMYK	cmyk(79.7%, 32.9%, 0%, 69%)
CIE-LAB	lab(20.91, -2.89, -19.66)
CIE-LCH	lch(20.91, 19.87, 261.65°)
OKLab	oklab(31.66% -0.0282 -0.0556)
OKLCH	oklch(31.66% 0.062 243.1)
XYZ	xyz(2.8975, 3.2206, 7.8645)
Luminance	0.0322 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10354F #4F2A10

analogous

#104F49 #10354F #10154F

triadic

#10354F #4F1035 #354F10

tetradic

#10354F #49104F #4F2A10 #154F10

square

#10354F #49104F #4F2A10 #154F10

split-complementary

#10354F #4F1015 #4F4910

monochromatic

#051119 #06131C #10354F #1A5782 #2579B5

Accessibility & contrast

On white

12.77

#10354F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#10354F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10354F

12.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10354F	#FFFFFF	#000000	##FFFFFF
##10354F	1.00	12.77	1.64	12.77
#FFFFFF	12.77	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#293650

Deuteranopia (green-blind)

#20304F

Tritanopia (blue-blind)

#003B3E

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #10354f;
/* rgb */ color: rgb(16, 53, 79);
/* oklch */ color: oklch(31.7% 0.062 243.1);

Tailwind

colors: {
  custom: {
    50: '#586c80',
    500: '#10354f',
    950: '#000000',
  },
}

SCSS

$custom: #10354f;
$custom-light: #586c80;
$custom-dark: #000000;

JSON

{
  "hex": "#10354f",
  "rgb": {
    "r": 16,
    "g": 53,
    "b": 79
  },
  "hsl": {
    "h": 204.762,
    "s": 66.316,
    "l": 18.627
  },
  "oklch": {
    "l": 0.31657,
    "c": 0.06236,
    "h": 243.1
  },
  "luminance": 0.03221
}

Semantic roles & 50–950 ramp

primary

#10354F

secondary

#895632

accent

#853FE9

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#04060A

muted

#797A7C

Preview Lab

Preview with #10354F

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

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