#0A273C#0A273C

#0A273C is a dark, muted cyan. Relative luminance 0.018; OKLCH L 26.3% C 0.052 H 243.8°. Best body text is #FFFFFF at 15.35:1 contrast (WCAG AA passes).

Color values

HEX	#0A273C
RGB	rgb(10, 39, 60)
HSL	hsl(205, 71%, 14%)
HSV	hsv(205, 83%, 24%)
CMYK	cmyk(83.3%, 35%, 0%, 76.5%)
CIE-LAB	lab(14.63, -2.16, -16.55)
CIE-LCH	lch(14.63, 16.69, 262.57°)
OKLab	oklab(26.28% -0.023 -0.0468)
OKLCH	oklch(26.28% 0.052 243.8)
XYZ	xyz(1.6660, 1.8416, 4.5418)
Luminance	0.0184 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A273C #3C1F0A

analogous

#0A3C38 #0A273C #0A0E3C

triadic

#0A273C #3C0A27 #273C0A

tetradic

#0A273C #380A3C #3C1F0A #0E3C0A

square

#0A273C #380A3C #3C1F0A #0E3C0A

split-complementary

#0A273C #3C0A0E #3C380A

monochromatic

#04111A #04111A #0A273C #134970 #1B6BA5

Accessibility & contrast

On white

15.35

#0A273C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#0A273C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A273C

15.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A273C	#FFFFFF	#000000	##FFFFFF
##0A273C	1.00	15.35	1.37	15.35
#FFFFFF	15.35	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D283D

Deuteranopia (green-blind)

#16233C

Tritanopia (blue-blind)

#002C2E

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #0a273c;
/* rgb */ color: rgb(10, 39, 60);
/* oklch */ color: oklch(26.3% 0.052 243.8);

Tailwind

colors: {
  custom: {
    50: '#516072',
    500: '#0a273c',
    950: '#000000',
  },
}

SCSS

$custom: #0a273c;
$custom-light: #516072;
$custom-dark: #000000;

JSON

{
  "hex": "#0a273c",
  "rgb": {
    "r": 10,
    "g": 39,
    "b": 60
  },
  "hsl": {
    "h": 205.2,
    "s": 71.429,
    "l": 13.725
  },
  "oklch": {
    "l": 0.26285,
    "c": 0.05219,
    "h": 243.8
  },
  "luminance": 0.01842
}

Semantic roles & 50–950 ramp

primary

#0A273C

secondary

#794A28

accent

#853AEE

background

#F4F5F6

surface

#E7E9EC

border

#C3C5C7

text

#020507

muted

#78797A

Preview Lab

Preview with #0A273C

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

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