#0A2943#0A2943

#0A2943 is a dark, moderate cyan. Relative luminance 0.021; OKLCH L 27.3% C 0.060 H 247.7°. Best body text is #FFFFFF at 14.88:1 contrast (WCAG AA passes).

Color values

HEX	#0A2943
RGB	rgb(10, 41, 67)
HSL	hsl(207, 74%, 15%)
HSV	hsv(207, 85%, 26%)
CMYK	cmyk(85.1%, 38.8%, 0%, 73.7%)
CIE-LAB	lab(15.78, -0.53, -19.61)
CIE-LCH	lch(15.78, 19.62, 268.44°)
OKLab	oklab(27.32% -0.0228 -0.0557)
OKLCH	oklch(27.32% 0.06 247.7)
XYZ	xyz(1.9308, 2.0554, 5.6041)
Luminance	0.0206 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A2943 #43240A

analogous

#0A4340 #0A2943 #0A0D43

triadic

#0A2943 #430A29 #29430A

tetradic

#0A2943 #400A43 #43240A #0D430A

square

#0A2943 #400A43 #43240A #0D430A

split-complementary

#0A2943 #430A0D #43400A

monochromatic

#04101B #04101B #0A2943 #124A78 #1A6AAE

Accessibility & contrast

On white

14.88

#0A2943 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#0A2943 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A2943

14.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A2943	#FFFFFF	#000000	##FFFFFF
##0A2943	1.00	14.88	1.41	14.88
#FFFFFF	14.88	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D2A44

Deuteranopia (green-blind)

#152542

Tritanopia (blue-blind)

#002F32

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #0a2943;
/* rgb */ color: rgb(10, 41, 67);
/* oklch */ color: oklch(27.3% 0.060 247.7);

Tailwind

colors: {
  custom: {
    50: '#536277',
    500: '#0a2943',
    950: '#000000',
  },
}

SCSS

$custom: #0a2943;
$custom-light: #536277;
$custom-dark: #000000;

JSON

{
  "hex": "#0a2943",
  "rgb": {
    "r": 10,
    "g": 41,
    "b": 67
  },
  "hsl": {
    "h": 207.368,
    "s": 74.026,
    "l": 15.098
  },
  "oklch": {
    "l": 0.27323,
    "c": 0.06023,
    "h": 247.7
  },
  "luminance": 0.02056
}

Semantic roles & 50–950 ramp

primary

#0A2943

secondary

#805129

accent

#8C37F1

background

#F5F5F7

surface

#E8EAED

border

#C4C6C8

text

#030508

muted

#78797B

Preview Lab

Preview with #0A2943

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

Preview Lab → · Contrast checker → · Palette generator →