#0A3A67#0A3A67

#0A3A67 is a dark, moderate cyan. Relative luminance 0.041; OKLCH L 34.4% C 0.093 H 251.7°. Best body text is #FFFFFF at 11.58:1 contrast (WCAG AA passes).

Color values

HEX	#0A3A67
RGB	rgb(10, 58, 103)
HSL	hsl(209, 82%, 22%)
HSV	hsv(209, 90%, 40%)
CMYK	cmyk(90.3%, 43.7%, 0%, 59.6%)
CIE-LAB	lab(23.90, 3.17, -30.69)
CIE-LCH	lch(23.90, 30.85, 275.89°)
OKLab	oklab(34.44% -0.0291 -0.0879)
OKLCH	oklch(34.44% 0.093 251.7)
XYZ	xyz(4.0855, 4.0694, 13.3995)
Luminance	0.0407 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A3A67 #67370A

analogous

#0A6766 #0A3A67 #0A0C67

triadic

#0A3A67 #670A3A #3A670A

tetradic

#0A3A67 #660A67 #67370A #0C670A

square

#0A3A67 #660A67 #67370A #0C670A

split-complementary

#0A3A67 #670A0C #67660A

monochromatic

#03101C #051B2F #0A3A67 #0F599F #1579D7

Accessibility & contrast

On white

11.58

#0A3A67 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#0A3A67 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A3A67

11.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A3A67	#FFFFFF	#000000	##FFFFFF
##0A3A67	1.00	11.58	1.81	11.58
#FFFFFF	11.58	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#233D69

Deuteranopia (green-blind)

#133566

Tritanopia (blue-blind)

#00454B

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #0a3a67;
/* rgb */ color: rgb(10, 58, 103);
/* oklch */ color: oklch(34.4% 0.093 251.7);

Tailwind

colors: {
  custom: {
    50: '#5d6f93',
    500: '#0a3a67',
    950: '#000000',
  },
}

SCSS

$custom: #0a3a67;
$custom-light: #5d6f93;
$custom-dark: #000000;

JSON

{
  "hex": "#0a3a67",
  "rgb": {
    "r": 10,
    "g": 58,
    "b": 103
  },
  "hsl": {
    "h": 209.032,
    "s": 82.301,
    "l": 22.157
  },
  "oklch": {
    "l": 0.34438,
    "c": 0.09257,
    "h": 251.7
  },
  "luminance": 0.0407
}

Semantic roles & 50–950 ramp

primary

#0A3A67

secondary

#A1642B

accent

#912FF9

background

#F5F6F9

surface

#E9ECF1

border

#C5C7CB

text

#05070D

muted

#797A7E

Preview Lab

Preview with #0A3A67

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

Preview Lab → · Contrast checker → · Palette generator →