#0A234E#0A234E

#0A234E is a dark, moderate blue. Relative luminance 0.018; OKLCH L 26.6% C 0.085 H 260.5°. Best body text is #FFFFFF at 15.40:1 contrast (WCAG AA passes).

Color values

HEX	#0A234E
RGB	rgb(10, 35, 78)
HSL	hsl(218, 77%, 17%)
HSV	hsv(218, 87%, 31%)
CMYK	cmyk(87.2%, 55.1%, 0%, 69.4%)
CIE-LAB	lab(14.49, 8.89, -29.21)
CIE-LCH	lch(14.49, 30.54, 286.92°)
OKLab	oklab(26.58% -0.0141 -0.0841)
OKLCH	oklch(26.58% 0.085 260.5)
XYZ	xyz(2.1009, 1.8164, 7.4461)
Luminance	0.0182 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A234E #4E350A

analogous

#0A454E #0A234E #130A4E

triadic

#0A234E #4E0A23 #234E0A

tetradic

#0A234E #4E0A45 #4E350A #0A4E13

square

#0A234E #4E0A45 #4E350A #0A4E13

split-complementary

#0A234E #4E130A #454E0A

monochromatic

#030C1B #030C1B #0A234E #113B84 #1854BA

Accessibility & contrast

On white

15.40

#0A234E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#0A234E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A234E

15.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A234E	#FFFFFF	#000000	##FFFFFF
##0A234E	1.00	15.40	1.36	15.40
#FFFFFF	15.40	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#082850

Deuteranopia (green-blind)

#00224D

Tritanopia (blue-blind)

#002D34

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #0a234e;
/* rgb */ color: rgb(10, 35, 78);
/* oklch */ color: oklch(26.6% 0.085 260.5);

Tailwind

colors: {
  custom: {
    50: '#565d80',
    500: '#0a234e',
    950: '#000000',
  },
}

SCSS

$custom: #0a234e;
$custom-light: #565d80;
$custom-dark: #000000;

JSON

{
  "hex": "#0a234e",
  "rgb": {
    "r": 10,
    "g": 35,
    "b": 78
  },
  "hsl": {
    "h": 217.941,
    "s": 77.273,
    "l": 17.255
  },
  "oklch": {
    "l": 0.26579,
    "c": 0.08524,
    "h": 260.5
  },
  "luminance": 0.01817
}

Semantic roles & 50–950 ramp

primary

#0A234E

secondary

#8B6729

accent

#AD34F4

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#03040A

muted

#78797C

Preview Lab

Preview with #0A234E

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

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