#0A254E#0A254E

#0A254E is a dark, moderate blue. Relative luminance 0.019; OKLCH L 27.1% C 0.082 H 258.9°. Best body text is #FFFFFF at 15.13:1 contrast (WCAG AA passes).

Color values

HEX	#0A254E
RGB	rgb(10, 37, 78)
HSL	hsl(216, 77%, 17%)
HSV	hsv(216, 87%, 31%)
CMYK	cmyk(87.2%, 52.6%, 0%, 69.4%)
CIE-LAB	lab(15.16, 7.36, -28.14)
CIE-LCH	lch(15.16, 29.09, 284.66°)
OKLab	oklab(27.09% -0.0159 -0.0809)
OKLCH	oklch(27.09% 0.082 258.9)
XYZ	xyz(2.1614, 1.9375, 7.4663)
Luminance	0.0194 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A254E #4E330A

analogous

#0A474E #0A254E #110A4E

triadic

#0A254E #4E0A25 #254E0A

tetradic

#0A254E #4E0A47 #4E330A #0A4E11

square

#0A254E #4E0A47 #4E330A #0A4E11

split-complementary

#0A254E #4E110A #474E0A

monochromatic

#030D1B #030D1B #0A254E #113F84 #1858BA

Accessibility & contrast

On white

15.13

#0A254E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#0A254E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A254E

15.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A254E	#FFFFFF	#000000	##FFFFFF
##0A254E	1.00	15.13	1.39	15.13
#FFFFFF	15.13	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E2950

Deuteranopia (green-blind)

#00234D

Tritanopia (blue-blind)

#002F35

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #0a254e;
/* rgb */ color: rgb(10, 37, 78);
/* oklch */ color: oklch(27.1% 0.082 258.9);

Tailwind

colors: {
  custom: {
    50: '#565e80',
    500: '#0a254e',
    950: '#000000',
  },
}

SCSS

$custom: #0a254e;
$custom-light: #565e80;
$custom-dark: #000000;

JSON

{
  "hex": "#0a254e",
  "rgb": {
    "r": 10,
    "g": 37,
    "b": 78
  },
  "hsl": {
    "h": 216.176,
    "s": 77.273,
    "l": 17.255
  },
  "oklch": {
    "l": 0.27087,
    "c": 0.08242,
    "h": 258.9
  },
  "luminance": 0.01938
}

Semantic roles & 50–950 ramp

primary

#0A254E

secondary

#8B6429

accent

#A834F4

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#03040A

muted

#78797C

Preview Lab

Preview with #0A254E

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

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