#0A254C#0A254C

#0A254C is a dark, moderate blue. Relative luminance 0.019; OKLCH L 26.9% C 0.079 H 258.2°. Best body text is #FFFFFF at 15.20:1 contrast (WCAG AA passes).

Color values

HEX	#0A254C
RGB	rgb(10, 37, 76)
HSL	hsl(215, 77%, 17%)
HSV	hsv(215, 87%, 30%)
CMYK	cmyk(86.8%, 51.3%, 0%, 70.2%)
CIE-LAB	lab(15.00, 6.46, -27.02)
CIE-LCH	lch(15.00, 27.79, 283.45°)
OKLab	oklab(26.92% -0.0163 -0.0776)
OKLCH	oklch(26.92% 0.079 258.2)
XYZ	xyz(2.0908, 1.9092, 7.0944)
Luminance	0.0191 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A254C #4C310A

analogous

#0A464C #0A254C #100A4C

triadic

#0A254C #4C0A25 #254C0A

tetradic

#0A254C #4C0A46 #4C310A #0A4C10

square

#0A254C #4C0A46 #4C310A #0A4C10

split-complementary

#0A254C #4C100A #464C0A

monochromatic

#040D1B #040D1B #0A254C #113F82 #185AB8

Accessibility & contrast

On white

15.20

#0A254C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#0A254C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A254C

15.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A254C	#FFFFFF	#000000	##FFFFFF
##0A254C	1.00	15.20	1.38	15.20
#FFFFFF	15.20	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#10294D

Deuteranopia (green-blind)

#02234B

Tritanopia (blue-blind)

#002E34

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #0a254c;
/* rgb */ color: rgb(10, 37, 76);
/* oklch */ color: oklch(26.9% 0.079 258.2);

Tailwind

colors: {
  custom: {
    50: '#555f7e',
    500: '#0a254c',
    950: '#000000',
  },
}

SCSS

$custom: #0a254c;
$custom-light: #555f7e;
$custom-dark: #000000;

JSON

{
  "hex": "#0a254c",
  "rgb": {
    "r": 10,
    "g": 37,
    "b": 76
  },
  "hsl": {
    "h": 215.455,
    "s": 76.744,
    "l": 16.863
  },
  "oklch": {
    "l": 0.26921,
    "c": 0.07927,
    "h": 258.2
  },
  "luminance": 0.01909
}

Semantic roles & 50–950 ramp

primary

#0A254C

secondary

#896229

accent

#A535F3

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#03040A

muted

#78797C

Preview Lab

Preview with #0A254C

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

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