#0F2957#0F2957

#0F2957 is a dark, moderate blue. Relative luminance 0.024; OKLCH L 29.0% C 0.089 H 260.8°. Best body text is #FFFFFF at 14.24:1 contrast (WCAG AA passes).

Color values

HEX	#0F2957
RGB	rgb(15, 41, 87)
HSL	hsl(218, 71%, 20%)
HSV	hsv(218, 83%, 34%)
CMYK	cmyk(82.8%, 52.9%, 0%, 65.9%)
CIE-LAB	lab(17.34, 9.02, -30.68)
CIE-LCH	lch(17.34, 31.98, 286.37°)
OKLab	oklab(29.04% -0.0142 -0.0882)
OKLCH	oklch(29.04% 0.089 260.8)
XYZ	xyz(2.7096, 2.3752, 9.3306)
Luminance	0.0238 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F2957 #573D0F

analogous

#0F4D57 #0F2957 #190F57

triadic

#0F2957 #570F29 #29570F

tetradic

#0F2957 #570F4D #573D0F #0F5719

square

#0F2957 #570F4D #573D0F #0F5719

split-complementary

#0F2957 #57190F #4D570F

monochromatic

#050C1A #061023 #0F2957 #18428B #215ABF

Accessibility & contrast

On white

14.24

#0F2957 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#0F2957 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F2957

14.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F2957	#FFFFFF	#000000	##FFFFFF
##0F2957	1.00	14.24	1.48	14.24
#FFFFFF	14.24	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E2E59

Deuteranopia (green-blind)

#002856

Tritanopia (blue-blind)

#00343B

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #0f2957;
/* rgb */ color: rgb(15, 41, 87);
/* oklch */ color: oklch(29.0% 0.089 260.8);

Tailwind

colors: {
  custom: {
    50: '#5a6287',
    500: '#0f2957',
    950: '#000000',
  },
}

SCSS

$custom: #0f2957;
$custom-light: #5a6287;
$custom-dark: #000000;

JSON

{
  "hex": "#0f2957",
  "rgb": {
    "r": 15,
    "g": 41,
    "b": 87
  },
  "hsl": {
    "h": 218.333,
    "s": 70.588,
    "l": 20
  },
  "oklch": {
    "l": 0.29041,
    "c": 0.08932,
    "h": 260.8
  },
  "luminance": 0.02376
}

Semantic roles & 50–950 ramp

primary

#0F2957

secondary

#916E31

accent

#AD3AED

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#04050B

muted

#79797C

Preview Lab

Preview with #0F2957

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

Preview Lab → · Contrast checker → · Palette generator →