#0F2B58#0F2B58

#0F2B58 is a dark, moderate blue. Relative luminance 0.025; OKLCH L 29.6% C 0.088 H 259.6°. Best body text is #FFFFFF at 13.94:1 contrast (WCAG AA passes).

Color values

HEX	#0F2B58
RGB	rgb(15, 43, 88)
HSL	hsl(217, 71%, 20%)
HSV	hsv(217, 83%, 35%)
CMYK	cmyk(83%, 51.1%, 0%, 65.5%)
CIE-LAB	lab(18.07, 7.97, -30.18)
CIE-LCH	lch(18.07, 31.22, 284.79°)
OKLab	oklab(29.62% -0.0159 -0.0867)
OKLCH	oklch(29.62% 0.088 259.6)
XYZ	xyz(2.8217, 2.5336, 9.5709)
Luminance	0.0253 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F2B58 #583C0F

analogous

#0F5058 #0F2B58 #170F58

triadic

#0F2B58 #580F2B #2B580F

tetradic

#0F2B58 #580F50 #583C0F #0F5817

square

#0F2B58 #580F50 #583C0F #0F5817

split-complementary

#0F2B58 #58170F #50580F

monochromatic

#040D1A #061124 #0F2B58 #18458C #215EC1

Accessibility & contrast

On white

13.94

#0F2B58 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#0F2B58 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F2B58

13.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F2B58	#FFFFFF	#000000	##FFFFFF
##0F2B58	1.00	13.94	1.51	13.94
#FFFFFF	13.94	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#12305A

Deuteranopia (green-blind)

#012957

Tritanopia (blue-blind)

#00363D

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #0f2b58;
/* rgb */ color: rgb(15, 43, 88);
/* oklch */ color: oklch(29.6% 0.088 259.6);

Tailwind

colors: {
  custom: {
    50: '#5a6387',
    500: '#0f2b58',
    950: '#000000',
  },
}

SCSS

$custom: #0f2b58;
$custom-light: #5a6387;
$custom-dark: #000000;

JSON

{
  "hex": "#0f2b58",
  "rgb": {
    "r": 15,
    "g": 43,
    "b": 88
  },
  "hsl": {
    "h": 216.986,
    "s": 70.874,
    "l": 20.196
  },
  "oklch": {
    "l": 0.29621,
    "c": 0.08812,
    "h": 259.6
  },
  "luminance": 0.02534
}

Semantic roles & 50–950 ramp

primary

#0F2B58

secondary

#926D31

accent

#A93AEE

background

#F5F5F8

surface

#E9EAEF

border

#C5C6CA

text

#04050B

muted

#79797C

Preview Lab

Preview with #0F2B58

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

Preview Lab → · Contrast checker → · Palette generator →