#0D2B58#0D2B58

#0D2B58 is a dark, moderate blue. Relative luminance 0.025; OKLCH L 29.5% C 0.089 H 258.7°. Best body text is #FFFFFF at 13.97:1 contrast (WCAG AA passes).

Color values

HEX	#0D2B58
RGB	rgb(13, 43, 88)
HSL	hsl(216, 74%, 20%)
HSV	hsv(216, 85%, 35%)
CMYK	cmyk(85.2%, 51.1%, 0%, 65.5%)
CIE-LAB	lab(18.00, 7.71, -30.30)
CIE-LCH	lch(18.00, 31.27, 284.27°)
OKLab	oklab(29.55% -0.0174 -0.087)
OKLCH	oklch(29.55% 0.089 258.7)
XYZ	xyz(2.7907, 2.5176, 9.5695)
Luminance	0.0252 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0D2B58 #583A0D

analogous

#0D5158 #0D2B58 #150D58

triadic

#0D2B58 #580D2B #2B580D

tetradic

#0D2B58 #580D51 #583A0D #0D5815

square

#0D2B58 #580D51 #583A0D #0D5815

split-complementary

#0D2B58 #58150D #51580D

monochromatic

#040D1B #051123 #0D2B58 #15458D #1D5FC3

Accessibility & contrast

On white

13.97

#0D2B58 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#0D2B58 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0D2B58

13.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0D2B58	#FFFFFF	#000000	##FFFFFF
##0D2B58	1.00	13.97	1.50	13.97
#FFFFFF	13.97	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	13.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#12305A

Deuteranopia (green-blind)

#002957

Tritanopia (blue-blind)

#00363D

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #0d2b58;
/* rgb */ color: rgb(13, 43, 88);
/* oklch */ color: oklch(29.5% 0.089 258.7);

Tailwind

colors: {
  custom: {
    50: '#596387',
    500: '#0d2b58',
    950: '#000000',
  },
}

SCSS

$custom: #0d2b58;
$custom-light: #596387;
$custom-dark: #000000;

JSON

{
  "hex": "#0d2b58",
  "rgb": {
    "r": 13,
    "g": 43,
    "b": 88
  },
  "hsl": {
    "h": 216,
    "s": 74.257,
    "l": 19.804
  },
  "oklch": {
    "l": 0.29546,
    "c": 0.08877,
    "h": 258.7
  },
  "luminance": 0.02518
}

Semantic roles & 50–950 ramp

primary

#0D2B58

secondary

#936A2E

accent

#A637F1

background

#F5F5F8

surface

#E9EAEF

border

#C5C6CA

text

#04050B

muted

#79797C

Preview Lab

Preview with #0D2B58

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

Preview Lab → · Contrast checker → · Palette generator →