#0D2A58#0D2A58

#0D2A58 is a dark, moderate blue. Relative luminance 0.024; OKLCH L 29.3% C 0.090 H 259.5°. Best body text is #FFFFFF at 14.10:1 contrast (WCAG AA passes).

Color values

HEX	#0D2A58
RGB	rgb(13, 42, 88)
HSL	hsl(217, 74%, 20%)
HSV	hsv(217, 85%, 35%)
CMYK	cmyk(85.2%, 52.3%, 0%, 65.5%)
CIE-LAB	lab(17.67, 8.45, -30.83)
CIE-LCH	lch(17.67, 31.97, 285.33°)
OKLab	oklab(29.3% -0.0165 -0.0886)
OKLCH	oklch(29.3% 0.09 259.5)
XYZ	xyz(2.7548, 2.4457, 9.5575)
Luminance	0.0245 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0D2A58 #583B0D

analogous

#0D5058 #0D2A58 #160D58

triadic

#0D2A58 #580D2A #2A580D

tetradic

#0D2A58 #580D50 #583B0D #0D5816

square

#0D2A58 #580D50 #583B0D #0D5816

split-complementary

#0D2A58 #58160D #50580D

monochromatic

#040D1B #051123 #0D2A58 #15438D #1D5DC3

Accessibility & contrast

On white

14.10

#0D2A58 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#0D2A58 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0D2A58

14.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0D2A58	#FFFFFF	#000000	##FFFFFF
##0D2A58	1.00	14.10	1.49	14.10
#FFFFFF	14.10	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#102F5A

Deuteranopia (green-blind)

#002857

Tritanopia (blue-blind)

#00353C

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #0d2a58;
/* rgb */ color: rgb(13, 42, 88);
/* oklch */ color: oklch(29.3% 0.090 259.5);

Tailwind

colors: {
  custom: {
    50: '#596387',
    500: '#0d2a58',
    950: '#000000',
  },
}

SCSS

$custom: #0d2a58;
$custom-light: #596387;
$custom-dark: #000000;

JSON

{
  "hex": "#0d2a58",
  "rgb": {
    "r": 13,
    "g": 42,
    "b": 88
  },
  "hsl": {
    "h": 216.8,
    "s": 74.257,
    "l": 19.804
  },
  "oklch": {
    "l": 0.29295,
    "c": 0.09014,
    "h": 259.5
  },
  "luminance": 0.02446
}

Semantic roles & 50–950 ramp

primary

#0D2A58

secondary

#936C2E

accent

#A937F1

background

#F5F5F8

surface

#E9EAEF

border

#C5C6CA

text

#04050B

muted

#79797C

Preview Lab

Preview with #0D2A58

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

Preview Lab → · Contrast checker → · Palette generator →