#07173B#07173B

#07173B is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 21.7% C 0.073 H 263.3°. Best body text is #FFFFFF at 17.58:1 contrast (WCAG AA passes).

Color values

HEX	#07173B
RGB	rgb(7, 23, 59)
HSL	hsl(222, 79%, 13%)
HSV	hsv(222, 88%, 23%)
CMYK	cmyk(88.1%, 61%, 0%, 76.9%)
CIE-LAB	lab(8.77, 9.12, -25.20)
CIE-LCH	lch(8.77, 26.80, 289.88°)
OKLab	oklab(21.67% -0.0086 -0.0726)
OKLCH	oklch(21.67% 0.073 263.3)
XYZ	xyz(1.1832, 0.9736, 4.2624)
Luminance	0.0097 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#07173B #3B2B07

analogous

#07313B #07173B #11073B

triadic

#07173B #3B0717 #173B07

tetradic

#07173B #3B0731 #3B2B07 #073B11

square

#07173B #3B0731 #3B2B07 #073B11

split-complementary

#07173B #3B1107 #313B07

monochromatic

#030B1B #030B1B #07173B #0D2C72 #1442A8

Accessibility & contrast

On white

17.58

#07173B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#07173B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #07173B

17.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##07173B	#FFFFFF	#000000	##FFFFFF
##07173B	1.00	17.58	1.19	17.58
#FFFFFF	17.58	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#011C3C

Deuteranopia (green-blind)

#00173A

Tritanopia (blue-blind)

#002026

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #07173b;
/* rgb */ color: rgb(7, 23, 59);
/* oklch */ color: oklch(21.7% 0.073 263.3);

Tailwind

colors: {
  custom: {
    50: '#505371',
    500: '#07173b',
    950: '#000000',
  },
}

SCSS

$custom: #07173b;
$custom-light: #505371;
$custom-dark: #000000;

JSON

{
  "hex": "#07173b",
  "rgb": {
    "r": 7,
    "g": 23,
    "b": 59
  },
  "hsl": {
    "h": 221.538,
    "s": 78.788,
    "l": 12.941
  },
  "oklch": {
    "l": 0.21672,
    "c": 0.07311,
    "h": 263.3
  },
  "luminance": 0.00974
}

Semantic roles & 50–950 ramp

primary

#07173B

secondary

#7A6023

accent

#B933F5

background

#F4F4F6

surface

#E7E7EC

border

#C3C3C7

text

#020208

muted

#78787B

Preview Lab

Preview with #07173B

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

Preview Lab → · Contrast checker → · Palette generator →