#03074E#03074E

#03074E is a very dark, vivid blue. Relative luminance 0.007; OKLCH L 20.5% C 0.123 H 266.4°. Best body text is #FFFFFF at 18.35:1 contrast (WCAG AA passes).

Color values

HEX	#03074E
RGB	rgb(3, 7, 78)
HSL	hsl(237, 93%, 16%)
HSV	hsv(237, 96%, 31%)
CMYK	cmyk(96.2%, 91%, 0%, 69.4%)
CIE-LAB	lab(6.51, 28.04, -42.31)
CIE-LCH	lch(6.51, 50.76, 303.54°)
OKLab	oklab(20.55% -0.0078 -0.1231)
OKLCH	oklch(20.55% 0.123 266.4)
XYZ	xyz(1.4882, 0.7212, 7.2670)
Luminance	0.0072 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 5.61

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#03074E #4E4A03

analogous

#032C4E #03074E #24034E

triadic

#03074E #4E0307 #074E03

tetradic

#03074E #4E032C #4E4A03 #034E24

square

#03074E #4E032C #4E4A03 #034E24

split-complementary

#03074E #4E2403 #2C4E03

monochromatic

#01031D #01031D #03074E #050C89 #0812C4

Accessibility & contrast

On white

18.35

#03074E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#03074E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #03074E

18.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##03074E	#FFFFFF	#000000	##FFFFFF
##03074E	1.00	18.35	1.14	18.35
#FFFFFF	18.35	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001850

Deuteranopia (green-blind)

#00104D

Tritanopia (blue-blind)

#001E2B

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #03074e;
/* rgb */ color: rgb(3, 7, 78);
/* oklch */ color: oklch(20.5% 0.123 266.4);

Tailwind

colors: {
  custom: {
    50: '#574881',
    500: '#03074e',
    950: '#000000',
  },
}

SCSS

$custom: #03074e;
$custom-light: #574881;
$custom-dark: #000000;

JSON

{
  "hex": "#03074e",
  "rgb": {
    "r": 3,
    "g": 7,
    "b": 78
  },
  "hsl": {
    "h": 236.8,
    "s": 92.593,
    "l": 15.882
  },
  "oklch": {
    "l": 0.20547,
    "c": 0.12332,
    "h": 266.4
  },
  "luminance": 0.00721
}

Semantic roles & 50–950 ramp

primary

#03074E

secondary

#8E881E

accent

#F429FF

background

#F5F4F7

surface

#E9E6EE

border

#C5C2C9

text

#04000A

muted

#79777C

Preview Lab

Preview with #03074E

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

Preview Lab → · Contrast checker → · Palette generator →