#1D306F#1D306F

#1D306F is a dark, moderate blue. Relative luminance 0.035; OKLCH L 33.4% C 0.112 H 267.4°. Best body text is #FFFFFF at 12.32:1 contrast (WCAG AA passes).

Color values

HEX	#1D306F
RGB	rgb(29, 48, 111)
HSL	hsl(226, 59%, 27%)
HSV	hsv(226, 74%, 44%)
CMYK	cmyk(73.9%, 56.8%, 0%, 56.5%)
CIE-LAB	lab(22.03, 16.06, -38.83)
CIE-LCH	lch(22.03, 42.02, 292.47°)
OKLab	oklab(33.37% -0.0052 -0.1117)
OKLCH	oklch(33.37% 0.112 267.4)
XYZ	xyz(4.4319, 3.5224, 15.4822)
Luminance	0.0352 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D306F #6F5C1D

analogous

#1D596F #1D306F #331D6F

triadic

#1D306F #6F1D30 #306F1D

tetradic

#1D306F #6F1D59 #6F5C1D #1D6F33

square

#1D306F #6F1D59 #6F5C1D #1D6F33

split-complementary

#1D306F #6F331D #596F1D

monochromatic

#060A18 #101B3E #1D306F #2A45A0 #3B5CCC

Accessibility & contrast

On white

12.32

#1D306F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#1D306F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D306F

12.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D306F	#FFFFFF	#000000	##FFFFFF
##1D306F	1.00	12.32	1.70	12.32
#FFFFFF	12.32	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#013971

Deuteranopia (green-blind)

#00316E

Tritanopia (blue-blind)

#003F4A

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #1d306f;
/* rgb */ color: rgb(29, 48, 111);
/* oklch */ color: oklch(33.4% 0.112 267.4);

Tailwind

colors: {
  custom: {
    50: '#656799',
    500: '#1d306f',
    950: '#000000',
  },
}

SCSS

$custom: #1d306f;
$custom-light: #656799;
$custom-dark: #000000;

JSON

{
  "hex": "#1d306f",
  "rgb": {
    "r": 29,
    "g": 48,
    "b": 111
  },
  "hsl": {
    "h": 226.098,
    "s": 58.571,
    "l": 27.451
  },
  "oklch": {
    "l": 0.33373,
    "c": 0.11185,
    "h": 267.4
  },
  "luminance": 0.03523
}

Semantic roles & 50–950 ramp

primary

#1D306F

secondary

#A38D44

accent

#BE46E2

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #1D306F

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

Preview Lab → · Contrast checker → · Palette generator →