#1D306E#1D306E

#1D306E is a dark, moderate blue. Relative luminance 0.035; OKLCH L 33.3% C 0.110 H 267.3°. Best body text is #FFFFFF at 12.35:1 contrast (WCAG AA passes).

Color values

HEX	#1D306E
RGB	rgb(29, 48, 110)
HSL	hsl(226, 58%, 27%)
HSV	hsv(226, 74%, 43%)
CMYK	cmyk(73.6%, 56.4%, 0%, 56.9%)
CIE-LAB	lab(21.95, 15.66, -38.31)
CIE-LCH	lch(21.95, 41.39, 292.23°)
OKLab	oklab(33.29% -0.0052 -0.1102)
OKLCH	oklch(33.29% 0.11 267.3)
XYZ	xyz(4.3771, 3.5005, 15.1938)
Luminance	0.0350 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D306E #6E5B1D

analogous

#1D596E #1D306E #331D6E

triadic

#1D306E #6E1D30 #306E1D

tetradic

#1D306E #6E1D59 #6E5B1D #1D6E33

square

#1D306E #6E1D59 #6E5B1D #1D6E33

split-complementary

#1D306E #6E331D #596E1D

monochromatic

#060B18 #101B3E #1D306E #2A459E #3A5CCB

Accessibility & contrast

On white

12.35

#1D306E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#1D306E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D306E

12.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D306E	#FFFFFF	#000000	##FFFFFF
##1D306E	1.00	12.35	1.70	12.35
#FFFFFF	12.35	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#033870

Deuteranopia (green-blind)

#00316D

Tritanopia (blue-blind)

#003F4A

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #1d306e;
/* rgb */ color: rgb(29, 48, 110);
/* oklch */ color: oklch(33.3% 0.110 267.3);

Tailwind

colors: {
  custom: {
    50: '#656798',
    500: '#1d306e',
    950: '#000000',
  },
}

SCSS

$custom: #1d306e;
$custom-light: #656798;
$custom-dark: #000000;

JSON

{
  "hex": "#1d306e",
  "rgb": {
    "r": 29,
    "g": 48,
    "b": 110
  },
  "hsl": {
    "h": 225.926,
    "s": 58.273,
    "l": 27.255
  },
  "oklch": {
    "l": 0.33288,
    "c": 0.11033,
    "h": 267.3
  },
  "luminance": 0.03501
}

Semantic roles & 50–950 ramp

primary

#1D306E

secondary

#A28C44

accent

#BD46E1

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #1D306E

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

Preview Lab → · Contrast checker → · Palette generator →