#1D2F6F#1D2F6F

#1D2F6F is a dark, moderate blue. Relative luminance 0.034; OKLCH L 33.2% C 0.113 H 267.8°. Best body text is #FFFFFF at 12.44:1 contrast (WCAG AA passes).

Color values

HEX	#1D2F6F
RGB	rgb(29, 47, 111)
HSL	hsl(227, 59%, 27%)
HSV	hsv(227, 74%, 44%)
CMYK	cmyk(73.9%, 57.7%, 0%, 56.5%)
CIE-LAB	lab(21.73, 16.78, -39.30)
CIE-LCH	lch(21.73, 42.74, 293.12°)
OKLab	oklab(33.15% -0.0043 -0.1131)
OKLCH	oklch(33.15% 0.113 267.8)
XYZ	xyz(4.3915, 3.4415, 15.4687)
Luminance	0.0344 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2F6F #6F5D1D

analogous

#1D586F #1D2F6F #341D6F

triadic

#1D2F6F #6F1D2F #2F6F1D

tetradic

#1D2F6F #6F1D58 #6F5D1D #1D6F34

square

#1D2F6F #6F1D58 #6F5D1D #1D6F34

split-complementary

#1D2F6F #6F341D #586F1D

monochromatic

#060A18 #101A3E #1D2F6F #2A44A0 #3B5BCC

Accessibility & contrast

On white

12.44

#1D2F6F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#1D2F6F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2F6F

12.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2F6F	#FFFFFF	#000000	##FFFFFF
##1D2F6F	1.00	12.44	1.69	12.44
#FFFFFF	12.44	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003871

Deuteranopia (green-blind)

#00306E

Tritanopia (blue-blind)

#003F4A

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1d2f6f;
/* rgb */ color: rgb(29, 47, 111);
/* oklch */ color: oklch(33.2% 0.113 267.8);

Tailwind

colors: {
  custom: {
    50: '#656799',
    500: '#1d2f6f',
    950: '#000000',
  },
}

SCSS

$custom: #1d2f6f;
$custom-light: #656799;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2f6f",
  "rgb": {
    "r": 29,
    "g": 47,
    "b": 111
  },
  "hsl": {
    "h": 226.829,
    "s": 58.571,
    "l": 27.451
  },
  "oklch": {
    "l": 0.33152,
    "c": 0.11323,
    "h": 267.8
  },
  "luminance": 0.03442
}

Semantic roles & 50–950 ramp

primary

#1D2F6F

secondary

#A38F44

accent

#C046E2

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #1D2F6F

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

Preview Lab → · Contrast checker → · Palette generator →