#1D2F70#1D2F70

#1D2F70 is a dark, moderate blue. Relative luminance 0.035; OKLCH L 33.2% C 0.115 H 267.9°. Best body text is #FFFFFF at 12.41:1 contrast (WCAG AA passes).

Color values

HEX	#1D2F70
RGB	rgb(29, 47, 112)
HSL	hsl(227, 59%, 28%)
HSV	hsv(227, 74%, 44%)
CMYK	cmyk(74.1%, 58%, 0%, 56.1%)
CIE-LAB	lab(21.81, 17.18, -39.82)
CIE-LCH	lch(21.81, 43.37, 293.34°)
OKLab	oklab(33.24% -0.0042 -0.1146)
OKLCH	oklch(33.24% 0.115 267.9)
XYZ	xyz(4.4468, 3.4636, 15.7603)
Luminance	0.0346 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2F70 #705E1D

analogous

#1D5870 #1D2F70 #351D70

triadic

#1D2F70 #701D2F #2F701D

tetradic

#1D2F70 #701D58 #705E1D #1D7035

square

#1D2F70 #701D58 #705E1D #1D7035

split-complementary

#1D2F70 #70351D #58701D

monochromatic

#060A18 #101B3F #1D2F70 #2A43A1 #3B5BCC

Accessibility & contrast

On white

12.41

#1D2F70 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#1D2F70 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2F70

12.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2F70	#FFFFFF	#000000	##FFFFFF
##1D2F70	1.00	12.41	1.69	12.41
#FFFFFF	12.41	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003872

Deuteranopia (green-blind)

#00316F

Tritanopia (blue-blind)

#003F4A

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1d2f70;
/* rgb */ color: rgb(29, 47, 112);
/* oklch */ color: oklch(33.2% 0.115 267.9);

Tailwind

colors: {
  custom: {
    50: '#65679a',
    500: '#1d2f70',
    950: '#000000',
  },
}

SCSS

$custom: #1d2f70;
$custom-light: #65679a;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2f70",
  "rgb": {
    "r": 29,
    "g": 47,
    "b": 112
  },
  "hsl": {
    "h": 226.988,
    "s": 58.865,
    "l": 27.647
  },
  "oklch": {
    "l": 0.33238,
    "c": 0.11473,
    "h": 267.9
  },
  "luminance": 0.03464
}

Semantic roles & 50–950 ramp

primary

#1D2F70

secondary

#A49044

accent

#C046E2

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #1D2F70

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

Preview Lab → · Contrast checker → · Palette generator →