#1D2F75#1D2F75

#1D2F75 is a dark, vivid blue. Relative luminance 0.036; OKLCH L 33.7% C 0.122 H 268.2°. Best body text is #FFFFFF at 12.24:1 contrast (WCAG AA passes).

Color values

HEX	#1D2F75
RGB	rgb(29, 47, 117)
HSL	hsl(228, 60%, 29%)
HSV	hsv(228, 75%, 46%)
CMYK	cmyk(75.2%, 59.8%, 0%, 54.1%)
CIE-LAB	lab(22.22, 19.19, -42.35)
CIE-LCH	lch(22.22, 46.50, 294.38°)
OKLab	oklab(33.68% -0.0039 -0.1221)
OKLCH	oklch(33.68% 0.122 268.2)
XYZ	xyz(4.7330, 3.5781, 17.2674)
Luminance	0.0358 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2F75 #75631D

analogous

#1D5B75 #1D2F75 #371D75

triadic

#1D2F75 #751D2F #2F751D

tetradic

#1D2F75 #751D5B #75631D #1D7537

square

#1D2F75 #751D5B #75631D #1D7537

split-complementary

#1D2F75 #75371D #5B751D

monochromatic

#060A19 #111B44 #1D2F75 #2943A6 #3D5BCF

Accessibility & contrast

On white

12.24

#1D2F75 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#1D2F75 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2F75

12.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2F75	#FFFFFF	#000000	##FFFFFF
##1D2F75	1.00	12.24	1.72	12.24
#FFFFFF	12.24	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003977

Deuteranopia (green-blind)

#003174

Tritanopia (blue-blind)

#00404D

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #1d2f75;
/* rgb */ color: rgb(29, 47, 117);
/* oklch */ color: oklch(33.7% 0.122 268.2);

Tailwind

colors: {
  custom: {
    50: '#66679d',
    500: '#1d2f75',
    950: '#000000',
  },
}

SCSS

$custom: #1d2f75;
$custom-light: #66679d;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2f75",
  "rgb": {
    "r": 29,
    "g": 47,
    "b": 117
  },
  "hsl": {
    "h": 227.727,
    "s": 60.274,
    "l": 28.627
  },
  "oklch": {
    "l": 0.33677,
    "c": 0.12217,
    "h": 268.2
  },
  "luminance": 0.03579
}

Semantic roles & 50–950 ramp

primary

#1D2F75

secondary

#A99545

accent

#C344E3

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#07060E

muted

#7A7A7E

Preview Lab

Preview with #1D2F75

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

Preview Lab → · Contrast checker → · Palette generator →