#1D2F77#1D2F77

#1D2F77 is a dark, vivid blue. Relative luminance 0.036; OKLCH L 33.9% C 0.125 H 268.2°. Best body text is #FFFFFF at 12.17:1 contrast (WCAG AA passes).

Color values

HEX	#1D2F77
RGB	rgb(29, 47, 119)
HSL	hsl(228, 61%, 29%)
HSV	hsv(228, 76%, 47%)
CMYK	cmyk(75.6%, 60.5%, 0%, 53.3%)
CIE-LAB	lab(22.39, 19.99, -43.35)
CIE-LCH	lch(22.39, 47.74, 294.75°)
OKLab	oklab(33.86% -0.0039 -0.125)
OKLCH	oklch(33.86% 0.125 268.2)
XYZ	xyz(4.8518, 3.6256, 17.8933)
Luminance	0.0363 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2F77 #77651D

analogous

#1D5C77 #1D2F77 #381D77

triadic

#1D2F77 #771D2F #2F771D

tetradic

#1D2F77 #771D5C #77651D #1D7738

square

#1D2F77 #771D5C #77651D #1D7738

split-complementary

#1D2F77 #77381D #5C771D

monochromatic

#060A19 #111C46 #1D2F77 #2942A8 #3E5BD0

Accessibility & contrast

On white

12.17

#1D2F77 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#1D2F77 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2F77

12.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2F77	#FFFFFF	#000000	##FFFFFF
##1D2F77	1.00	12.17	1.73	12.17
#FFFFFF	12.17	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A79

Deuteranopia (green-blind)

#003276

Tritanopia (blue-blind)

#00414E

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #1d2f77;
/* rgb */ color: rgb(29, 47, 119);
/* oklch */ color: oklch(33.9% 0.125 268.2);

Tailwind

colors: {
  custom: {
    50: '#67679f',
    500: '#1d2f77',
    950: '#000000',
  },
}

SCSS

$custom: #1d2f77;
$custom-light: #67679f;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2f77",
  "rgb": {
    "r": 29,
    "g": 47,
    "b": 119
  },
  "hsl": {
    "h": 228,
    "s": 60.811,
    "l": 29.02
  },
  "oklch": {
    "l": 0.33856,
    "c": 0.12511,
    "h": 268.2
  },
  "luminance": 0.03626
}

Semantic roles & 50–950 ramp

primary

#1D2F77

secondary

#AB9745

accent

#C444E4

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#07060E

muted

#7A7A7E

Preview Lab

Preview with #1D2F77

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

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