#1D279E#1D279E

#1D279E is a dark, vivid blue. Relative luminance 0.042; OKLCH L 36.4% C 0.187 H 269.3°. Best body text is #FFFFFF at 11.44:1 contrast (WCAG AA passes).

Color values

HEX	#1D279E
RGB	rgb(29, 39, 158)
HSL	hsl(235, 69%, 37%)
HSV	hsv(235, 82%, 62%)
CMYK	cmyk(81.6%, 75.3%, 0%, 38%)
CIE-LAB	lab(24.26, 39.99, -64.60)
CIE-LCH	lch(24.26, 75.98, 301.76°)
OKLab	oklab(36.38% -0.0022 -0.1872)
OKLCH	oklch(36.38% 0.187 269.3)
XYZ	xyz(7.4017, 4.1800, 32.7578)
Luminance	0.0418 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D279E #9E941D

analogous

#1D689E #1D279E #541D9E

triadic

#1D279E #9E1D27 #279E1D

tetradic

#1D279E #9E1D68 #9E941D #1D9E54

square

#1D279E #9E1D68 #9E941D #1D9E54

split-complementary

#1D279E #9E541D #689E1D

monochromatic

#0A0D37 #141A6A #1D279E #2634D2 #5660E0

Accessibility & contrast

On white

11.44

#1D279E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#1D279E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D279E

11.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D279E	#FFFFFF	#000000	##FFFFFF
##1D279E	1.00	11.44	1.84	11.44
#FFFFFF	11.44	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0040A1

Deuteranopia (green-blind)

#00339C

Tritanopia (blue-blind)

#004A60

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #1d279e;
/* rgb */ color: rgb(29, 39, 158);
/* oklch */ color: oklch(36.4% 0.187 269.3);

Tailwind

colors: {
  custom: {
    50: '#7262bc',
    500: '#1d279e',
    950: '#000000',
  },
}

SCSS

$custom: #1d279e;
$custom-light: #7262bc;
$custom-dark: #000000;

JSON

{
  "hex": "#1d279e",
  "rgb": {
    "r": 29,
    "g": 39,
    "b": 158
  },
  "hsl": {
    "h": 235.349,
    "s": 68.984,
    "l": 36.667
  },
  "oklch": {
    "l": 0.36376,
    "c": 0.18718,
    "h": 269.3
  },
  "luminance": 0.04181
}

Semantic roles & 50–950 ramp

primary

#1D279E

secondary

#C3BB54

accent

#DE3CEC

background

#F7F5FB

surface

#EEEAF7

border

#C9C6D0

text

#090512

muted

#7B7981

Preview Lab

Preview with #1D279E

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

Preview Lab → · Contrast checker → · Palette generator →