#1D266F#1D266F

#1D266F is a dark, vivid blue. Relative luminance 0.028; OKLCH L 31.3% C 0.125 H 271.6°. Best body text is #FFFFFF at 13.47:1 contrast (WCAG AA passes).

Color values

HEX	#1D266F
RGB	rgb(29, 38, 111)
HSL	hsl(233, 59%, 27%)
HSV	hsv(233, 74%, 44%)
CMYK	cmyk(73.9%, 65.8%, 0%, 56.5%)
CIE-LAB	lab(19.20, 23.17, -43.42)
CIE-LCH	lch(19.20, 49.22, 298.08°)
OKLab	oklab(31.27% 0.0034 -0.1254)
OKLCH	oklch(31.27% 0.125 271.6)
XYZ	xyz(4.0681, 2.7947, 15.3609)
Luminance	0.0279 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D266F #6F661D

analogous

#1D4F6F #1D266F #3D1D6F

triadic

#1D266F #6F1D26 #266F1D

tetradic

#1D266F #6F1D4F #6F661D #1D6F3D

square

#1D266F #6F1D4F #6F661D #1D6F3D

split-complementary

#1D266F #6F3D1D #4F6F1D

monochromatic

#060818 #10153E #1D266F #2A37A0 #3B4BCC

Accessibility & contrast

On white

13.47

#1D266F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#1D266F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D266F

13.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D266F	#FFFFFF	#000000	##FFFFFF
##1D266F	1.00	13.47	1.56	13.47
#FFFFFF	13.47	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003271

Deuteranopia (green-blind)

#002B6E

Tritanopia (blue-blind)

#003946

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #1d266f;
/* rgb */ color: rgb(29, 38, 111);
/* oklch */ color: oklch(31.3% 0.125 271.6);

Tailwind

colors: {
  custom: {
    50: '#666099',
    500: '#1d266f',
    950: '#000000',
  },
}

SCSS

$custom: #1d266f;
$custom-light: #666099;
$custom-dark: #000000;

JSON

{
  "hex": "#1d266f",
  "rgb": {
    "r": 29,
    "g": 38,
    "b": 111
  },
  "hsl": {
    "h": 233.415,
    "s": 58.571,
    "l": 27.451
  },
  "oklch": {
    "l": 0.31269,
    "c": 0.12541,
    "h": 271.6
  },
  "luminance": 0.02795
}

Semantic roles & 50–950 ramp

primary

#1D266F

secondary

#A39944

accent

#D146E2

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040E

muted

#7A797E

Preview Lab

Preview with #1D266F

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

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