#1D266E#1D266E

#1D266E is a dark, vivid blue. Relative luminance 0.028; OKLCH L 31.2% C 0.124 H 271.6°. Best body text is #FFFFFF at 13.51:1 contrast (WCAG AA passes).

Color values

HEX	#1D266E
RGB	rgb(29, 38, 110)
HSL	hsl(233, 58%, 27%)
HSV	hsv(233, 74%, 43%)
CMYK	cmyk(73.6%, 65.5%, 0%, 56.9%)
CIE-LAB	lab(19.11, 22.77, -42.93)
CIE-LCH	lch(19.11, 48.59, 297.95°)
OKLab	oklab(31.17% 0.0035 -0.1239)
OKLCH	oklch(31.17% 0.124 271.6)
XYZ	xyz(4.0133, 2.7728, 15.0725)
Luminance	0.0277 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D266E #6E651D

analogous

#1D4F6E #1D266E #3C1D6E

triadic

#1D266E #6E1D26 #266E1D

tetradic

#1D266E #6E1D4F #6E651D #1D6E3C

square

#1D266E #6E1D4F #6E651D #1D6E3C

split-complementary

#1D266E #6E3C1D #4F6E1D

monochromatic

#060818 #10153E #1D266E #2A379E #3A4ACB

Accessibility & contrast

On white

13.51

#1D266E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#1D266E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D266E

13.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D266E	#FFFFFF	#000000	##FFFFFF
##1D266E	1.00	13.51	1.55	13.51
#FFFFFF	13.51	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003270

Deuteranopia (green-blind)

#002B6D

Tritanopia (blue-blind)

#003846

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #1d266e;
/* rgb */ color: rgb(29, 38, 110);
/* oklch */ color: oklch(31.2% 0.124 271.6);

Tailwind

colors: {
  custom: {
    50: '#656098',
    500: '#1d266e',
    950: '#000000',
  },
}

SCSS

$custom: #1d266e;
$custom-light: #656098;
$custom-dark: #000000;

JSON

{
  "hex": "#1d266e",
  "rgb": {
    "r": 29,
    "g": 38,
    "b": 110
  },
  "hsl": {
    "h": 233.333,
    "s": 58.273,
    "l": 27.255
  },
  "oklch": {
    "l": 0.31172,
    "c": 0.12396,
    "h": 271.6
  },
  "luminance": 0.02773
}

Semantic roles & 50–950 ramp

primary

#1D266E

secondary

#A29844

accent

#D046E1

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040E

muted

#7A797E

Preview Lab

Preview with #1D266E

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

Preview Lab → · Contrast checker → · Palette generator →