#1A366B#1A366B

#1A366B is a dark, moderate blue. Relative luminance 0.039; OKLCH L 34.3% C 0.099 H 261.7°. Best body text is #FFFFFF at 11.77:1 contrast (WCAG AA passes).

Color values

HEX	#1A366B
RGB	rgb(26, 54, 107)
HSL	hsl(219, 61%, 26%)
HSV	hsv(219, 76%, 42%)
CMYK	cmyk(75.7%, 49.5%, 0%, 58%)
CIE-LAB	lab(23.40, 9.67, -34.04)
CIE-LCH	lch(23.40, 35.39, 285.86°)
OKLab	oklab(34.29% -0.0142 -0.0976)
OKLCH	oklch(34.29% 0.099 261.7)
XYZ	xyz(4.3981, 3.9190, 14.4317)
Luminance	0.0392 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A366B #6B4F1A

analogous

#1A5E6B #1A366B #261A6B

triadic

#1A366B #6B1A36 #366B1A

tetradic

#1A366B #6B1A5E #6B4F1A #1A6B26

square

#1A366B #6B1A5E #6B4F1A #1A6B26

split-complementary

#1A366B #6B261A #5E6B1A

monochromatic

#060C19 #0E1D3A #1A366B #264F9C #3268CD

Accessibility & contrast

On white

11.77

#1A366B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#1A366B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A366B

11.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A366B	#FFFFFF	#000000	##FFFFFF
##1A366B	1.00	11.77	1.78	11.77
#FFFFFF	11.77	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A3C6D

Deuteranopia (green-blind)

#07346A

Tritanopia (blue-blind)

#00424B

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #1a366b;
/* rgb */ color: rgb(26, 54, 107);
/* oklch */ color: oklch(34.3% 0.099 261.7);

Tailwind

colors: {
  custom: {
    50: '#626c96',
    500: '#1a366b',
    950: '#000000',
  },
}

SCSS

$custom: #1a366b;
$custom-light: #626c96;
$custom-dark: #000000;

JSON

{
  "hex": "#1a366b",
  "rgb": {
    "r": 26,
    "g": 54,
    "b": 107
  },
  "hsl": {
    "h": 219.259,
    "s": 60.902,
    "l": 26.078
  },
  "oklch": {
    "l": 0.34286,
    "c": 0.09861,
    "h": 261.7
  },
  "luminance": 0.03919
}

Semantic roles & 50–950 ramp

primary

#1A366B

secondary

#A07F40

accent

#AD44E4

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060D

muted

#7A7A7E

Preview Lab

Preview with #1A366B

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

Preview Lab → · Contrast checker → · Palette generator →