#1A387E#1A387E

#1A387E is a dark, vivid blue. Relative luminance 0.046; OKLCH L 36.3% C 0.124 H 263.8°. Best body text is #FFFFFF at 10.99:1 contrast (WCAG AA passes).

Color values

HEX	#1A387E
RGB	rgb(26, 56, 126)
HSL	hsl(222, 66%, 30%)
HSV	hsv(222, 79%, 49%)
CMYK	cmyk(79.4%, 55.6%, 0%, 50.6%)
CIE-LAB	lab(25.42, 16.07, -42.87)
CIE-LCH	lch(25.42, 45.78, 290.54°)
OKLab	oklab(36.28% -0.0134 -0.1235)
OKLCH	oklch(36.28% 0.124 263.8)
XYZ	xyz(5.6047, 4.5537, 20.3182)
Luminance	0.0455 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A387E #7E601A

analogous

#1A6A7E #1A387E #2E1A7E

triadic

#1A387E #7E1A38 #387E1A

tetradic

#1A387E #7E1A6A #7E601A #1A7E2E

square

#1A387E #7E1A6A #7E601A #1A7E2E

split-complementary

#1A387E #7E2E1A #6A7E1A

monochromatic

#050B19 #10214B #1A387E #244FB1 #3C6AD7

Accessibility & contrast

On white

10.99

#1A387E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#1A387E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A387E

10.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A387E	#FFFFFF	#000000	##FFFFFF
##1A387E	1.00	10.99	1.91	10.99
#FFFFFF	10.99	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	10.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#024180

Deuteranopia (green-blind)

#00387D

Tritanopia (blue-blind)

#004955

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #1a387e;
/* rgb */ color: rgb(26, 56, 126);
/* oklch */ color: oklch(36.3% 0.124 263.8);

Tailwind

colors: {
  custom: {
    50: '#676ea4',
    500: '#1a387e',
    950: '#000000',
  },
}

SCSS

$custom: #1a387e;
$custom-light: #676ea4;
$custom-dark: #000000;

JSON

{
  "hex": "#1a387e",
  "rgb": {
    "r": 26,
    "g": 56,
    "b": 126
  },
  "hsl": {
    "h": 222,
    "s": 65.789,
    "l": 29.804
  },
  "oklch": {
    "l": 0.36278,
    "c": 0.12427,
    "h": 263.8
  },
  "luminance": 0.04554
}

Semantic roles & 50–950 ramp

primary

#1A387E

secondary

#B29042

accent

#B63FE9

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #1A387E

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

Preview Lab → · Contrast checker → · Palette generator →