#1A3D7C#1A3D7C

#1A3D7C is a dark, moderate blue. Relative luminance 0.050; OKLCH L 37.3% C 0.115 H 261.0°. Best body text is #FFFFFF at 10.49:1 contrast (WCAG AA passes).

Color values

HEX	#1A3D7C
RGB	rgb(26, 61, 124)
HSL	hsl(219, 65%, 29%)
HSV	hsv(219, 79%, 49%)
CMYK	cmyk(79%, 50.8%, 0%, 51.4%)
CIE-LAB	lab(26.77, 11.73, -39.44)
CIE-LCH	lch(26.77, 41.14, 286.56°)
OKLab	oklab(37.26% -0.0179 -0.1133)
OKLCH	oklch(37.26% 0.115 261)
XYZ	xyz(5.7315, 5.0117, 19.7302)
Luminance	0.0501 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3D7C #7C591A

analogous

#1A6E7C #1A3D7C #281A7C

triadic

#1A3D7C #7C1A3D #3D7C1A

tetradic

#1A3D7C #7C1A6E #7C591A #1A7C28

square

#1A3D7C #7C1A6E #7C591A #1A7C28

split-complementary

#1A3D7C #7C281A #6E7C1A

monochromatic

#050C19 #0F2449 #1A3D7C #2556AF #3B72D6

Accessibility & contrast

On white

10.49

#1A3D7C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#1A3D7C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3D7C

10.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3D7C	#FFFFFF	#000000	##FFFFFF
##1A3D7C	1.00	10.49	2.00	10.49
#FFFFFF	10.49	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#18447E

Deuteranopia (green-blind)

#003B7B

Tritanopia (blue-blind)

#004C56

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #1a3d7c;
/* rgb */ color: rgb(26, 61, 124);
/* oklch */ color: oklch(37.3% 0.115 261.0);

Tailwind

colors: {
  custom: {
    50: '#6671a2',
    500: '#1a3d7c',
    950: '#000000',
  },
}

SCSS

$custom: #1a3d7c;
$custom-light: #6671a2;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3d7c",
  "rgb": {
    "r": 26,
    "g": 61,
    "b": 124
  },
  "hsl": {
    "h": 218.571,
    "s": 65.333,
    "l": 29.412
  },
  "oklch": {
    "l": 0.37255,
    "c": 0.11474,
    "h": 261
  },
  "luminance": 0.05012
}

Semantic roles & 50–950 ramp

primary

#1A3D7C

secondary

#B08942

accent

#AC40E8

background

#F6F6FA

surface

#EBECF3

border

#C6C7CD

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #1A3D7C

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

Preview Lab → · Contrast checker → · Palette generator →