#1A4F9E#1A4F9E

#1A4F9E is a dark, vivid blue. Relative luminance 0.083; OKLCH L 44.0% C 0.140 H 258.8°. Best body text is #FFFFFF at 7.91:1 contrast (WCAG AA passes).

Color values

HEX	#1A4F9E
RGB	rgb(26, 79, 158)
HSL	hsl(216, 72%, 36%)
HSV	hsv(216, 84%, 62%)
CMYK	cmyk(83.5%, 50%, 0%, 38%)
CIE-LAB	lab(34.56, 13.23, -47.78)
CIE-LCH	lch(34.56, 49.57, 285.48°)
OKLab	oklab(44% -0.0272 -0.1375)
OKLCH	oklch(44% 0.14 258.8)
XYZ	xyz(9.3913, 8.2790, 33.4442)
Luminance	0.0828 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A4F9E #9E691A

analogous

#1A919E #1A4F9E #271A9E

triadic

#1A4F9E #9E1A4F #4F9E1A

tetradic

#1A4F9E #9E1A91 #9E691A #1A9E27

square

#1A4F9E #9E1A91 #9E691A #1A9E27

split-complementary

#1A4F9E #9E271A #919E1A

monochromatic

#091A35 #113569 #1A4F9E #2369D3 #508BE2

Accessibility & contrast

On white

7.91

#1A4F9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#1A4F9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A4F9E

7.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A4F9E	#FFFFFF	#000000	##FFFFFF
##1A4F9E	1.00	7.91	2.66	7.91
#FFFFFF	7.91	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F58A1

Deuteranopia (green-blind)

#004C9C

Tritanopia (blue-blind)

#00626F

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #1a4f9e;
/* rgb */ color: rgb(26, 79, 158);
/* oklch */ color: oklch(44.0% 0.140 258.8);

Tailwind

colors: {
  custom: {
    50: '#6e7fbb',
    500: '#1a4f9e',
    950: '#000000',
  },
}

SCSS

$custom: #1a4f9e;
$custom-light: #6e7fbb;
$custom-dark: #000000;

JSON

{
  "hex": "#1a4f9e",
  "rgb": {
    "r": 26,
    "g": 79,
    "b": 158
  },
  "hsl": {
    "h": 215.909,
    "s": 71.739,
    "l": 36.078
  },
  "oklch": {
    "l": 0.44,
    "c": 0.14016,
    "h": 258.8
  },
  "luminance": 0.0828
}

Semantic roles & 50–950 ramp

primary

#1A4F9E

secondary

#C5954F

accent

#A639EE

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080A12

muted

#7B7C81

Preview Lab

Preview with #1A4F9E

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

Preview Lab → · Contrast checker → · Palette generator →