#1A3175#1A3175

#1A3175 is a dark, vivid blue. Relative luminance 0.037; OKLCH L 34.0% C 0.120 H 266.0°. Best body text is #FFFFFF at 12.07:1 contrast (WCAG AA passes).

Color values

HEX	#1A3175
RGB	rgb(26, 49, 117)
HSL	hsl(225, 64%, 28%)
HSV	hsv(225, 78%, 46%)
CMYK	cmyk(77.8%, 58.1%, 0%, 54.1%)
CIE-LAB	lab(22.65, 17.35, -41.66)
CIE-LCH	lch(22.65, 45.13, 292.61°)
OKLab	oklab(33.96% -0.0085 -0.1201)
OKLCH	oklch(33.96% 0.12 266)
XYZ	xyz(4.7341, 3.7001, 17.2909)
Luminance	0.0370 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3175 #755E1A

analogous

#1A5E75 #1A3175 #301A75

triadic

#1A3175 #751A31 #31751A

tetradic

#1A3175 #751A5E #755E1A #1A7530

square

#1A3175 #751A5E #755E1A #1A7530

split-complementary

#1A3175 #75301A #5E751A

monochromatic

#060A19 #0F1C43 #1A3175 #2546A7 #375ED3

Accessibility & contrast

On white

12.07

#1A3175 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#1A3175 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3175

12.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3175	#FFFFFF	#000000	##FFFFFF
##1A3175	1.00	12.07	1.74	12.07
#FFFFFF	12.07	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A77

Deuteranopia (green-blind)

#003274

Tritanopia (blue-blind)

#00424E

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #1a3175;
/* rgb */ color: rgb(26, 49, 117);
/* oklch */ color: oklch(34.0% 0.120 266.0);

Tailwind

colors: {
  custom: {
    50: '#65689d',
    500: '#1a3175',
    950: '#000000',
  },
}

SCSS

$custom: #1a3175;
$custom-light: #65689d;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3175",
  "rgb": {
    "r": 26,
    "g": 49,
    "b": 117
  },
  "hsl": {
    "h": 224.835,
    "s": 63.636,
    "l": 28.039
  },
  "oklch": {
    "l": 0.33959,
    "c": 0.12041,
    "h": 266
  },
  "luminance": 0.03701
}

Semantic roles & 50–950 ramp

primary

#1A3175

secondary

#AA8F41

accent

#BD41E7

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #1A3175

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

Preview Lab → · Contrast checker → · Palette generator →