#1A317E#1A317E

#1A317E is a dark, vivid blue. Relative luminance 0.039; OKLCH L 34.8% C 0.134 H 266.5°. Best body text is #FFFFFF at 11.77:1 contrast (WCAG AA passes).

Color values

HEX	#1A317E
RGB	rgb(26, 49, 126)
HSL	hsl(226, 66%, 30%)
HSV	hsv(226, 79%, 49%)
CMYK	cmyk(79.4%, 61.1%, 0%, 50.6%)
CIE-LAB	lab(23.41, 21.01, -46.14)
CIE-LCH	lch(23.41, 50.70, 294.48°)
OKLab	oklab(34.77% -0.008 -0.1333)
OKLCH	oklch(34.77% 0.134 266.5)
XYZ	xyz(5.2889, 3.9220, 20.2129)
Luminance	0.0392 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A317E #7E671A

analogous

#1A637E #1A317E #351A7E

triadic

#1A317E #7E1A31 #317E1A

tetradic

#1A317E #7E1A63 #7E671A #1A7E35

square

#1A317E #7E1A63 #7E671A #1A7E35

split-complementary

#1A317E #7E351A #637E1A

monochromatic

#050A19 #101D4B #1A317E #2445B1 #3C5FD7

Accessibility & contrast

On white

11.77

#1A317E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#1A317E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A317E

11.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A317E	#FFFFFF	#000000	##FFFFFF
##1A317E	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)

#003D81

Deuteranopia (green-blind)

#00337D

Tritanopia (blue-blind)

#004452

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #1a317e;
/* rgb */ color: rgb(26, 49, 126);
/* oklch */ color: oklch(34.8% 0.134 266.5);

Tailwind

colors: {
  custom: {
    50: '#6868a4',
    500: '#1a317e',
    950: '#000000',
  },
}

SCSS

$custom: #1a317e;
$custom-light: #6868a4;
$custom-dark: #000000;

JSON

{
  "hex": "#1a317e",
  "rgb": {
    "r": 26,
    "g": 49,
    "b": 126
  },
  "hsl": {
    "h": 226.2,
    "s": 65.789,
    "l": 29.804
  },
  "oklch": {
    "l": 0.34765,
    "c": 0.13351,
    "h": 266.5
  },
  "luminance": 0.03923
}

Semantic roles & 50–950 ramp

primary

#1A317E

secondary

#B29842

accent

#C23FE9

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #1A317E

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

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