#1A2971#1A2971

#1A2971 is a dark, vivid blue. Relative luminance 0.030; OKLCH L 31.9% C 0.125 H 269.0°. Best body text is #FFFFFF at 13.13:1 contrast (WCAG AA passes).

Color values

HEX	#1A2971
RGB	rgb(26, 41, 113)
HSL	hsl(230, 63%, 27%)
HSV	hsv(230, 77%, 44%)
CMYK	cmyk(77%, 63.7%, 0%, 55.7%)
CIE-LAB	lab(20.03, 21.43, -43.36)
CIE-LCH	lch(20.03, 48.37, 296.30°)
OKLab	oklab(31.89% -0.0022 -0.1252)
OKLCH	oklch(31.89% 0.125 269)
XYZ	xyz(4.1985, 2.9973, 15.9768)
Luminance	0.0300 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A2971 #71621A

analogous

#1A5571 #1A2971 #361A71

triadic

#1A2971 #711A29 #29711A

tetradic

#1A2971 #711A55 #71621A #1A7136

square

#1A2971 #711A55 #71621A #1A7136

split-complementary

#1A2971 #71361A #55711A

monochromatic

#060919 #0F173F #1A2971 #253BA3 #3550D0

Accessibility & contrast

On white

13.13

#1A2971 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#1A2971 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A2971

13.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A2971	#FFFFFF	#000000	##FFFFFF
##1A2971	1.00	13.13	1.60	13.13
#FFFFFF	13.13	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003573

Deuteranopia (green-blind)

#002C70

Tritanopia (blue-blind)

#003B48

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #1a2971;
/* rgb */ color: rgb(26, 41, 113);
/* oklch */ color: oklch(31.9% 0.125 269.0);

Tailwind

colors: {
  custom: {
    50: '#65629a',
    500: '#1a2971',
    950: '#000000',
  },
}

SCSS

$custom: #1a2971;
$custom-light: #65629a;
$custom-dark: #000000;

JSON

{
  "hex": "#1a2971",
  "rgb": {
    "r": 26,
    "g": 41,
    "b": 113
  },
  "hsl": {
    "h": 229.655,
    "s": 62.59,
    "l": 27.255
  },
  "oklch": {
    "l": 0.31893,
    "c": 0.12525,
    "h": 269
  },
  "luminance": 0.02998
}

Semantic roles & 50–950 ramp

primary

#1A2971

secondary

#A69541

accent

#C942E6

background

#F6F5F9

surface

#EBEAF2

border

#C6C6CC

text

#06050E

muted

#7A797E

Preview Lab

Preview with #1A2971

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

Preview Lab → · Contrast checker → · Palette generator →