#1A437E#1A437E

#1A437E is a dark, moderate blue. Relative luminance 0.057; OKLCH L 38.8% C 0.110 H 258.0°. Best body text is #FFFFFF at 9.78:1 contrast (WCAG AA passes).

Color values

HEX	#1A437E
RGB	rgb(26, 67, 126)
HSL	hsl(215, 66%, 30%)
HSV	hsv(215, 79%, 49%)
CMYK	cmyk(79.4%, 46.8%, 0%, 50.6%)
CIE-LAB	lab(28.75, 8.38, -37.51)
CIE-LCH	lch(28.75, 38.44, 282.59°)
OKLab	oklab(38.82% -0.0229 -0.1075)
OKLCH	oklch(38.82% 0.11 258)
XYZ	xyz(6.1977, 5.7396, 20.5158)
Luminance	0.0574 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A437E #7E551A

analogous

#1A757E #1A437E #231A7E

triadic

#1A437E #7E1A43 #437E1A

tetradic

#1A437E #7E1A75 #7E551A #1A7E23

square

#1A437E #7E1A75 #7E551A #1A7E23

split-complementary

#1A437E #7E231A #757E1A

monochromatic

#050D19 #10284B #1A437E #245EB1 #3C7BD7

Accessibility & contrast

On white

9.78

#1A437E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#1A437E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A437E

9.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A437E	#FFFFFF	#000000	##FFFFFF
##1A437E	1.00	9.78	2.15	9.78
#FFFFFF	9.78	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#244980

Deuteranopia (green-blind)

#0E407D

Tritanopia (blue-blind)

#00515A

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #1a437e;
/* rgb */ color: rgb(26, 67, 126);
/* oklch */ color: oklch(38.8% 0.110 258.0);

Tailwind

colors: {
  custom: {
    50: '#6776a4',
    500: '#1a437e',
    950: '#000000',
  },
}

SCSS

$custom: #1a437e;
$custom-light: #6776a4;
$custom-dark: #000000;

JSON

{
  "hex": "#1a437e",
  "rgb": {
    "r": 26,
    "g": 67,
    "b": 126
  },
  "hsl": {
    "h": 215.4,
    "s": 65.789,
    "l": 29.804
  },
  "oklch": {
    "l": 0.38821,
    "c": 0.10995,
    "h": 258
  },
  "luminance": 0.0574
}

Semantic roles & 50–950 ramp

primary

#1A437E

secondary

#B28442

accent

#A33FE9

background

#F6F7FA

surface

#EBEDF4

border

#C6C8CE

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #1A437E

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

Preview Lab → · Contrast checker → · Palette generator →