#1A3E7D#1A3E7D

#1A3E7D is a dark, moderate blue. Relative luminance 0.051; OKLCH L 37.6% C 0.115 H 260.7°. Best body text is #FFFFFF at 10.35:1 contrast (WCAG AA passes).

Color values

HEX	#1A3E7D
RGB	rgb(26, 62, 125)
HSL	hsl(218, 66%, 30%)
HSV	hsv(218, 79%, 49%)
CMYK	cmyk(79.2%, 50.4%, 0%, 51%)
CIE-LAB	lab(27.14, 11.44, -39.46)
CIE-LCH	lch(27.14, 41.08, 286.16°)
OKLab	oklab(37.57% -0.0186 -0.1134)
OKLCH	oklch(37.57% 0.115 260.7)
XYZ	xyz(5.8490, 5.1449, 20.0829)
Luminance	0.0515 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3E7D #7D591A

analogous

#1A707D #1A3E7D #281A7D

triadic

#1A3E7D #7D1A3E #3E7D1A

tetradic

#1A3E7D #7D1A70 #7D591A #1A7D28

square

#1A3E7D #7D1A70 #7D591A #1A7D28

split-complementary

#1A3E7D #7D281A #707D1A

monochromatic

#050D19 #0F254A #1A3E7D #2557B0 #3B74D6

Accessibility & contrast

On white

10.35

#1A3E7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#1A3E7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3E7D

10.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3E7D	#FFFFFF	#000000	##FFFFFF
##1A3E7D	1.00	10.35	2.03	10.35
#FFFFFF	10.35	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A457F

Deuteranopia (green-blind)

#003C7C

Tritanopia (blue-blind)

#004D57

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #1a3e7d;
/* rgb */ color: rgb(26, 62, 125);
/* oklch */ color: oklch(37.6% 0.115 260.7);

Tailwind

colors: {
  custom: {
    50: '#6772a3',
    500: '#1a3e7d',
    950: '#000000',
  },
}

SCSS

$custom: #1a3e7d;
$custom-light: #6772a3;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3e7d",
  "rgb": {
    "r": 26,
    "g": 62,
    "b": 125
  },
  "hsl": {
    "h": 218.182,
    "s": 65.563,
    "l": 29.608
  },
  "oklch": {
    "l": 0.37566,
    "c": 0.1149,
    "h": 260.7
  },
  "luminance": 0.05146
}

Semantic roles & 50–950 ramp

primary

#1A3E7D

secondary

#B18942

accent

#AB3FE9

background

#F6F6FA

surface

#EBECF4

border

#C6C7CE

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #1A3E7D

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

Preview Lab → · Contrast checker → · Palette generator →