#1E437B#1E437B

#1E437B is a dark, moderate blue. Relative luminance 0.057; OKLCH L 38.8% C 0.104 H 258.6°. Best body text is #FFFFFF at 9.79:1 contrast (WCAG AA passes).

Color values

HEX	#1E437B
RGB	rgb(30, 67, 123)
HSL	hsl(216, 61%, 30%)
HSV	hsv(216, 76%, 48%)
CMYK	cmyk(75.6%, 45.5%, 0%, 51.8%)
CIE-LAB	lab(28.69, 7.72, -35.71)
CIE-LCH	lch(28.69, 36.53, 282.20°)
OKLab	oklab(38.76% -0.0206 -0.1022)
OKLCH	oklch(38.76% 0.104 258.6)
XYZ	xyz(6.1164, 5.7197, 19.5167)
Luminance	0.0572 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E437B #7B561E

analogous

#1E717B #1E437B #281E7B

triadic

#1E437B #7B1E43 #437B1E

tetradic

#1E437B #7B1E71 #7B561E #1E7B28

square

#1E437B #7B1E71 #7B561E #1E7B28

split-complementary

#1E437B #7B281E #717B1E

monochromatic

#060D19 #12284A #1E437B #2A5EAC #427BD1

Accessibility & contrast

On white

9.79

#1E437B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#1E437B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E437B

9.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E437B	#FFFFFF	#000000	##FFFFFF
##1E437B	1.00	9.79	2.14	9.79
#FFFFFF	9.79	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#27487D

Deuteranopia (green-blind)

#16407A

Tritanopia (blue-blind)

#005059

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #1e437b;
/* rgb */ color: rgb(30, 67, 123);
/* oklch */ color: oklch(38.8% 0.104 258.6);

Tailwind

colors: {
  custom: {
    50: '#6776a1',
    500: '#1e437b',
    950: '#000000',
  },
}

SCSS

$custom: #1e437b;
$custom-light: #6776a1;
$custom-dark: #000000;

JSON

{
  "hex": "#1e437b",
  "rgb": {
    "r": 30,
    "g": 67,
    "b": 123
  },
  "hsl": {
    "h": 216.129,
    "s": 60.784,
    "l": 30
  },
  "oklch": {
    "l": 0.38758,
    "c": 0.10423,
    "h": 258.6
  },
  "luminance": 0.0572
}

Semantic roles & 50–950 ramp

primary

#1E437B

secondary

#AE8546

accent

#A444E4

background

#F6F7FA

surface

#EBEDF3

border

#C6C8CD

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #1E437B

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

Preview Lab → · Contrast checker → · Palette generator →