#1E558B#1E558B

#1E558B is a dark, moderate cyan. Relative luminance 0.086; OKLCH L 44.2% C 0.106 H 251.2°. Best body text is #FFFFFF at 7.70:1 contrast (WCAG AA passes).

Color values

HEX	#1E558B
RGB	rgb(30, 85, 139)
HSL	hsl(210, 64%, 33%)
HSV	hsv(210, 78%, 55%)
CMYK	cmyk(78.4%, 38.8%, 0%, 45.5%)
CIE-LAB	lab(35.27, 2.08, -35.11)
CIE-LCH	lch(35.27, 35.17, 273.39°)
OKLab	oklab(44.2% -0.034 -0.1001)
OKLCH	oklch(44.2% 0.106 251.2)
XYZ	xyz(8.4424, 8.6361, 25.6431)
Luminance	0.0864 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E558B #8B541E

analogous

#1E8B8A #1E558B #1E1E8B

triadic

#1E558B #8B1E55 #558B1E

tetradic

#1E558B #8A1E8B #8B541E #1E8B1E

square

#1E558B #8A1E8B #8B541E #1E8B1E

split-complementary

#1E558B #8B1E1E #8B8A1E

monochromatic

#081726 #133659 #1E558B #2974BD #4B92D8

Accessibility & contrast

On white

7.70

#1E558B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#1E558B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E558B

7.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E558B	#FFFFFF	#000000	##FFFFFF
##1E558B	1.00	7.70	2.73	7.70
#FFFFFF	7.70	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C588D

Deuteranopia (green-blind)

#2B4E8A

Tritanopia (blue-blind)

#006269

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #1e558b;
/* rgb */ color: rgb(30, 85, 139);
/* oklch */ color: oklch(44.2% 0.106 251.2);

Tailwind

colors: {
  custom: {
    50: '#6b84ad',
    500: '#1e558b',
    950: '#000000',
  },
}

SCSS

$custom: #1e558b;
$custom-light: #6b84ad;
$custom-dark: #000000;

JSON

{
  "hex": "#1e558b",
  "rgb": {
    "r": 30,
    "g": 85,
    "b": 139
  },
  "hsl": {
    "h": 209.725,
    "s": 64.497,
    "l": 33.137
  },
  "oklch": {
    "l": 0.44197,
    "c": 0.10572,
    "h": 251.2
  },
  "luminance": 0.08637
}

Semantic roles & 50–950 ramp

primary

#1E558B

secondary

#BB824A

accent

#9340E7

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#080A10

muted

#7A7C7F

Preview Lab

Preview with #1E558B

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

Preview Lab → · Contrast checker → · Palette generator →