#1E557B#1E557B

#1E557B is a dark, moderate cyan. Relative luminance 0.082; OKLCH L 43.2% C 0.085 H 242.7°. Best body text is #FFFFFF at 7.95:1 contrast (WCAG AA passes).

Color values

HEX	#1E557B
RGB	rgb(30, 85, 123)
HSL	hsl(205, 61%, 30%)
HSV	hsv(205, 76%, 48%)
CMYK	cmyk(75.6%, 30.9%, 0%, 51.8%)
CIE-LAB	lab(34.40, -4.15, -26.66)
CIE-LCH	lch(34.40, 26.98, 261.15°)
OKLab	oklab(43.22% -0.0389 -0.0754)
OKLCH	oklch(43.22% 0.085 242.7)
XYZ	xyz(7.3577, 8.2022, 19.9305)
Luminance	0.0820 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E557B #7B441E

analogous

#1E7B72 #1E557B #1E277B

triadic

#1E557B #7B1E55 #557B1E

tetradic

#1E557B #721E7B #7B441E #277B1E

square

#1E557B #721E7B #7B441E #277B1E

split-complementary

#1E557B #7B1E27 #7B721E

monochromatic

#061119 #12334A #1E557B #2A77AC #4297D1

Accessibility & contrast

On white

7.95

#1E557B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#1E557B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E557B

7.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E557B	#FFFFFF	#000000	##FFFFFF
##1E557B	1.00	7.95	2.64	7.95
#FFFFFF	7.95	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#44567D

Deuteranopia (green-blind)

#374D7A

Tritanopia (blue-blind)

#005E62

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #1e557b;
/* rgb */ color: rgb(30, 85, 123);
/* oklch */ color: oklch(43.2% 0.085 242.7);

Tailwind

colors: {
  custom: {
    50: '#6784a1',
    500: '#1e557b',
    950: '#000000',
  },
}

SCSS

$custom: #1e557b;
$custom-light: #6784a1;
$custom-dark: #000000;

JSON

{
  "hex": "#1e557b",
  "rgb": {
    "r": 30,
    "g": 85,
    "b": 123
  },
  "hsl": {
    "h": 204.516,
    "s": 60.784,
    "l": 30
  },
  "oklch": {
    "l": 0.43224,
    "c": 0.08485,
    "h": 242.7
  },
  "luminance": 0.08203
}

Semantic roles & 50–950 ramp

primary

#1E557B

secondary

#AE7146

accent

#8544E4

background

#F6F8F9

surface

#EBEFF2

border

#C6CACC

text

#070A0F

muted

#7A7C7E

Preview Lab

Preview with #1E557B

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

Preview Lab → · Contrast checker → · Palette generator →