#1E5B8B#1E5B8B

#1E5B8B is a mid, moderate cyan. Relative luminance 0.096; OKLCH L 45.7% C 0.100 H 246.4°. Best body text is #FFFFFF at 7.18:1 contrast (WCAG AA passes).

Color values

HEX	#1E5B8B
RGB	rgb(30, 91, 139)
HSL	hsl(206, 64%, 33%)
HSV	hsv(206, 78%, 55%)
CMYK	cmyk(78.4%, 34.5%, 0%, 45.5%)
CIE-LAB	lab(37.15, -1.77, -32.13)
CIE-LCH	lch(37.15, 32.18, 266.85°)
OKLab	oklab(45.67% -0.0398 -0.0913)
OKLCH	oklch(45.67% 0.1 246.4)
XYZ	xyz(8.9349, 9.6212, 25.8073)
Luminance	0.0962 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E5B8B #8B4E1E

analogous

#1E8B84 #1E5B8B #1E248B

triadic

#1E5B8B #8B1E5B #5B8B1E

tetradic

#1E5B8B #841E8B #8B4E1E #248B1E

square

#1E5B8B #841E8B #8B4E1E #248B1E

split-complementary

#1E5B8B #8B1E24 #8B841E

monochromatic

#081926 #133A59 #1E5B8B #297CBD #4B9AD8

Accessibility & contrast

On white

7.18

#1E5B8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.92

#1E5B8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E5B8B

7.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E5B8B	#FFFFFF	#000000	##FFFFFF
##1E5B8B	1.00	7.18	2.92	7.18
#FFFFFF	7.18	1.00	21.00	1.00
#000000	2.92	21.00	1.00	21.00
##FFFFFF	7.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#455D8D

Deuteranopia (green-blind)

#35538A

Tritanopia (blue-blind)

#00676C

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #1e5b8b;
/* rgb */ color: rgb(30, 91, 139);
/* oklch */ color: oklch(45.7% 0.100 246.4);

Tailwind

colors: {
  custom: {
    50: '#6b89ad',
    500: '#1e5b8b',
    950: '#000000',
  },
}

SCSS

$custom: #1e5b8b;
$custom-light: #6b89ad;
$custom-dark: #000000;

JSON

{
  "hex": "#1e5b8b",
  "rgb": {
    "r": 30,
    "g": 91,
    "b": 139
  },
  "hsl": {
    "h": 206.422,
    "s": 64.497,
    "l": 33.137
  },
  "oklch": {
    "l": 0.45673,
    "c": 0.09959,
    "h": 246.4
  },
  "luminance": 0.09622
}

Semantic roles & 50–950 ramp

primary

#1E5B8B

secondary

#BB7C4A

accent

#8A40E7

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#080B10

muted

#7A7C7F

Preview Lab

Preview with #1E5B8B

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

Preview Lab → · Contrast checker → · Palette generator →