#1E4F8B#1E4F8B

#1E4F8B is a dark, moderate cyan. Relative luminance 0.077; OKLCH L 42.7% C 0.113 H 255.4°. Best body text is #FFFFFF at 8.25:1 contrast (WCAG AA passes).

Color values

HEX	#1E4F8B
RGB	rgb(30, 79, 139)
HSL	hsl(213, 64%, 33%)
HSV	hsv(213, 78%, 55%)
CMYK	cmyk(78.4%, 43.2%, 0%, 45.5%)
CIE-LAB	lab(33.42, 6.03, -38.07)
CIE-LCH	lch(33.42, 38.54, 279.00°)
OKLab	oklab(42.75% -0.0284 -0.1089)
OKLCH	oklch(42.75% 0.113 255.4)
XYZ	xyz(7.9899, 7.7311, 25.4923)
Luminance	0.0773 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E4F8B #8B5A1E

analogous

#1E858B #1E4F8B #241E8B

triadic

#1E4F8B #8B1E4F #4F8B1E

tetradic

#1E4F8B #8B1E85 #8B5A1E #1E8B24

square

#1E4F8B #8B1E85 #8B5A1E #1E8B24

split-complementary

#1E4F8B #8B241E #858B1E

monochromatic

#081626 #133259 #1E4F8B #296CBD #4B8BD8

Accessibility & contrast

On white

8.25

#1E4F8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#1E4F8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E4F8B

8.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E4F8B	#FFFFFF	#000000	##FFFFFF
##1E4F8B	1.00	8.25	2.55	8.25
#FFFFFF	8.25	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#32548D

Deuteranopia (green-blind)

#1E4A8A

Tritanopia (blue-blind)

#005D66

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #1e4f8b;
/* rgb */ color: rgb(30, 79, 139);
/* oklch */ color: oklch(42.7% 0.113 255.4);

Tailwind

colors: {
  custom: {
    50: '#6b7fad',
    500: '#1e4f8b',
    950: '#000000',
  },
}

SCSS

$custom: #1e4f8b;
$custom-light: #6b7fad;
$custom-dark: #000000;

JSON

{
  "hex": "#1e4f8b",
  "rgb": {
    "r": 30,
    "g": 79,
    "b": 139
  },
  "hsl": {
    "h": 213.028,
    "s": 64.497,
    "l": 33.137
  },
  "oklch": {
    "l": 0.42748,
    "c": 0.11253,
    "h": 255.4
  },
  "luminance": 0.07732
}

Semantic roles & 50–950 ramp

primary

#1E4F8B

secondary

#BB884A

accent

#9C40E7

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#080A10

muted

#7A7C7F

Preview Lab

Preview with #1E4F8B

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

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