#1D457B#1D457B

#1D457B is a dark, moderate cyan. Relative luminance 0.059; OKLCH L 39.2% C 0.102 H 256.8°. Best body text is #FFFFFF at 9.59:1 contrast (WCAG AA passes).

Color values

HEX	#1D457B
RGB	rgb(29, 69, 123)
HSL	hsl(214, 62%, 30%)
HSV	hsv(214, 76%, 48%)
CMYK	cmyk(76.4%, 43.9%, 0%, 51.8%)
CIE-LAB	lab(29.28, 6.21, -34.78)
CIE-LCH	lch(29.28, 35.33, 280.12°)
OKLab	oklab(39.2% -0.0233 -0.0994)
OKLCH	oklch(39.2% 0.102 256.8)
XYZ	xyz(6.2087, 5.9468, 19.5557)
Luminance	0.0595 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D457B #7B531D

analogous

#1D747B #1D457B #241D7B

triadic

#1D457B #7B1D45 #457B1D

tetradic

#1D457B #7B1D74 #7B531D #1D7B24

square

#1D457B #7B1D74 #7B531D #1D7B24

split-complementary

#1D457B #7B241D #747B1D

monochromatic

#060E19 #112949 #1D457B #2961AD #407ED2

Accessibility & contrast

On white

9.59

#1D457B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#1D457B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D457B

9.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D457B	#FFFFFF	#000000	##FFFFFF
##1D457B	1.00	9.59	2.19	9.59
#FFFFFF	9.59	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B4A7D

Deuteranopia (green-blind)

#1A417A

Tritanopia (blue-blind)

#00525A

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #1d457b;
/* rgb */ color: rgb(29, 69, 123);
/* oklch */ color: oklch(39.2% 0.102 256.8);

Tailwind

colors: {
  custom: {
    50: '#6778a1',
    500: '#1d457b',
    950: '#000000',
  },
}

SCSS

$custom: #1d457b;
$custom-light: #6778a1;
$custom-dark: #000000;

JSON

{
  "hex": "#1d457b",
  "rgb": {
    "r": 29,
    "g": 69,
    "b": 123
  },
  "hsl": {
    "h": 214.468,
    "s": 61.842,
    "l": 29.804
  },
  "oklch": {
    "l": 0.392,
    "c": 0.1021,
    "h": 256.8
  },
  "luminance": 0.05948
}

Semantic roles & 50–950 ramp

primary

#1D457B

secondary

#AF8245

accent

#A043E5

background

#F6F7FA

surface

#EBEDF3

border

#C6C8CD

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #1D457B

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

Preview Lab → · Contrast checker → · Palette generator →