#1C458F#1C458F

#1C458F is a dark, vivid blue. Relative luminance 0.065; OKLCH L 40.6% C 0.131 H 261.1°. Best body text is #FFFFFF at 9.14:1 contrast (WCAG AA passes).

Color values

HEX	#1C458F
RGB	rgb(28, 69, 143)
HSL	hsl(219, 67%, 34%)
HSV	hsv(219, 80%, 56%)
CMYK	cmyk(80.4%, 51.7%, 0%, 43.9%)
CIE-LAB	lab(30.61, 14.17, -45.04)
CIE-LCH	lch(30.61, 47.22, 287.47°)
OKLab	oklab(40.65% -0.0204 -0.1296)
OKLCH	oklch(40.65% 0.131 261.1)
XYZ	xyz(7.5631, 6.4854, 26.8345)
Luminance	0.0649 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C458F #8F661C

analogous

#1C7E8F #1C458F #2D1C8F

triadic

#1C458F #8F1C45 #458F1C

tetradic

#1C458F #8F1C7E #8F661C #1C8F2D

square

#1C458F #8F1C7E #8F661C #1C8F2D

split-complementary

#1C458F #8F2D1C #7E8F1C

monochromatic

#081429 #122C5C #1C458F #265EC2 #4A7EDC

Accessibility & contrast

On white

9.14

#1C458F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#1C458F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C458F

9.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C458F	#FFFFFF	#000000	##FFFFFF
##1C458F	1.00	9.14	2.30	9.14
#FFFFFF	9.14	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#164E92

Deuteranopia (green-blind)

#00438E

Tritanopia (blue-blind)

#005763

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #1c458f;
/* rgb */ color: rgb(28, 69, 143);
/* oklch */ color: oklch(40.6% 0.131 261.1);

Tailwind

colors: {
  custom: {
    50: '#6b78b0',
    500: '#1c458f',
    950: '#000000',
  },
}

SCSS

$custom: #1c458f;
$custom-light: #6b78b0;
$custom-dark: #000000;

JSON

{
  "hex": "#1c458f",
  "rgb": {
    "r": 28,
    "g": 69,
    "b": 143
  },
  "hsl": {
    "h": 218.609,
    "s": 67.251,
    "l": 33.529
  },
  "oklch": {
    "l": 0.40649,
    "c": 0.13122,
    "h": 261.1
  },
  "luminance": 0.06486
}

Semantic roles & 50–950 ramp

primary

#1C458F

secondary

#BE9449

accent

#AD3EEA

background

#F6F7FA

surface

#ECEDF5

border

#C7C8CF

text

#080810

muted

#7A7B7F

Preview Lab

Preview with #1C458F

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

Preview Lab → · Contrast checker → · Palette generator →