#285EAF#285EAF

#285EAF is a mid, vivid blue. Relative luminance 0.116; OKLCH L 49.0% C 0.141 H 258.6°. Best body text is #FFFFFF at 6.34:1 contrast (WCAG AA passes).

Color values

HEX	#285EAF
RGB	rgb(40, 94, 175)
HSL	hsl(216, 63%, 42%)
HSV	hsv(216, 77%, 69%)
CMYK	cmyk(77.1%, 46.3%, 0%, 31.4%)
CIE-LAB	lab(40.49, 11.53, -48.32)
CIE-LCH	lch(40.49, 49.68, 283.42°)
OKLab	oklab(49.05% -0.0279 -0.1386)
OKLCH	oklch(49.05% 0.141 258.6)
XYZ	xyz(12.6128, 11.5502, 42.1138)
Luminance	0.1155 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#285EAF #AF7928

analogous

#28A2AF #285EAF #3528AF

triadic

#285EAF #AF285E #5EAF28

tetradic

#285EAF #AF28A2 #AF7928 #28AF35

square

#285EAF #AF28A2 #AF7928 #28AF35

split-complementary

#285EAF #AF3528 #A2AF28

monochromatic

#11284B #1D437D #285EAF #417BD4 #739EDF

Accessibility & contrast

On white

6.34

#285EAF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#285EAF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #285EAF

6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##285EAF	#FFFFFF	#000000	##FFFFFF
##285EAF	1.00	6.34	3.31	6.34
#FFFFFF	6.34	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3366B2

Deuteranopia (green-blind)

#135AAD

Tritanopia (blue-blind)

#00717E

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #285eaf;
/* rgb */ color: rgb(40, 94, 175);
/* oklch */ color: oklch(49.0% 0.141 258.6);

Tailwind

colors: {
  custom: {
    50: '#768bc7',
    500: '#285eaf',
    950: '#000000',
  },
}

SCSS

$custom: #285eaf;
$custom-light: #768bc7;
$custom-dark: #000000;

JSON

{
  "hex": "#285eaf",
  "rgb": {
    "r": 40,
    "g": 94,
    "b": 175
  },
  "hsl": {
    "h": 216,
    "s": 62.791,
    "l": 42.157
  },
  "oklch": {
    "l": 0.4905,
    "c": 0.14139,
    "h": 258.6
  },
  "luminance": 0.11552
}

Semantic roles & 50–950 ramp

primary

#285EAF

secondary

#C6A26D

accent

#A442E6

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #285EAF

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

Preview Lab → · Contrast checker → · Palette generator →