#10438E#10438E

#10438E is a dark, vivid blue. Relative luminance 0.061; OKLCH L 39.8% C 0.135 H 258.9°. Best body text is #FFFFFF at 9.48:1 contrast (WCAG AA passes).

Color values

HEX	#10438E
RGB	rgb(16, 67, 142)
HSL	hsl(216, 80%, 31%)
HSV	hsv(216, 89%, 56%)
CMYK	cmyk(88.7%, 52.8%, 0%, 44.3%)
CIE-LAB	lab(29.60, 14.02, -46.06)
CIE-LCH	lch(29.60, 48.15, 286.93°)
OKLab	oklab(39.77% -0.0259 -0.1328)
OKLCH	oklch(39.77% 0.135 258.9)
XYZ	xyz(7.1015, 6.0766, 26.3845)
Luminance	0.0608 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10438E #8E5B10

analogous

#10828E #10438E #1C108E

triadic

#10438E #8E1043 #438E10

tetradic

#10438E #8E1082 #8E5B10 #108E1C

square

#10438E #8E1082 #8E5B10 #108E1C

split-complementary

#10438E #8E1C10 #828E10

monochromatic

#040F20 #0A2957 #10438E #165DC5 #317BE8

Accessibility & contrast

On white

9.48

#10438E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#10438E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10438E

9.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10438E	#FFFFFF	#000000	##FFFFFF
##10438E	1.00	9.48	2.22	9.48
#FFFFFF	9.48	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E4C91

Deuteranopia (green-blind)

#00408D

Tritanopia (blue-blind)

#005562

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #10438e;
/* rgb */ color: rgb(16, 67, 142);
/* oklch */ color: oklch(39.8% 0.135 258.9);

Tailwind

colors: {
  custom: {
    50: '#6876b0',
    500: '#10438e',
    950: '#000000',
  },
}

SCSS

$custom: #10438e;
$custom-light: #6876b0;
$custom-dark: #000000;

JSON

{
  "hex": "#10438e",
  "rgb": {
    "r": 16,
    "g": 67,
    "b": 142
  },
  "hsl": {
    "h": 215.714,
    "s": 79.747,
    "l": 30.98
  },
  "oklch": {
    "l": 0.39765,
    "c": 0.13534,
    "h": 258.9
  },
  "luminance": 0.06077
}

Semantic roles & 50–950 ramp

primary

#10438E

secondary

#C38A37

accent

#A732F6

background

#F6F7FA

surface

#ECEDF5

border

#C7C8CF

text

#070810

muted

#7A7B7F

Preview Lab

Preview with #10438E

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

Preview Lab → · Contrast checker → · Palette generator →