#6473AF
Closest named color: Dull Blue (#49759C). oklch(56.9% 0.095 272.4), rgb(100, 115, 175).
Aa
Black text reads best on this color (4.61:1).
About this color
#6473AF is a medium-dark, moderately saturated blue. In OKLCH its lightness is 57%, its chroma 0.095 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Dull Blue (#49759C), ΔE 0.047 away. Black text reads best on it, at 4.61:1.
| Hue family | Blues |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.095) |
| Temperature | cool |
| Nearest name | Dull Blue (#49759C) |
| Black text | 4.61:1 |
| White text | 4.55:1 |
Values
| HEX | #6473AF |
| RGB | rgb(100, 115, 175) |
| HSL | hsl(228, 32%, 54%) |
| OKLCH | oklch(56.9% 0.095 272.4) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #6473AF | 4.55:1 | AA | Lc -77.0 | Fine for body text |
| Black text on #6473AF | 4.61:1 | AA | Lc 32.5 | Non-text elements, placeholder text |
| #6473AF text on white | 4.55:1 | AA | Lc 71.5 | Content text, not long reading |
| #6473AF text on black | 4.61:1 | AA | Lc -30.1 | Non-text elements, placeholder text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 600.
-
Step 50
50
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E7E9F2
oklch(93.5% 0.012 276.1)
-
Step 200
200
#D3D9E9
oklch(88.6% 0.023 269.4)
-
Step 300
300
#B7C0DD
oklch(81% 0.042 271.8)
-
Step 400
400
#929ECC
oklch(70.6% 0.069 273.2)
-
Step 500
500
#7786BF
oklch(63.1% 0.088 272.4)
-
Step 600
600 (this color)
#6473AF
oklch(56.9% 0.095 272.4)
-
Step 700
700
#505D93
oklch(49.2% 0.088 272.5)
-
Step 800
800
#414C77
oklch(42.7% 0.073 272.1)
-
Step 900
900
#373F60
oklch(37.6% 0.058 272.9)
-
Step 950
950
#202538
oklch(26.9% 0.036 272.4)
#6473AF with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #5E79B1 | 0.017 |
| Deuteranopia (no green cones) | #5873AE | 0.016 |
| Tritanopia (no blue cones) | #4B7F89 | 0.084 |
| Achromatopsia (no color) | #767676 | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6473AF
#6473AF
oklch(56.9% 0.095 272.4)
- #8B752D
#8B752D
oklch(56.9% 0.094 92)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #6473AF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Blue #49759C ΔE 0.047
- Flat Blue #3C73A8 ΔE 0.048
- Stormy Blue #507B9C ΔE 0.049
- Steel Blue #4682B4 ΔE 0.049
- French Blue #436BAD ΔE 0.049
- Off Blue #5684AE ΔE 0.050
- Windows Blue #3778BF ΔE 0.051
- Cool Blue #4984B8 ΔE 0.051
Use #6473AF in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.