#406273
Closest named color: Slate (#516572). oklch(47.7% 0.048 230.7), rgb(64, 98, 115).
Aa
White text reads best on this color (6.53:1).
About this color
#406273 is a medium-dark, muted blue. In OKLCH its lightness is 48%, its chroma 0.048 and its hue 231°. Its hue sits on the cool side of the wheel. The nearest named color is Slate (#516572), ΔE 0.025 away. White text reads best on it, at 6.53:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | muted (0.048) |
| Temperature | cool |
| Nearest name | Slate (#516572) |
| Black text | 3.21:1 |
| White text | 6.53:1 |
Values
| HEX | #406273 |
| RGB | rgb(64, 98, 115) |
| HSL | hsl(200, 28%, 35%) |
| OKLCH | oklch(47.7% 0.048 230.7) |
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 #406273 | 6.53:1 | AA | Lc -87.4 | Fine for body text |
| Black text on #406273 | 3.21:1 | AA large text | Lc 21.7 | Dividers and decoration only |
| #406273 text on white | 6.53:1 | AA | Lc 82.3 | Fine for body text |
| #406273 text on black | 3.21:1 | AA large text | Lc -19.6 | Dividers and decoration only |
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 700.
-
Step 50
50
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E6EBED
oklch(93.7% 0.006 223.5)
-
Step 200
200
#D1DBE0
oklch(88.5% 0.013 228.9)
-
Step 300
300
#B2C4CD
oklch(80.9% 0.023 229.2)
-
Step 400
400
#8AA5B4
oklch(70.6% 0.037 232.3)
-
Step 500
500
#6C8FA1
oklch(63% 0.048 230.8)
-
Step 600
600
#54798C
oklch(55.6% 0.051 231.2)
-
Step 700
700 (this color)
#406273
oklch(47.7% 0.048 230.7)
-
Step 800
800
#385361
oklch(42.6% 0.04 231.5)
-
Step 900
900
#31454F
oklch(37.8% 0.03 230.2)
-
Step 950
950
#1D282E
oklch(26.9% 0.019 232.2)
#406273 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) | #5A6174 | 0.035 |
| Deuteranopia (no green cones) | #525B73 | 0.030 |
| Tritanopia (no blue cones) | #2B6767 | 0.036 |
| Achromatopsia (no color) | #5D5D5D | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #406273
#406273
oklch(47.7% 0.048 230.7)
- #735544
#735544
oklch(47.6% 0.048 50.7)
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 #406273, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.025
- YInMn Blue #415A77 ΔE 0.028
- Denim #3B638C ΔE 0.040
- Dusty Grape #545775 ΔE 0.042
- Dark Aqua #05696B ΔE 0.048
- Petrol #005F6A ΔE 0.049
- Light Navy Blue #2E5A88 ΔE 0.052
- Dusk #4E5481 ΔE 0.056
Use #406273 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.