#406983
Closest named color: Denim (#3B638C). oklch(50.2% 0.062 237.6), rgb(64, 105, 131).
Aa
White text reads best on this color (5.88:1).
About this color
#406983 is a medium-dark, muted blue. In OKLCH its lightness is 50%, its chroma 0.062 and its hue 238°. Its hue sits on the cool side of the wheel. The nearest named color is Denim (#3B638C), ΔE 0.027 away. White text reads best on it, at 5.88:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | muted (0.062) |
| Temperature | cool |
| Nearest name | Denim (#3B638C) |
| Black text | 3.56:1 |
| White text | 5.88:1 |
Values
| HEX | #406983 |
| RGB | rgb(64, 105, 131) |
| HSL | hsl(203, 34%, 38%) |
| OKLCH | oklch(50.2% 0.062 237.6) |
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 #406983 | 5.88:1 | AA | Lc -84.6 | Fine for body text |
| Black text on #406983 | 3.56:1 | AA large text | Lc 24.7 | Dividers and decoration only |
| #406983 text on white | 5.88:1 | AA | Lc 79.4 | Fine for body text |
| #406983 text on black | 3.56:1 | AA large text | Lc -22.5 | 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
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E5EBEF
oklch(93.7% 0.008 236.6)
-
Step 200
200
#CFDBE3
oklch(88.5% 0.017 236.7)
-
Step 300
300
#AFC4D2
oklch(80.9% 0.03 237)
-
Step 400
400
#85A6BB
oklch(70.8% 0.048 236.3)
-
Step 500
500
#668FAA
oklch(63% 0.061 237.8)
-
Step 600
600
#4C7996
oklch(55.5% 0.067 237.9)
-
Step 700
700 (this color)
#406983
oklch(50.2% 0.062 237.6)
-
Step 800
800
#335368
oklch(42.7% 0.051 238.4)
-
Step 900
900
#2D4554
oklch(37.7% 0.039 236.7)
-
Step 950
950
#1B2831
oklch(26.9% 0.025 239.1)
#406983 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) | #5D6884 | 0.037 |
| Deuteranopia (no green cones) | #546183 | 0.032 |
| Tritanopia (no blue cones) | #1E7072 | 0.049 |
| Achromatopsia (no color) | #646464 | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #406983
#406983
oklch(50.2% 0.062 237.6)
- #7F5B40
#7F5B40
oklch(50.2% 0.062 57.6)
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 #406983, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim #3B638C ΔE 0.027
- Slate #516572 ΔE 0.031
- Metallic Blue #4F738E ΔE 0.038
- Sea Blue #047495 ΔE 0.045
- YInMn Blue #415A77 ΔE 0.045
- Muted Blue #3B719F ΔE 0.045
- Dusky Blue #475F94 ΔE 0.046
- Peacock Blue #016795 ΔE 0.048
Use #406983 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.