#3D475F
Closest named color: Dark Grey Blue (#29465B). oklch(39.9% 0.043 266.9), rgb(61, 71, 95).
Aa
White text reads best on this color (9.27:1).
About this color
#3D475F is a dark, muted blue. In OKLCH its lightness is 40%, its chroma 0.043 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.029 away. White text reads best on it, at 9.27:1.
| Hue family | Blues |
| Lightness | dark (40%) |
| Chroma | muted (0.043) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.26:1 |
| White text | 9.27:1 |
Values
| HEX | #3D475F |
| RGB | rgb(61, 71, 95) |
| HSL | hsl(222, 22%, 31%) |
| OKLCH | oklch(39.9% 0.043 266.9) |
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 #3D475F | 9.27:1 | AAA | Lc -95.7 | Preferred for body text |
| Black text on #3D475F | 2.26:1 | Fails | Lc 12.6 | Not readable |
| #3D475F text on white | 9.27:1 | AAA | Lc 91.4 | Preferred for body text |
| #3D475F text on black | 2.26:1 | Fails | Lc -11.0 | Not readable |
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 900.
-
Step 50
50
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E7EAF0
oklch(93.6% 0.009 264.5)
-
Step 200
200
#D4D9E5
oklch(88.5% 0.017 267.8)
-
Step 300
300
#B7C1D6
oklch(81% 0.032 265.3)
-
Step 400
400
#92A0C1
oklch(70.6% 0.051 267)
-
Step 500
500
#7789B2
oklch(63.1% 0.066 266.1)
-
Step 600
600
#60729E
oklch(55.5% 0.072 266.9)
-
Step 700
700
#506087
oklch(49.2% 0.066 266.9)
-
Step 800
800
#414E6E
oklch(42.7% 0.056 267)
-
Step 900
900 (this color)
#3D475F
oklch(39.9% 0.043 266.9)
-
Step 950
950
#202634
oklch(26.9% 0.028 266.5)
#3D475F 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) | #3F4960 | 0.007 |
| Deuteranopia (no green cones) | #3C465E | 0.004 |
| Tritanopia (no blue cones) | #334C4F | 0.039 |
| Achromatopsia (no color) | #474747 | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3D475F
#3D475F
oklch(39.9% 0.043 266.9)
- #51462C
#51462C
oklch(39.8% 0.043 87.5)
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 #3D475F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.029
- Charcoal #264653 ΔE 0.039
- Dark Slate Gray #2F4F4F ΔE 0.047
- Charcoal Grey #3C4142 ΔE 0.048
- Onyx #343A40 ΔE 0.062
- YInMn Blue #415A77 ΔE 0.063
- Dark Blue Grey #1F3B4D ΔE 0.065
- Deep Teal #00555A ΔE 0.065
Use #3D475F 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.