#3D475C
Closest named color: Dark Grey Blue (#29465B). oklch(39.8% 0.038 264.9), rgb(61, 71, 92).
Aa
White text reads best on this color (9.31:1).
About this color
#3D475C is a dark, muted blue. In OKLCH its lightness is 40%, its chroma 0.038 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.027 away. White text reads best on it, at 9.31:1.
| Hue family | Blues |
| Lightness | dark (40%) |
| Chroma | muted (0.038) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.25:1 |
| White text | 9.31:1 |
Values
| HEX | #3D475C |
| RGB | rgb(61, 71, 92) |
| HSL | hsl(221, 20%, 30%) |
| OKLCH | oklch(39.8% 0.038 264.9) |
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 #3D475C | 9.31:1 | AAA | Lc -95.8 | Preferred for body text |
| Black text on #3D475C | 2.25:1 | Fails | Lc 12.5 | Not readable |
| #3D475C text on white | 9.31:1 | AAA | Lc 91.5 | Preferred for body text |
| #3D475C text on black | 2.25:1 | Fails | Lc -10.9 | 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
#D4D9E4
oklch(88.5% 0.016 266.3)
-
Step 300
300
#B8C1D4
oklch(81% 0.029 265.4)
-
Step 400
400
#93A1BE
oklch(70.8% 0.045 264.9)
-
Step 500
500
#7889AE
oklch(63% 0.059 265.5)
-
Step 600
600
#617399
oklch(55.6% 0.063 264.8)
-
Step 700
700
#506083
oklch(49% 0.06 265.3)
-
Step 800
800
#424F6A
oklch(42.8% 0.048 264.5)
-
Step 900
900 (this color)
#3D475C
oklch(39.8% 0.038 264.9)
-
Step 950
950
#212632
oklch(26.9% 0.024 267.1)
#3D475C 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) | #40485D | 0.006 |
| Deuteranopia (no green cones) | #3D465C | 0.003 |
| Tritanopia (no blue cones) | #344B4E | 0.034 |
| Achromatopsia (no color) | #474747 | 0.038 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3D475C
#3D475C
oklch(39.8% 0.038 264.9)
- #51462F
#51462F
oklch(39.9% 0.039 85.1)
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 #3D475C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.027
- Charcoal #264653 ΔE 0.036
- Dark Slate Gray #2F4F4F ΔE 0.043
- Charcoal Grey #3C4142 ΔE 0.044
- Onyx #343A40 ΔE 0.059
- Dark Blue Grey #1F3B4D ΔE 0.063
- Deep Teal #00555A ΔE 0.063
- Dark Teal #014D4E ΔE 0.064
Use #3D475C 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.