#3C475F
Closest named color: Dark Grey Blue (#29465B). oklch(39.8% 0.043 265.4), rgb(60, 71, 95).
Aa
White text reads best on this color (9.29:1).
About this color
#3C475F is a dark, muted blue. In OKLCH its lightness is 40%, its chroma 0.043 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 9.29:1.
| Hue family | Blues |
| Lightness | dark (40%) |
| Chroma | muted (0.043) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.25:1 |
| White text | 9.29:1 |
Values
| HEX | #3C475F |
| RGB | rgb(60, 71, 95) |
| HSL | hsl(221, 23%, 30%) |
| OKLCH | oklch(39.8% 0.043 265.4) |
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 #3C475F | 9.29:1 | AAA | Lc -95.8 | Preferred for body text |
| Black text on #3C475F | 2.25:1 | Fails | Lc 12.5 | Not readable |
| #3C475F text on white | 9.29:1 | AAA | Lc 91.4 | Preferred for body text |
| #3C475F 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
#D3D9E5
oklch(88.4% 0.018 264.5)
-
Step 300
300
#B7C1D6
oklch(81% 0.032 265.3)
-
Step 400
400
#91A1C2
oklch(70.8% 0.052 264.7)
-
Step 500
500
#7689B2
oklch(63.1% 0.066 265.2)
-
Step 600
600
#5F739E
oklch(55.7% 0.071 264.9)
-
Step 700
700
#4E6087
oklch(49.1% 0.067 265)
-
Step 800
800
#404E6E
oklch(42.6% 0.056 265.9)
-
Step 900
900 (this color)
#3C475F
oklch(39.8% 0.043 265.4)
-
Step 950
950
#202634
oklch(26.9% 0.028 266.5)
#3C475F 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 | 0.008 |
| Deuteranopia (no green cones) | #3C465E | 0.003 |
| Tritanopia (no blue cones) | #324C4F | 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°).
- #3C475F
#3C475F
oklch(39.8% 0.043 265.4)
- #52462C
#52462C
oklch(39.9% 0.043 85.7)
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 #3C475F, 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 0.037
- Dark Slate Gray #2F4F4F ΔE 0.047
- Charcoal Grey #3C4142 ΔE 0.048
- Onyx #343A40 ΔE 0.062
- Dark Blue Grey #1F3B4D ΔE 0.063
- YInMn Blue #415A77 ΔE 0.064
- Deep Teal #00555A ΔE 0.064
Use #3C475F 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.